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GM Body Systems Application 1988-2004 - ZR

1. 1998 VEHICLE COVERAGE 1998 Buick Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SYSTEM LINK CONFIG Park Avenue C HVAC Class 2 OBD II C2 SIR SDM RCL2 Riviera G SIR SDM RCL2 UART OBD II C2 GM 16 Le Sabre H SIR SDM RCL2 UART OBD II C2 GM 16 Skylark N SIR SDM RCL2 UART OBD 11 2 GM 16 Century Regal Auto HVAC Class 2 OBD II C2 SIR SDM RCL2 UART OBD II C2 GM 16 GM Body Systems Application 1988 2004 Page 32 Vehicle Coverage 3 Vehicle Coverage 1998 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SESTEM LINK CONFIG Eldorado E SIR SDM RCL2 Class 2 OBD II C2 Deville K SIR SDM RCL2 Class 2 OBD II C2 1998 Chevrolet Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT p LINK CONFIG Camaro F SIR SDM RSD UART OBD II C2 GM 16 Cavalier J SIR SDM RSD UART OBD II C2 GM 16 Metro M SIR SDM I UART OBD II C2 GM 16 Malibu N SIR SDM RSD UART OBD II C2 GM 16 Prizm LSI S SIR Flash Code GM P Lumina SIR SDM RSD UART OBD 11 2 Monte Carlo GM 16 Corvette Y SIR SDM RSD UART OBD II C2 GM 16 1998 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SxS EEM LINK CONFIG Aurora G SIR SDM RSD UART OBD Il C2 GM 16 Eight Eight LSS H SIR SDM RSD UART OBD II C2 Regency GM 16 Achieva Cutlass N
2. BODYXIN svsm DATA ADAPTER Firebird F SIR E amp C UART GM Bonneville H SIR E amp C RAC UART OBD II C2 EOLM HVAC GM 16 Sunbird J SIR E amp C UART GM Grand Am N SIR E amp C UART GM Grand Prix SIR amp GM 1994 Saturn Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SEPTEM LINK CONFIG SC SL SW Z SIR UART GM 1994 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER Make MODEL 5TH DIGIT CONFIG Chevrolet All Models C K SIR E amp C UART GM GMC Chevrolet All Models L M SIR E amp C UART GM GMC Chevrolet All Models S T E amp C UART GM GMC Chevrolet All Models U E amp C UART GM Pontiac Oldsmobile GM Body Systems Application 1988 2004 Page 22 Vehicle Coverage 3 Vehicle Coverage 1995 VEHICLE COVERAGE 1995 Buick Passenger Cars 1995 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT SYS LINK CONFIG Century A SIR E amp C UART GM Roadmaster B SIR E amp C UART GM HVAC Park Avenue SIR E amp C UART OBD II C2 HVAC GM 16 Riviera G SIR E amp C RAC UART OBD 11 2 HVAC IPC GM 16 Le Sabre H SIR E amp C RAC UART OBD II C2 HVAC GM 16 Skylark N SIR E amp C UART GM Regal SIR E amp C UART GM won ZON sysm DATA ADAPTER Fleetwood D SIR E amp C CCM UART GM HVAC
3. Umm DATA ADAPTER Custom Cruiser SIR UART GM Ninety Eight C SIR E amp C RAC UART GM Touring Sedan DIC Toronado E SIR E amp C BCM UART GM Eighty Eight H E amp C UART GM Achieva N E amp C UART GM Cutlass N E amp C UART GM Cutlass Supreme amp UART GM 1991 Pontiac Passenger Cars HF CI DATA ADAPTER Firebird F SIR UART GM Bonneville H E amp C UART GM Sunbird J E amp C UART GM Grand Am N E amp C UART GM Grand Prix E amp C IPC UART GM 1991 Light Duty Trucks MPV BODY VIN DATA ADAPTER MAKE MODEL STH DIGIT PISEM LINK CONFIG Chevrolet All Models C K E amp C UART GM GMC GM Body Systems Application 1988 2004 Page 14 Vehicle Coverage 3 Vehicle Coverage 1992 VEHICLE COVERAGE 1992 Buick Passenger Cars mope EODYVIN svsrem enm Century A E amp C UART GM Roadmaster B SIR UART GM Electra C SIR E amp C RAC UART GM HVAC EOLM Reatta E E amp C BCM UART GM Riviera E SIR E amp C BCM UART GM Le Sabre H SIR E amp C RAC UART GM HVAC EOLM Skylark N E amp C UART GM Regal Ww E amp C UART GM 1992 Cadillac Passenger Cars mover BODY DATA ADAPTER Deville Fleetwood C SIR E amp C BCM UART GM Brougham D E amp C UART GM Eldorado E SIR E amp C IPC UART GM Seville K SIR E amp C IPC UART GM
4. ON displays when the BCM commands the front fog lamp relay coil to turn ON This allows the relay to power up the front fog lamps OFF displays when the BCM does not command the front fog lamp relay coil to turn ON This denies current to the front fog lamps and causes the front fog lamps to be kept OFF FRONT FOG LMP SW ON OFF The BCM uses the front fog lamp switch input in order to determine the status of the front fog lamp switch ON displays when you depress the front fog lamp switch OFF displays when you are not depressing the front fog lamp switch FRT DEFRST BUTTN STATES State of the Front Defrost button ON is pressed OFF is released FUEL ECONOMY KEYS AVERAGE KEY FUEL RESET KEY FUEL USED KEY 1990 INSTANT KEY 1991 96 RANGE KEY TIME SET KEY OFF ON NOT CYCLED CYCLED 1990 models The Fuel Economy keys are inputs to the BCM from the FDP The tester displays the state of each switch as ON when the switch is pressed and held or OFF when it is released GM Body Systems Application 1988 2004 Page 204 Parameters Listed Alphabetically B Data List Parameters e 1991 96 models The switch state is NOT CYCLED until the switch is pressed Once the switch has been pressed the state remains at CYCLED because the BCM remembers that the key has been pressed this ignition cycle FUEL ENABLE OFF ON This parameter indicates the state of the Pass Key Module If the state is OFF vehicl
5. BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT SES LINK CONFIG Fleetwood D SIR E amp C CCM UART OBD II C2 HVAC GM 16 Eldorado E RFA CCP IPC Class 2 OBD II C2 PZM IRC ACM MSM PHN SIR E amp C UART OBD II C2 GM 16 Deville Concours K RFA CCP IPC Class 2 OBD II C2 Seville PZM IRC ACM MSM PHN E amp C UART OBD II C2 GM 16 GM Body Systems Application 1988 2004 Page 26 Vehicle Coverage 3 Vehicle Coverage 1996 Chevrolet Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT At LINK CONFIG Caprice Classic Impala B SIR E amp C UART OBD 11 2 GM 16 Camaro F SIR E amp C UART OBD 11 2 GM 16 Cavalier J SIR E amp C IPC UART OBD II C2 GM 16 Beretta Corsica L SIR E amp C UART OBD 11 2 GM 16 Monte Carlo Lumina SIR E amp C UART OBD II C2 GM 16 Corvette Y SIR E amp C CCM UART OBD 11 2 LTPWS GM 16 1996 Geo Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT DOTEN LINK CONFIG Metro LSI M SIR UART OBD II C2 GM 16 Prizm LSI S SIR Flash Code GM P 1996 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODELE 4TH DIGIT TOTEM LINK CONFIG Cutlass Ciera A SIR UART OBD II C2 GM 16 98 Regency C SIR E amp C UART OBD II C2 HVAC GM 16 RFA Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 27 Vehicle Coverage 3 Vehicle Coverage 1996 Oldsm
6. PE di M 10 taa 12 1992 Kante LONE MEE cated add beaks aa 15 IUOS JODIE S DUEFREE de Scie nae tied Se Mee EAS 17 T994 IERI beh he debe ue ded 20 1995 Vehicle Coverage 55 44 244 Add d Red ARXRPARTEATAURERATENRENAAEAS AA EK HR 23 VERIO LONE E ud Cid ud iae qe 26 1997 Vehicle COVEF BE 224 24080d 245 4504 40 VERSED ERO SAPTE EERE ARRERA Rh 29 1999 PONTO COWIE eats a UPPER E qp ERE CM 32 IR Fee dede duin 35 ADD Pelicie CONROE de da 38 JUDI Ris COMERS nce igo cand cere eue 41 2002 Tehke 44 ZOE TO CONROE A ces Re wee Ae Ra de then a tea eRe 47 ADD DONNER ede desde bes i4 ei dre piede 50 RT ETE Le SU ee ee eee re eee ee ee ee ree 53 SETTING UP THE TESTER Iss dee cided UR ed da a de rete i 54 DEO 1 8L as voe baute QR a dd fud ye Seen Hue ud d qi 54 TOR LA 2h er RR ERR RA EUR due Jupe Bab AAO VER RR RR pid 55 Cm MERI ERI USENET OVEM EUN RERO D OLTRE 56 GM Body Systems Application 1988
7. The tester automatically outputs a sequence of messages to the Remote Control Equalizer head to exercise all segments of the equalizer display CASSETTE TAPE DECK MESSAGES AUDIO SOURCE TAPE RADIO Switch the amplifier s input between the Cassette Deck and the Radio Receiver PLAY FWD STOP Play cassette in direction 1 PLAY REV STOP Play cassette in direction 2 HIGH SPEED FWD STOP Fast forward the tape in direction 1 HIGH SPEED REV STOP Fast forward the tape in direction 2 PROGRAM SEEK FWD REV Go to the next selection on the tape in direction 1 or 2 EJECT XMT Eject the Cassette tape COMPACT DISK PLAYER MESSAGES AUDIO TONE ON OFF Turn audio tone generator on or off AUDIO SOURCE DISK RADIO Switch the amplifier s input between Cassette Deck and the Radio Receiver PLAY PLAY STOP Play or stop the compact disk SEEK SELECTION 1 5 Go to the first or fifth selection on the disk EJECT XMT Eject the compact disk HVAC CONTROL MESSAGES HVAC MODE INC DEC Sequence to the next or previous HVAC mode GM Body Systems Application 1988 2004 Page 252 E amp C Bus Control Messages B Data List Parameters E amp C FUNCTION MESSAGE DESCRIPTION HVAC MODE AUTO OFF Set the HVAC mode to the specified state LOWER DEFROST HVAC SET TEMP INC DEC Increase or decrease HVAC set temperature FAN SPEED INC DEC Increase or decrease HVAC fan speed
8. aw Ea tam 173 Master Cartridge Missing or Malfunctioning 6 173 GM Body Systems Application 1988 2004 TOC ii Wrong Display After Power is Applied hh er hn hn a RR d 174 Duis Not Being Received queas pen REA ERRARE RAE AERA 174 Iti rmilten ColmmminieuligNE d eb a dotado ado da FR 175 Data Not Received from IPC or SIR c cess odes SARS HED tti es 176 EEC 176 LEC Componenti desuper ux AEE PE OE REACH RUE KEEDA 177 HEC Compoents Messages TO he dis ae eee RE Ag M Cad rd 178 REPAIR SERVICE es etse te Rb bebe Le bea eed 178 Jo DATA LIST PARAMETERS prera aw DURER ARRA EIER ERG d AR 179 PARAMETERS LISTED ALPHABETICALLY 180 Parameters Numeric uh tx ded x d RENE HU EA CR BRE RA HR RODA 180 IESU DE can ven tn ohh sd vh dui d deed qid dda Sed dq Eua Med p 181 P fumilere FB 4 55 AKER AARORRE OR ERE RAS AAT ORES 187 JU RUOTE oe did ald Aled Ala hea each BGs du ra etn de 188 POPE IM RAE d dud NAA AREA 193 POE uua Sioa ded du He HR ee dad nese eee pud Ead Eua quM qu 202 ua EE NAR EE PEE ARR d 203 oc nd iad dan
9. GM Body Systems Application 1988 2004 Page 18 Vehicle Coverage 3 Vehicle Coverage 1993 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SYSTEM LINK CONFIG Cutlass A SIR UART GM Custom Cruiser B SIR E amp C UART GM Ninety Eight SIR E amp C DIC UART GM HVAC RAC Royale H SIR E amp C DIC UART GM RAC HVAC Cutlass Supreme amp GM Ninety Eight 1993 Pontiac Passenger Cars BODYXIN DATA ADAPTER Firebird F SIR E amp C UART GM Bonneville H SIR E amp C RAC UART GM HVAC Sunbird J E amp C UART GM Grand Prix amp GM 1993 Saturn Passenger Cars BODY VIN DATA ADAPTER 4TH DIGIT i LINK CONFIG SC SL SW 2 SIR UART GM GM Body Systems Application 1988 2004 Page 19 Vehicle Coverage 3 Vehicle Coverage 1993 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MARE MODEI STH DIGIT SOTEM LINK CONFIG Chevrolet All Models C K E amp C UART GM GMC Chevrolet Astro Van L M SIR UART GM GMC Safari Safari XT Oldsmobile Silhouette U SIR E amp C UART GM Pontiac Transport U SIR E amp C UART GM 1994 VEHICLE COVERAGE 1994 Buick Passenger Cars 1994 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT pue LINK CONFIG Century A SIR E amp C UART GM Roadmaster
10. E amp C IPC UART GM 1990 Light Duty Trucks MPV BODY VIN DATA ADAPTER MARE MODEN STH DIGIT PEDEM LINK CONFIG Chevrolet All Models C K E amp C UART GM GMC 1991 VEHICLE COVERAGE 1991 Buick Passenger Cars move BOPV DATA ADAPTER Roadmaster B SIR UART GM Electra C SIR E amp C RAC UART GM EOLM Reatta Riviera E SIR E amp C BCM UART GM Le Sabre H E amp C UART GM Skylark N E amp C UART GM Regal Ww E amp C IPC UART GM GM Body Systems Application 1988 2004 Page 12 Vehicle Coverage 3 Vehicle Coverage 1991 Cadillac Passenger Cars won BODVYIN avein DATA ADAPTER Deville Fleetwood C SIR E amp C BCM UART GM Brougham D E amp C UART GM Eldorado E SIR E amp C BCM UART GM Seville K SIR E amp C BCM UART GM Allante V SIR E amp C UART GM 1991 Chevrolet Passenger Cars move svsrem DATA ADAPTER Caprice B SIR UART GM Cavalier F SIR E amp C UART GM Corsica Beretta L SIR E amp C UART GM S Corvette Y SIR E amp C CCM UART GM LTPWS 1991 Geo Passenger Cars BODY VIN DATA ADAPTER MODEE 4TH DIGIT SYSTEM LINK CONFIG Metro Sprint M SIR UART GM Storm R SIR UART GM D GM Body Systems Application 1988 2004 Page 13 Vehicle Coverage 3 Vehicle Coverage 1991 Oldsmobile Passenger Cars
11. C Glossary and Abbreviations MXD N C N O NRM Numeric Keys 02 OAT OBD OBD II O D ODO On Board OHC OLF OLL Parameter PAS PCM PFI PGM PHN PK2 PKEY Mixed Door Maximum Normally Closed Normally Open Normal keys 0 1 9 which are used to enter numeric values such as trouble codes These keys double as function keys Oxygen or oxygen sensor Outside Air Temperature Sensor On Board Diagnostic On Board Diagnostics Phase II The California Air Resource Board CARB required that by 1996 all vehicles sold in California under 8500 GVWR contain a certain minimum on board diagnostic capability to diagnose emissions related failures of the engine control system These diagnostic requirements have been designated as OBD II with a goal of monitoring all of the emissions related components on board the vehicle for proper operation Overdrive Odometer Anything which is a permanent part of the vehicle Overhead Cam Oil Life Oil Life Lamp A piece of information which is displayed by the tester Pass Key Telltale Powertrain Control Module Port Fuel Injection Program Cellular Mobile Phone Pass Key 2 Starter Inhibit Pass Key PKL PM III P N POS POT Powermaste r M PRESS PSSR PRSSR PRK PRNDL PROM P S PSI PUR PWM PWR PZM QDM RA RAC RAD RAP R BLM RCV RCVR RECIRC REF REL REQ RES RF Parking Lamps Relay Powerm
12. This the RAP Retained Accessory Power calibration part number used in the BCM GM Body Systems Application 1988 2004 Page 229 Parameters Listed Alphabetically B Data List Parameters RAP RELAY STATES This parameter displays whether the Retained Accessory Power RAP relay is being commanded OFF or ON The RAP is controlled by the RAC CCM module and can only be tested with the ignition on RAP RELAY ON OFF The RAP relay output refers to the commanded state of the RAP relay coil ON displays when the BCM commands the RAP relay coil to energize The command allows the relay to power up the following components The radio The power windows The overhead console The sunroof with the ignition key removed or in the OFF position with all of the doors closed OFF displays when the BCM commands the RAP relay to turn OFF RAP RELAY FDBK STATES ON OFF The RAP feedback information refers to the operation of the retained accessory power RAP circuit ON displays whenever the BCM turns ON the RAP relay e OFF displays whenever the BCM turns OFF the RAP relay RAP SUFFIX AA ZZ This is the version of the RAP calibration number in the BCM RAP TIMER UNITS RANGE 0 1198 The module uses this feature to control the devices that attach to the retained accessory power RAP circuit This feature allows the operation of the radio sunroof power windows and overhead console for 20 minutes after the igni
13. 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 147 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1992 E amp C FUNCTION TESTS FOR MODEL YEAR 1992 E amp C SNAP RADIO CNTRL peak MONITOR RCVR LEAD EQUAL PHONE CD Hvac SPKR B PASSENGER VEHICLES NO Requires Pin J be connected tothe E amp C Bus This should be a temporary connection DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 148 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1993 E amp C FUNCTION TESTS FOR MODEL YEAR 1993 SNAP RADIO CNTRL MONITOR SHOT RCVR HEAD EQUAL TAPE ves HVAC PASSENGER VEHICLES hea Rares eS eae NO YES YES YES YES YES NO YES NO YES NO NO YES YES YES NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 149 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1994 E amp C FUNCTION TESTS FOR MODEL YEAR 1994 E amp C SNAP RADIO CNTRL pis MONITOR SHOT RCVR HEAD EQUA
14. AR RU CAR dh AWO RM Cad de e qe aa da E E 206 Framara UU dinbi t qus qe EM IQ e ETE IJ ORORS 210 PX DESI ord ete iced vespa Can we dup Edd ERU Fdo QUE 214 Parameters QM Liuiasa ARE RAE ERR ERE AES ERE EGER AGER E CR AUR 219 dut edd d quo dcr d dedi deii a dud 223 PUOI OLR Rad NR d S444 d PUPA READER ER RR RO IL 229 uas hg uhh dod vare Wad has edd eS eor edid bb Eat a s 236 Rog o Ir T 240 PAGO TUE oiasgdeudu s dean dau dard doa doe AR dd ed dad Abad ad dub Rog edd 245 E amp C BUS MONITOR MESSAGES wo e e nh res 248 E amp C BUS CONTROL MESSAGES eese metes Rar ded 251 C GLOSSARY AND 5 254 IL peor c E Index 262 GM Body Systems Application 1988 2004 TOC iii 1 GM BODY APPLICATION DESCRIPTION The GM Body Systems application is used to diagnose vehicle body electronic systems The GM Body Systems application allows you to monitor data and control body system actuators motors by communicating with the body system computers via the vehicle s data link connector DLC SUPPORTED BODY SYSTEMS The GM Body Systems applications program can perform diagnostics on the following systems connected to the Serial Data Link and Entertainment amp
15. BCM electronic control unit replacement DIM electronic control unit replacement SDM electronic control unit replacement DTC 1001 1155 1159 1160 Inflatable Restraint Sensing and Diagnostic Module Calibration Mis Match stored During every ignition cycle the BCM DIM and Power Control Module PCM send a keying message over the serial data line containing vehicle identification to the Sensing amp Diagnostic Module SDM The SDM receives these messages and compares them to information stored in memory The keying message from the BCM and DIM contains a partial vehicle identification number VIN The keying message from the PCM BCM and DIM must match the same information stored in the SDM or DTC S will be set The following chart shows the conditions for setting DTC B 1001 B1155 B1159 and B1160 DTC B1001 Configuration Error CONDITION S Incorrect keying messages stored B1155 Inflatable Restraint Sensing and Diagnostic Module Calibration Mis Match Incorrect keying messages sent by the BCM or PCM B1159 Inflatable Restraint Sensing and Diagnostic Module Calibration Mis Match BCM Keying Message does not match information stored in SDM B1160 Inflatable Restraint Sensing and SDM received an incomplete VIN message from the PCM Diagnostic Module Calibration Mis Match To reprogram the BCM ECU do the following 1 Turn ignition to the RUN position 2 Press to select Misc Test from th
16. Camaro F SIR SDM G2 Class 2 OBD II C2 Cavalier J SIR SDM G2 Class 2 OBD II C2 Malibu N SIR SDM G2 Class 2 OBD II C2 Prism S SIR SDM Flash Codes GM P Impala W SIR SDM GT Class 2 OBD II C2 Monte Carlo W SIR SDM GT Class 2 OBD II C2 Corvette Y SIR SDM G2 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 44 Vehicle Coverage 3 Vehicle Coverage 2002 Oldsmobile Passenger Cars Aem DATA aparten Alero SIR SDM G2 Class 2 OBD II C2 Aurora G SIR SDM GT Class 2 OBD II C2 Intrigue SIR SDM G2 G4 Class 2 OBD II C2 2002 Pontiac Passenger Cars MODEL graprarr SYSTEM Pk CONFIG Firebird F SIR SDM G2 Class 2 OBD II C2 Formula F SIR SDM G2 Class 2 OBD II C2 Bonneville H SIR SDM GT Class 2 OBD II C2 Sunfire J SIR SDM G2 Class 2 OBD II C2 Grand Am N SIR SDM G2 Class 2 OBD II C2 Grand Prix WwW SIR SDM G2 G4 Class 2 OBD II C2 2002 Saturn Passenger Cars BODY VIN DATA ADAPTER MODEE 4TH DIGIT LINK CONFIG L Series J SIR SDM G Class 2 OBD II C2 S Series 2 SIR SDM G2 G4 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 45 Vehicle Coverage 3 Vehicle Coverage 2002 Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Trucks Vans MPVs MODEL srapicrr SYSTEM
17. 7 GM CANADA GM Body Systems Application 1988 2004 Page 151 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1996 E amp C FUNCTION TESTS FOR MODEL YEAR 1996 E amp C MONIT SNAP RADIO CNTRL CD CONN DLC PASSENGER VEHICLES A EE EE A This vehicle requires that Pin of the ALDL connector be wired to Pin of the 9 pin connector located at the rear of the radio This vehicle requires that Pin of the ALDL connector be wired to Pin 1E of the 32 P in connector located at the rear of the radio 2001 The 2001Series is a new family of radios intro duced in the 1994 model year DIVISION 1CHEVROLET 2 PONTIAC 3 OLDSM OBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 152 System Test Modes 5 Selecting and Operating Test Modes E amp C TEST MODES Delco Electronics advanced entertainment systems are made up of a number of components which perform different functions For example the radio switches and displays are contained on one or more control heads while the radio receiver amplifier is another box in a remote location and the graphic equalizer might be located somewhere else The Entertainment and Comfort E amp C Bus provides a means of communication between all of these entertainment components and some of the up option climate control components C68 and CJ2 HVAC Information is shared between E amp C
18. CELLULAR TELEPHONE MESSAGES SET 987 xxxx XMT Set first 3 digits to 987 SET XXX 654x XMT Set the middle digits to 654 SET xxx xxx3 XMT Set the last digit of phone number to 3 GM Body Systems Application 1988 2004 Page 253 C GLOSSARY AND ABBREVIATIONS This appendix contains terms and abbreviations found in the General Motors body chassis and powertrain manuals 14L 1ST 2AR 2FP 21 2ND 2PT 328 3RD 4TH 4WAL ABS A C or AC ACL ACCEL ACM ACO ACT A D ADVICS Skipshift 1 4 Shift Light First Gear Secondary Air Injection Reaction Secondary Fuel Pump Secondary Injector Module Second Gear Secondary Port Throttle 3 2 Solenoid Third Gear Fourth Gear Four Wheel Anti lock Brake System Anti lock Brake System Air Conditioning Low A C Lamp Accelerometer or Acceleration Heater and A C Programmer AIR Control Actual Analog to Digital Manufacturer of ABS systems AFECU AIR ALDL ALS ALT AMB Analog Data Parameter ANLG ARMD A S ASR ASW ASY A T ATC AUTO AUT Bt Alternate Fuel Engine Control Unit Air Injection Reaction Assembly line Diagnostic Link In 1993 the name was changed to Data Link Connector Ambient Light Sensor Alternator Ambient A parameter which represents a quantity and is displayed as a value with appropriate units volts C etc Analog Armed AIR Solenoid Acceleration Slip Regulation Automatic Stab
19. Comfort Bus E amp C on page 143 Description Monitors transmissions on the E amp C bus Fl Component Identification See Mode F 1 Identify on page 157 Displays which components are connected to the E amp C bus Identifies E amp C bus faults F3 F4 Snapshot See Mode F3 Snapshot on page 159 Control Test See Mode F4 E amp C Control on page 162 Captures and stores E amp C messages Transmits E amp C messages on the bus F5 Speaker Test See Mode F5 Speaker Test on page 169 Routes the audio signal to user selected speakers GM Body Systems Application 1988 2004 Page 3 2 OPERATING PRECAUTIONS INTRODUCTION This chapter explains precautions that are very important when using Vetronix testers and application software with a vehicle Failure to observe these precautions could affect the operation of the tester the accuracy of data and tests and at times your safety Read all of this chapter before you operate the tester and application software cartridges Safeguards have been built into the tester to protect you the vehicle and the tester from any hazards Misuse or improper securing of the vehicle could lead to unsafe conditions PRECAUTIONS FOR ALL APPLICATIONS PROTECT AGAINST REVERSE POLARITY If power is applied to the tester and the Tech 1A or Tech 1 display remains CAUTION blank or the green LED on the MTS 3100 does not illuminate when turned 2
20. Comfort Bus Supplemental Inflatable Restraint SIR Body Computer Module BCM nstrument Panel Cluster IPC Engine Oil Life Monitor EOLM Remote Accessory Control RAC Driver Information Center DIC Heating Ventilation Air Conditioning HVAC Computer Control Module CCM Low Tire Pressure Warning System LTPWS Entertainment and Comfort E amp C Remote Function Actuator RFA Central Control Module CCP Platform Zone Module PZM Integrated Radio Chassis IRC Heater and A C Programmer ACM GM Body Systems Application 1988 2004 Page 1 Operating Modes 1 GM Body Application Description Memory Seat Module MSM Cellular Mobile Phone PHN e Cathode Ray Tube Controllers CRTC Electronic Climate Control Panel ECCP There are significant differences in the diagnostic procedures for testing each of the above listed body systems Be certain that you are following the correct operating procedures for the vehicle and body systems you are testing The Vehicle Application Charts list the body systems available for each vehicle See Vehicle Coverage on page 7 OPERATING MODES The following test modes are available for testing GM Body Systems with OBD SDL Test Modes E amp C Test Modes SDL Test Modes Key Name Description F0 Data List Displays diagnostic parameters See Mode F0 DATA LIST on page 92 Fl SDL Monitor Passively monitors da
21. For example you can set up the tester to WAIT for a message then press the radio s increase volume switch and verify that the tester detected the IVC VOLUME message on the E amp C bus When the tester is in the ZOLD mode with H being displayed in the lower right corner the tester saves the next message detected on the E amp C bus in a one message forward buffer 6 To see the message press key The following example demonstrates how you can use this forward buffer to verify proper operation of two E amp C components a Press to put the tester into the WAIT mode b Press the Increase Volume switch on the Radio Control Head The Radio Head should transmit the ncrease Volume message to the Radio Receiver box The tester should detect this message and display the message IVC VOLUME in the HOLD mode The Radio Receiver should respond by transmitting the Report Volume message to the Radio Head c Press and the tester displays the RPT VOLUME message which was captured in the forward buffer d Press to terminate the HOLD mode Using this procedure you can verify that the Increase Volume switch is working properly that the Radio Control Head is communicating properly on the E amp C bus and that the Radio Receiver Box is responding properly GM Body Systems Application 1988 2004 Page 154 System Test Modes 5 Selecting and Operating Test Modes See E amp C Bus Monitor Messages on page 248 of this manual for summ
22. Fuel Pump Control Front Wheel Drive Fixed Spark Gauges Dimming Generator 1 Terminal General FET Driver Governor Light Microcomputer type used in High Speed ECMs Ground potential low side of battery Governor Ground Grams per Second Gross Vehicle Weight Ratio Head Lamps Relay High Fan HI LO Beams Horn Relay Heat Heating Ventilation and Air Conditioning module Hydraulic Idle Air Control Integrated Chassis Controller used on Cadillac E K bodies Identification Interface Ignition Idle Load Compensator Increase or Increment Incandescent Indicator GM Body Systems Application 1988 2004 Page 257 C Glossary and Abbreviations INFL INGST INIT INJ Intermittent Testing INT Io IPC IRC ISC ITV KAM Key Tag KPa LB6 L BLM LD2 LED LEV LF LFN L INT LMP L O2 LOC LR LST LT or LITE LTPWS LV8 Inflatable Ingestion Initialization Injector Testing which is performed to isolate problems that come and go Interior Intake Integrator Input Output Instrument Panel Cluster Integrated Radio Chassis Idle Speed Control Intake Tuning Valve Keep Alive Memory Keychain sized auditory signal generator to open doors and trunk on C Body cars with Level II RAC Kilopascals a unit of pressure Kilometers per Hour Engine designation for the 2 8L PFI engine used in GM10 vehicles Left Block Learn Engine designation for the 2 3L PFI engine used in
23. NOTE EB without a cartridge installed or with a cartridge other than the GM Body Once EOLM data has been transferred to the tester using the tester Systems Cartridge invalidates the EOLM data c Install a new EOLM ECU then press G TRANSFER OIL LIFE DATA to begin the transfer process If the old EOLM ECU denies access to the old data by the tester see the vehicle service manual YES UPDATES NO OIL TRANSFER OIL DATA TO DATA PRESENT REVS XXXX MILEAGE YYYY YES CONTINUE FIGURE 5 13 Updates and Oil Transfer screens d Press to update oil data The tester informs you if the engine oil life data transfer failed A good transfer displays one of the messages below GM Body Systems Application 1988 2004 Page 126 System Test Modes 5 Selecting and Operating Test Modes GOOD TRANSFER 20 OIL LIFE REMAINING EXIT EXIT You can check the validity of the transfer data and the data put into the new EOLM by comparing oil revolutions in the EOLM Data List function to the REVS XXXX value in the Oil Life Transfer tests 6 The and keys enable you to reset the data to 20 or 100 of engine oil life remaining After you press or the tester asks you to press the key if you want the oil life remaining to be reset to the value displayed on the screen Press to accept the new data or 1 to return to the Select Tests menu The tester informs you if the reset was successful 7 W
24. SDM G2 Class 2 OBD Il C2 Grand Prix W SIR SDM D Class 2 OBD II C2 2003 Saturn Passenger Cars BODY VIN DATA ADAPTER MOREY 4TH DIGIT SOTEM LINK CONFIG lon A SIR SDM D Class 2 OBD II C2 L Series J SIR SDM G Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 48 Vehicle Coverage 3 Vehicle Coverage 2003 Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL YSTEM 5TH DIGIT SS LINK CONFIG Aztek Rendezvous A B SIR SDM D Class 2 OBD II C2 Avalanche C K SIR SDM D Class 2 OBD 11 2 Escalade EXT BCM Sierra Silverado Suburban Tahoe Yukon Express Savana G H SIR SDM GF Class 2 OBD 11 2 Astro Safari L M SIR SDM G2 Class 2 OBD II C2 BCM S 10 Blazer S T SIR SDM G2 Class 2 OBD II C2 Sonoma Jimmy BCM Bravada Envoy S T SIR SDM GT Class 2 OBD II C2 Trailblazer BCM Venture Silhouette U V X SIR SDM D Class 2 OBD II C2 Montana 2003 Hummer BODY VIN DATA ADAPTER STH DIGIT SEDEM LINK CONFIG Hummer N SIR SDM GF Class 2 OBD II C2 BCM 2003 Chevrolet GMC Medium Duty Trucks BODY VIN DATA ADAPTER SERIES 5TH DIGIT SYSTEM LINK CONFIG D C Series SIR Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 49 Vehicle Coverage 3 Vehicle Coverage 2004 VEHICLE COVERAGE 2004 Bui
25. Temperature Teves Mark IV ABS system contained in some GM vehicles Throttle Kicker Timing and Ignition rate Control System Tire Inflation Module Temperature Tuned Port Injection Twilight Park Lamps Throttle Position Sensor GM Body Systems Application 1988 2004 Page 260 C Glossary and Abbreviations TQUE TRM Trouble Codes TST TT or T T UART UNLCK VATS VCC VCM VES VF VFD VIM VIN VOL VS VSS WHL WOT WS or W S WSS WST ZP Torque Terminal Same as Diagnostic Codes Set by a system ECU to indicate the occurrence of abnormal conditions Test Telltales Telltale Lamp Warning indicators on the instrument panel Universal Asynchronous Receiver Transmitter Unlock Volts Vacuum Vehicle Anti Theft System Viscous Converter Clutch Vehicle Control Module Variable Effort Steering Vacuum Fluorescent Used in many of the displays Vacuum Fluorescent Dimming Vehicle Interface Module An in line interface that expands tester functionality Vehicle Identification Number Vent Volume Vacuum Solenoid Vehicle Speed Sensor Wheel Wide Open Throttle Windshield Wheel Speed Sensor Wastegate Zero Pressure GM Body Systems Application 1988 2004 Page 261 A ACM tests 110 Adapter selecting correct 64 B BCM ECU reprogramming 140 BCM tests running 112 Body Adapters required for use with software 61 C Captured data
26. The module uses this timer to protect the battery against inadvertent battery rundown caused by devices that are attach to the courtesy lamp circuit If the following lights remain ON the BCM will turn the lights OFF after 20 minutes The dome courtesy lamp The vanity lamp The overhead reading lamp The underhood or the glove box lamp The lights are turned OFF by the Inadvertent power relay The number of seconds displayed refers to the amount of time left before the BCM will turn the relay OFF INCANDESCENT DIMMING UNITS RANGE The tester displays the percentage of full intensity of the incandescent light used in the instrument panel INCANDESCENT PWM 0 to 100 This is a BCM lighting level command to the IPC from the dimming pot and twilight photo cell A high percent indicates a bright command and a low percent indicates a dim command The instrument panel lamps are controlled by the BCM with a Pulse Width Modulated voltage signal INSIDE AIR UNITS RANGE DEGREES C 40 to 102 1998 2001 S T Truck 40 to 60 2000 2002 C K Truck DEGREESF 40 to 215 1998 2001 S T Truck 40 to 140 2000 2002 C K Truck Output value of the inside air temperature sensor inside the vehicle cab INSIDE TMP SENS VOLTS 0 to 5 Value of the inside air temperature sensor signal GM Body Systems Application 1988 2004 Page 212 Parameters Listed Alphabetically B Data List Parameters INT L
27. The tester displays ON when the drive is attempting to move the Air Mix Door MIX DOOR MAX COUNTS 0 to 255 The value of the maximum position following a calibration procedure MIX DOOR MIN COUNTS 0 to 255 The value of the minimum position following a calibration procedure MIX DR MIN POS COUNTS 0 to 255 The value of the Mix Door GM Body Systems Application 1988 2004 Page 219 Parameters Listed Alphabetically B Data List Parameters MIX MOTOR STATES When left and right hand air temperature motors actuators are working correctly the state should be normal MODE DOOR ACTUAL COUNTS 0 to 255 The position of the mode door as indicated by the sensor Higher values indicate the door is towards its maximum limit lower values indicate the door is near its minimum limit MODE DOOR CMND COUNTS 0 to 255 The desired position of the mode door Higher values indicate the door is towards its maximum limit lower values indicate the door is near its minimum limit MODE DOOR MAX UNITS RANGE Maximum travel range of the Mode Door when recalibrated MODE DOOR MIN COUNTS 0 to 255 Minimum travel range of the Mode Door when recalibrated MODE DOWN BUTTON OFF ON State of the Mode Down button ON is pressed OFF is released MODE UP BUTTON STATES State of the Mode Up button ON is pressed OFF is released MODULE P N 16XXXXXX This is the part number assigned to the BCM currently bein
28. keys to sequence through the functions Generally there are two messages which can be transmitted for each function For example if you select VOLUME you can send the increase volume message by pressing Or you can press to send the decrease volume message Line 4 tells you what amp B and do Holding or down causes the message to be transmitted repetitively A T is displayed in the lower right corner for 1 10 second every time a message is transmitted If a transmission error occurs an is displayed Submode F0 Radio Receiver Test For many of the functions the tester monitors the response message coming from the Radio Receiver and displays the data For example the tester displays the volume reported by the receiver when you are controlling the volume GM Body Systems Application 1988 2004 Page 162 System Test Modes 5 Selecting and Operating Test Modes SELECT MODE Y F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F0 RECEIVER F1 CONTROL HEAD F2 REMOTE SIGNAL RADIO RCVR TEST SELECT FUNCTION RADIO RECEIVER RADIO RCVR TEST SELECT FUNCTION VOLUME y DEC RADIO RCVR TEST SELECT FUNCTION FADE A FRONT Y REAR MORE RADIO RECEIVER TESTS FIGURE 5 27 Example of E amp C Radio Receiver Control Test ACTIVE KEYS o Select component or sequence through functions Transmit message EXIT Return to SELECT E amp C TEST GM Body Systems Application 1988 2004
29. AWAL ALDL Cable 02001578 Figure 4 12 Tech 1 14 12 Pin VIM Adapter 02001198 OBD II VIM 02001808 16 24 Pin VIM DLC Adapter Cable 02001744 1994 2001 Systems GM 16 MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 13 with a 16 Pin DLC 16 12 Pin Non OBD II Adapter 02001575 UART data Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 14 16 12 Pin Non OBD II Adapter 02001575 Tech 1 16 12 Pin Non OBD II DCL Adapter 02001575 Figure 4 15 1990 1991 SIR GM S MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 16 Systems GM 12 12 Pin SIR Dual UART Adapter 02001039 1990 Y Body 1991 L Body Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 17 GM 12 12 Pin SIR Dual UART Adapter 02001039 Tech 1 Tech 1 GM RWAL 4WAL ALDL Cable 02001578 Figure 4 18 GM 12 12 Pin SIR Dual UART Adapter 02001039 1990 1993 SIR GM P MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 19 System for Geo Geo Prizm SIR Adapter 02001190 Prizm 1990 93 S Body Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 20 Geo Prizm SIR Adapter 02001190 Tech 12 Tech 1 GM RWAL 4WAL ALDL Cable 02001578 Figure 4 21 Geo Prizm SIR Adapter 02001190 1990 1993 SIR GM D MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 22 Systems for Geo Isuzu Delco 3 Pin ALDL Adapter 02001032 Storm 1990 93 R Body Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 23 Isuzu Delco 3 Pin ALDL Adapter 02001032 Tech 12 Tech 1 GM RWAL 4WAL ALDL Cable 02001578 Figure 4 24 Isuzu Delco 3 Pin ALDL Adapter 02001032 a Tech 1
30. Body Systems title screen is displayed GENERAL MOTORS BODY SYSTEMS 1988 2004 Vx x ENTER If the display is correct turn the ignition ON and you are ready to proceed with selecting the vehicle model year Continue to Selecting the Model Year on page 58 AR If the display reads MASTER CARTRIDGE IS MISSING OR MALFUNCTIONING This means that the tester is receiving power but the cartridge is not making good contact or else the wrong DLC cable and or adapter are installed If this happens do the following Remove and reinsert the cartridge making sure that the cartridge is properly seated Verify that the correct DLC cable is installed See Setting Up the Tester to determine 1f the vehicle you are testing requires a DLC cable adapter If an adapter is required verify that the correct one is installed 5 If the display is blank the tester is not receiving power In this case perform the following checks Disconnect and reconnect the tester DC power plug at the cigarette lighter socket GM Body Systems Application 1988 2004 Page 57 Perform Vehicle and or System Selection 4 Getting Started Make sure that both the tester DC power plug and cigarette lighter socket have good clean contacts Verify that 12V power is available at the center contact of the cigarette lighter socket and that the outside contact of the lighter socket is grounded Check the vehicle s cigarette lighter
31. CONFIG Buick Rendezvous A B SIR SDM DG Class 2 OBD II C2 Pontiac Aztek A B SIR SDM DG Class 2 OBD II C2 Chevrolet Avalanche C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 Chevrolet Silverado C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 Chevrolet Suburban C K Auto HVAC BCM Class 2 OBD 11 2 SIR SDM G2 Chevrolet Tahoe C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 GMC Sierra C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 GMC Yukon C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 Cadillac Escalade C K Auto HVAC BCM Class 2 OBD II C2 SIR SDM G2 Chevrolet Express G H SIR SDM G2 Class 2 OBD 11 2 GMC Savana G H SIR SDM G2 Class 2 OBD 11 2 Chevrolet Astro M L SIR SDM G2 Class 2 OBD II C2 BCM GMC Safari M L SIR SDM G2 Class 2 OBD II C2 BCM Chevrolet S 10 S T SIR SDM G2 Class 2 OBD II C2 Pickup BCM Chevrolet Blazer S T SIR SDM G2 Class 2 OBD II C2 BCM Oldsmobile Bravada S T SIR SDM GT Class 2 OBD II C2 BCM GMC Envoy S T SIR SDM GT Class 2 OBD II C2 BCM GM Body Systems Application 1988 2004 Page 46 Vehicle Coverage 3 Vehicle Coverage 2002 Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Trucks Vans MPVs Continued BODY VIN DATA ADAPTER MODEL YSTEM 5TH DIGIT XS LINK CONFIG GMC Sonoma S T SIR SDM G2 Class 2 OBD II C2 BCM Chevrolet Trailblazer S T SIR SDM GT Class 2 OBD II C2 BCM GMC Jimmy S T SIR SDM G2 Class 2 OBD II C
32. DATA ADAPTER MODERE 4TH DIGIT SIRDS TEN LINK CONFIG Eldorado E SIR SDM RCL2 Class 2 OBD II C2 Deville Seville K SIR SDM G6 Class 2 OBD II C2 2001 Chevrolet Passenger Cars wong 20074 smsysrem DATA ADAFTER Camaro F SIR SDM G2 3 Class 2 OBD 11 2 Cavalier J SIR SDM G2 8 Class 2 OBD II C2 Metro M SIR SDM I UART OBD 11 2 GM 16 Malibu N SIR SDM G2 4 Class 2 OBD II C2 Prizm S SIR SDM Flash Codes GM P Lumina W SIR SDM RSD UART OBD II C2 GM 16 Impala Monte Carlo W SIR SDM G Class 2 OBD II C2 Corvette Y SIR SDM G2 3 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 41 Vehicle Coverage 3 Vehicle Coverage 2001 Oldsmobile Passenger Cars move 20054 simsusrem DATA ADAPTER Aurora G SIR SDM G6 Class 2 OBD II C2 Alero N SIR SDM G2 Class 2 OBD II C2 Intrigue SIR SDM G2 Class 2 OBD II C2 2001 Pontiac Passenger Cars 2001 Saturn Passenger Cars MODEL SIRSYSTEM TINK CONFIG Firebird Formula F SIR SDM G2 3 Class 2 OBD II C2 Sunfire J SIR SDM G2 8 Class 2 OBD II C2 Grand Am N SIR SDM G2 4 Class 2 OBD II C2 Grand Prix W SIR SDM G2 3 Class 2 OBD Il C2 BODY VIN DATA ADAPTER MODEL 4TH DIGIT LINK CONFIG LS J SIR SDM G2 Class 2 OBD II C2 SL SC SW Z SIR SDM G2 Class 2 OBD II C2 GM Body S
33. DTCs History DTCs Clear DTCs Displays Diagnostic Trouble Codes recorded by the ECU The ability to Clear DTC information is also found in this mode F3 Snapshot Gives you the ability to capture Data List information for later analysis Trigger point and trigger type are selectable by the user F4 OBD Controls F1 Reprogram BCM Provides the ability to reset memory values or write to vehicle memory An example is Synchronizing the SDM with other modules on the Class 2 bus F8 Information F3 F4 ECU Info Vehicle Info Displays helpful information about the vehicle or systems under test This can consist of Calibration ID Module ID or VIN Vehicle Identification Number System Test Modes F0 Flash Codes Allows you to flash the system DTCs on the dashboard indicator lamp F0 E amp C Monitor Allows you to monitor transmission of data on the E amp C bus to verify messages are transmitted in response to driver inputs Fl Clear Codes Allows you to clear any system DTCs that may be present Fl SDL Monitor Allows you to passively monitor data which is being transmitted between the vehicle s components during normal operation Reprogramming Allows you to reprogram various devices on the Class 2 communication bus following component replacement Fl Identify E amp C Components Identifies which E amp C components are cur
34. E amp C Snapshot GM Body Systems Application 1988 2004 Page 161 System Test Modes 5 Selecting and Operating Test Modes Mode F4 E amp C Control The E amp C CONTROL test allows you to send messages to any of the E amp C components and control the operation of that component The tester becomes another control head on the E amp C bus in the same way that the Radio Head is a control head The E amp C CONTROL test can help you to isolate a fault to either the control head or the component being controlled For example if the Radio Head cannot control the radio s Seek function but the tester can the problem is probably in the Radio Head or the Seek switch To run the E amp C Control test do the following 1 Select the E amp C TESTS by pressing 2 Press to select the E amp C CONTROL test 3 Select the component you wish to control Components available for testing vary according to the year and model of the vehicle being tested F0 RECEIVER see Submode F0 Radio Receiver Test FI CONTROL HEAD see Submode F1 Control Head Test F2 REMOTE EQUAL see Submode F2 Remote Equalizer Test F3 CASSETTE TAPE see Submode F3 Cassette Tape Tests F4 COMPACT DISC see Submode F4 Compact Disc Tests F5 HVAC see Submode F5 HVAC Tests F6 CELL PHONE see Submode F6 Cellular Phone Tests Once you have selected the E amp C component the tester displays the first function which you can control 4 Use the and
35. E amp C bus monitor messages which can be decoded by the scan tool Some messages contain data which is displayed on line 4 of the tester e g RPT FREQUENCY For these messages this table shows the format for the data display and describes the meaning of the data Descriptor Message Description SET VOLUME VOL vv vv 0 minimum volume vv 64 maximum volume RPT VOLUME Report current volume setting VOL wv 0 64 INC VOLUME Increase volume by 1 step DEC VOLUME Decrease volume by 1 step AUDIO MUTE Turn off amplifier s audio output AUDIO UNMUTE Turn on amplifier s audio output INC FREQUENCY Increment frequency to next channel DEC FREQUENCY Decrement frequency to next channel SET FREQUENCY Set receiver band and channel number See format for RPT FREQUENCY RPT FREQUENCY Report current receiver band and frequency of channel FM xxx x for U S FM or AM xxxx for U S AM 9AM for EUROPE or XXXX AN FM EFM for ASIAN Or XXX XX FM WXCHx for WEATH or ER SEEK UP Increase frequency until station is found SEEK DOWN Decrease frequency until station is found SCAN REQUEST Sent from the Steering Wheel Control Head to the Radio Control Head to initiate the Scan function STOP SCAN Sent from the Steering Wheel Control Head to the Radio Control Head to terminate the Scan function GO TO AM PRESET n Tune the radio receiver to the AM station defined by AM Preset n GM Body Systems Ap
36. ECCP to BCM1 ECCP to BCM BCM to ECCP CRTC to BCM BCM to HUAC BCM to CTRC BCM to CCDIC When a link has been selected Waiting for Data is displayed then the first pair of data parameters is displayed Press the or key to scroll through all of the parameters available for the vehicle DLC message you selected In this case you should e Verify that the ignition is in the ON position Exit and reenter selected monitor mode Check the connection to the DLC If communications messages become intermittent or absent the parameters start flashing on the display Verify parameters are still updating Communication may be intermittent but still useful GM Body Systems Application 1988 2004 Page 95 Common Test Modes 5 Selecting and Operating Test Modes SELECT MODE Y F0 DATA LIST F1 SDL MONITOR F2 TROUBLE CODE DISPLAY TYPE F0 BASE 88 89 OLDS F1 UP WITH CRT E CAR DISPLAY TYPE F0 ANLG CLUSTER 90 93 OLDS F1 CRT amp ANALOG E CAR CLUSTER F2 DIG CLUSTER SELECT SDL MODE MENU F0 ECM TO BCM F1 BCM TO ECM F2 BCM TO IPC F2 BCM 1 TO IPC F2 IPC TO BCM F3 BCM TO IPC F3 BCM 2 TO IPC F3 ECCP TO BCM F4 ECCP TO BCM F4 BCM TO EECP F4 CRTC TO BCM F4 CCDIC TO BCM F5 BCM TO HVAC F5 BCM TO ECCP F5 BCM TO CRTC F5 BCM TO CCDIC FIGURE 5 2 SDL Monitor ACTIVE KEYS Scroll through displayed data parameters Scroll the menu
37. GM10 vehicles Light Emitting Diode Level Left Front Low Fan Left Fuel Integrator Courtesy Lamp Left Oxygen Sensor Voltage Low Coolant Light Left Rear Loop Status Light Low Tire Pressure Warning System Engine Load LVL MAF Magna Steer MANI MAP MAT M C MD MET MFI MIL MIN MIN T Misc Test MON MPH ms MSG MSM MSVA MT MTL MTR mV Oil Level T T Mass Air Flow A speed dependent steering system that incorporates its controller into the EBCM EBTCM Magna Steer controls the amount of effort needed to provide a road feel using an electromagnet and rotor at the input of the steering gear Magna Steer is speed dependent and uses inputs received from the ABS brake controller Manifold Manifold Absolute Pressure Manifold Air Pressure Manifold Air Temperature Mixture Control Modulated Displacement Metric Multi port Fuel Injection Malfunction Indicator Lamp Minimum Chevrolet Minimum Function T Body car Miscellaneous Test Monitor Miles per Hour Milliseconds 1000ths of a second Message Memory Seat Module 1996 Cadillac models Magna Steer Vehicle Assist an electronic steering control system that varies the power steering assist according to vehicle speed otherwise knows as Speed Dependent Steering System Manual Transmission Min T Lean Min T Rich Millivolts 1000ths of a volt GM Body Systems Application 1988 2004 Page 258
38. High parameter indicates the voltage measured by the DERM at the high side power side of the driver inflator module DRIVER INFO SW This SDL monitor parameter states which driver information switch is pressed at the CCDIC Note The time temp key is not a monitored switch therefore when this key is pressed a message is not sent to the BCM or displayed on tester This does not indicate a problem DRIVER RESISTANCE OHMS 0 0 to 25 5 The SDM performs the resistance measurement test once each ignition cycle and it verifies that the Ignition 1 and the 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the driver deployment loop measures the voltage drop that occurs across the deployment loop and converts the measured voltage value to a driver deployment loop resistance value GM Body Systems Application 1988 2004 Page 198 Parameters Listed Alphabetically B Data List Parameters DRIVER SBELT MON STATES The Driver Seatbelt Monitor parameter indicates whether the status of the driver seat belt is stored as crash data during a deployment event DRIVER SEAT BELT BUCKLED UNBUCKLED The SDM determines this by looking at whether the driver seat belt is buckled or unbuckled DRIVER SEAT BELT A D VOLTS 0 to 12 The scan tool displays 0 or 12 volts Driver s seat belt buckled 12VOLTS Driver s seat belt unbuckled 0 VOLTS DRIVER SEAT BELT STATUS BUCKLED UNBUCKLED Th
39. Intrigue W SIR SDM RSD UART OBD II C2 GM 16 GM Body Systems Application 1988 2004 Page 36 Vehicle Coverage 3 Vehicle Coverage 1999 Pontiac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT LINK CONFIG Firebird Trans Am F SIR SDM RSD UART OBD II C2 GM 16 Bonneville H SIR SDM RSD UART OBD II C2 GM 16 Sunfire J SIR SDM RSD UART OBD II C2 GM 16 Grand Am N SIR SDM RSD UART OBD II C2 GM 16 Grand Prix W SIR SDM G2 UART OBD II C2 GM 16 1999 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL IR SYSTEM 9 5TH DIGIT as LINK CONFIG All Models C K SIR SDM RSD UART OBD 11 2 GM 16 Chevrolet GMC C K SIR SDM RS UART OBD 11 2 Redesign GM 16 Express Savana G SIR SDM RSD UART OBD 11 2 GM 16 Astro Safari M L SIR SDM RSD UART OBD 11 2 GM 16 Chevrolet S T SUV SIR SDM RSD UART OBD 11 2 Oldsmobile GMC GM 16 Chevrolet GMC S T SIR SDM RS UART OBD 11 2 GM 16 Envoy Utility Blazer S T Auto HVAC Class 2 OBD II C2 BCM All Models U X SIR SDM U UART OBD 11 2 GM 16 GM Body Systems Application 1988 2004 Page 37 Vehicle Coverage 3 Vehicle Coverage 2000 VEHICLE COVERAGE 2000 Buick Passenger Cars MODEL graprarr SYSTEM CONFIG Park Avenue C HVAC Class 2 OBD II C2 SIR SDM RCL2 Le Sabre H SIR SDM G4 Cla
40. J1962 DLC OBD II provide power to the tester therefore the 12 volt power cable is not needed for supplying power to the MTS 3100 16 Pin Data Link Connector DLC Along with the OBD II requirement came the definition of a new 16 pin data link connector DLC General Motors began using this data link connector DLC on its vehicles in 1994 even for those vehicles that were not OBD II compliant A series of new 16 pin DLC adapter s were developed to connect all GM vehicles whether they are OBD II compliant or not to the Tech 1 1A and MTS 3100 testers NOTE In all cases of determining which adapter or adapter combination to use EH please reference the Body Adapter Usage Table on page 65 NOTE To purchase any Vetronix items mentioned in this manual please call EB 800 321 4VTX USA GM Body Systems Application 1988 2004 Page 63 Adapter and Adapter Cable Configurations 4 Getting Started Selecting the Correct Adapter First look up the vehicle you are testing in the Vehicle Application Tables in Chapter 3 You need to know the VIN number that identifies the body of the vehicle you are working on The 4th digit of the VIN identifies the body type for passenger cars and the 5th digit for light trucks refer to Vehicle Identification Number VIN on page 87 Once you have located the vehicle in the Vehicle Application Tables look in the column marked Adapter Config and note the listing see below 1
41. LAMP SW STATES The BCM uses the dome lamp switch input in determining if the dome lamp switch thumb wheel is requesting the interior lights to turn ON ON displays if the dome lamp switch requests the module to turn the interior lights ON full up position past the detent OFF displays when the dome lamp switch does not request the BCM to turn the interior lights ON not in the full up position past the detent DOME OVERRIDE SW ON OFF The module uses the dome override switch input from the dome override switch in order to allow or to defeat the interior lighting when the door opens The dome override switch is located near the headlamp switch ON displays if the dome override switch is overriding the interior lighting OFF displays if the dome override switch allows the interior lights to turn ON when any door opens or if the left glass opens if equipped DOOR OPEN CLOSED The Door parameter indicates the state of the door jamb input to the RAC module Opening any one of the doors changes the status to OPEN GM Body Systems Application 1988 2004 Page 195 Parameters Listed Alphabetically B Data List Parameters DOOR HANDLE CCM DOOR HANDLE SW BCM OFF ON RELEASED DEPRESSED The tester displays ON when either front outside door handle is pressed Door handles are a BCM CCM wake up input These are momentary contact switches The tester SNAPSHOT mode can help test these switches for pro
42. Listed Alphabetically B Data List Parameters LIGHTING SUFFIX AA ZZ This is the version of the lighting calibration number in the module LOCK REQUEST YES NO If the RAC module has seen a request to lock the doors YES the remote transmitter s lock button requests the RAC module to lock the doors On Level 3 RAC systems the door lock request can also be seen by the RAC module from the power lock switches located on the front doors of the vehicle LOW BEAM RELAY STATES The headlamp power relay output refers to the commanded state of the headlamp power relay coil ON displays when the BCM commands the headlamp power relay coil to turn ON OFF displays when the BCM does not command the headlamp power relay coil to turn ON The BCM then does not allow current to the headlamp power relay coil The headlamps remain OFF LOW FAN REQUEST NO YES The BCM may request engine coolant fan operation when the A C system is operating LOW FREON PSSR YES NO This is a discrete input to the BCM for low refrigerant warning The tester displays YES if the refrigerant is low LOW WASHER INPUT STATES The tester displays ON when the windshield washer fluid level is low and OFF when the level is OK LOWER OUTLET UNITS RANGE DEGREES C 40 to 102 1998 2001 S T Truck 2000 2002 C K Truck DEGREES F 40 to 215 1998 2001 S T Truck 2000 2002 C K Truck Output value of the lower heater outlet temperature se
43. Loss of Serial Data VIN Not Received stored IPC TO SDM Circuit Operation During every ignition cycle the Instrument Panel Cluster IPC sends a keying message over the serial data line containing vehicle identification to the Sensing amp Diagnostic Module SDM The SDM receives this message and compares it to the information stored in memory The keying message from the IPC contains a partial vehicle identification number VIN GM Body Systems Application 1988 2004 Page 141 System Test Modes 5 Selecting and Operating Test Modes The keying message from the IPC must match the same information stored in the SDM or DTC S will be set The following chart shows the conditions for setting DTC B1001 B1155 B1159 and B1160 DTC B1001 Configuration Error CONDITION S Incorrect keying messages stored B1155 SDM Calibration Mismatch Incorrect keying messages sent by the BCM or PCM Received B1159 Loss of Serial Data Key Not IPC keying Message does not match information stored in SDM Received B1160 Loss Of Serial Data VIN Not IPC keying Message does not match information stored in SDM To reprogram the IPC ECU do the following 1 Turn ignition to the RUN position 2 Press to select Misc Test from the Select Mode menu 3 Press to select Reprogram IPC ECU 4 Press to begin reprogramming The software communicates with the SDM module and reads the current VIN informa
44. OBD II C2 GM 16 Bonneville H SIR E amp C RAC UART GM HVAC Sunfire J SIR E amp C IPC UART OBD 11 2 GM 16 Grand Am N SIR E amp C UART GM Grand Prix W SIR E amp C UART GM 1995 Saturn Passenger Cars BODY VIN DATA ADAPTER MODELE 4TH DIGIT SOTEM LINK CONFIG SC SL SW Z SIR UART OBD Il C2 GM 16 1995 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL 5TH DIGIT LINK CONFIG Chevrolet All Models C K SIR E amp C UART GM GMC Chevrolet All Models L M SIR E amp C UART GM GMC Chevrolet All Models S T SIR E amp C UART OBD II C2 GMC GM 16 Chevrolet All Models U E amp C UART GM Pontiac Oldsmobile GM Body Systems Application 1988 2004 Page 25 Vehicle Coverage 3 Vehicle Coverage 1996 VEHICLE COVERAGE 1996 Buick Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 4TH DIGIT i LINK CONFIG Century A SIR E amp C UART OBD II C2 GM 16 Roadmaster B SIR E amp C UART OBD II C2 HVAC GM 16 Park Avenue C SIR E amp C IPC UART OBD II C2 HVAC GM 16 RFA Class 2 OBD II C2 Riviera G SIR E amp C UART OBD II C2 HVAC IPC GM 16 RFA Class 2 OBD II C2 Le Sabre H SIR E amp C UART OBD II C2 HVAC GM 16 RFA Class 2 OBD II C2 Skylark N SIR E amp C IPC UART OBD 11 2 GM 16 Regal W SIR E amp C UART OBD II C2 GM 16 1996 Cadillac Passenger Cars
45. RFA module request Messages result from a button press from a programmed RFA transmitter key fob LED DIMMING NO YES LED Dimming is a message that is sent to the ECCP by the BCM to control the ECCP dimming NO Not Dimming YES Dimming GM Body Systems Application 1988 2004 Page 214 Parameters Listed Alphabetically B Data List Parameters LEFT TURN SIGNAL ON OFF The BCM uses the left turn signal input in order to determine the state of the left turn signal ON displays when the left turn signal switch engages This commands the left turn signal lamps to illuminate OFF displays when the left turn signal switch does not engage or the turn signal lamps do not illuminate The BCM monitors the vehicle speed input for activation of the turn signal reminder chime feature The scan tool display alternates between ON and OFF as the turn signal flashes LH MIX MTR FDBK COUNTS 0 to 255 The position of the left hand air temperature motor actuator LH MIX MTR RQST COUNTS 0 to 255 The desired position of the left hand air temperature motor actuator LH PRETENS RESIST TYPICAL DATA VALUE 2 4 OHMS OHMS 0 to 6 6 The SDM performs the resistance measurement test once each ignition cycle and verified the ignition 1 and 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to he driver seat belt pretensioner deployment loop The SDM then measures the voltage drop across the
46. RWAL AWAL ALDL cable can be used with all of the applications in place of the Tech 1 DLC cable b OBD II and OBD II C are early adapter cable configurations utilized by the tester to communicate with systems connected to the OBD II DLC If you have one of these configurations please reference OBD 2 in the Adapter Config column of the vehicle coverage tables for the vehicle you are diagnosing GM Body Systems Application 1988 2004 Page 65 Adapter and Adapter Cable Configurations 4 Getting Started TESTER CABLE ADAPTER ILLUSTRATIONS FIGURE 4 5 GM Adapter Configuration for MTS 3100 2 4 Application Cartridge MTS 3100 LIN EN ar iy 14 26 Pin DLC Cable GM 12 14 Pin DLC Adapter GM Body Systems Application 1988 2004 Page 66 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 6 GM Adapter Configuration for Tech 1A TECH 1A Application Cartridge GM 12 14 Pin DLC Adapter GM Body Systems Application 1988 2004 Page 67 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 7 GM Adapter Configuration for Tech 1 TECH 1 Tech 1 GM RWAL AWAL ALDL Cable Application Cartridge GM Body Systems Application 1988 2004 Page 68 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 8 OBD II C2 Adapter Configuration for MTS 3100 MTS 3100 OBD II Compliant DLC Cable Contro
47. VIN code the vehicle s body type The tester displays all body VIN codes available for the year selected Press or Qs to scroll through the list until the desired VIN code flashes Press to initialize communication N If the vehicle under test is different from the model selection screen that appears on the tester select the vehicle model by pressing until the correct vehicle model is displayed then press to enter your current system and model configuration NOTE EH Look at the tester display carefully as the differences can be subtle GM Body Systems Application 1988 2004 Page 59 Perform Vehicle and or System Selection 4 Getting Started 3 Select the system by pressing the corresponding function key When you have selected a system to test the tester displays a menu of test modes available for your selected system This is called the Test Selection menu Different test modes are available for different models so the Test Mode menu varies from vehicle to vehicle 4 To select a different vehicle for testing press several times to take you backward through the selection process until your change can be made Then complete the selection process for the new vehicle under test as previously described You have successfully informed the tester of the current application and can begin testing by selecting the test you wish to perform When you arrive at this point go to Chapter 5 SELEC
48. circuit voltage is between 2 2 and 5 0 volts The BCM interprets the following conditions as DARK when the ambient light sensor resistance is high and the sensor return circuit voltage is between 0 2 and 1 3 volts If there is an open or a short to ground in the ambient light sensor circuit the sensor will read about 0 0 volts The default state is DARK and the module will turn ON the headlamps Ifthe headlamps are set to the AUTO position while in the LIGHT state and the ambient light level changes to DARK for 15 seconds the BCM will turn ON the headlamps If the headlamps are set to the AUTO position while the DARK state and the ambient light level conditions change to LIGHT for 20 seconds the BCM will turn the headlamps OFF GM Body Systems Application 1988 2004 Page 183 Parameters Listed Alphabetically B Data List Parameters AMBIENT TEMP UNITS RANGE DEGREES C 40 to 215 DEGREES F 40 to 418 The BCM uses a thermister mounted at the front of the vehicle The tester displays the unfiltered value indicated by the ambient temperature sensor while the instrument panel displays a filtered value for the driver ARMING SENSOR CLOSED OPEN The Arming Sensor monitors vehicle velocity changes The sensor consists of a sensing element normally open switch contacts a diagnostic resistor and two diodes When a low level velocity change occurs the sensing element closes the normally open switch contacts and supplies vol
49. control system To use VIN and Option Content mode do the following 1 Press G to select the VIN amp OPTION CONTENT mode from the Select Mode menu Parameters containing information specific to the vehicle being tested are displayed Use the and keys to scroll through the parameters You can create your own data pairs as explained in Section F0 DATA LIST 2 Press to return to the Select Mode menu LOW TIRE PRESSURE WARNING SYSTEM LTPWS The Flash Codes test allows you to flash Low Tire Pressure Warning System LTPWS trouble codes on the dashboard LTPWS telltale lamp The Clear Codes test allows you to clear any LTPWS trouble codes that are present Refer to the LTPWS Service Manual Section 3E to interpret the codes When you enter Mode F2 you see the Flash Codes described in this section NOTE The F0 Flash Codes F1 Clear Codes test is available for 1991 96 Y Body vehicles only Mode FO Flash Codes Mode F1 Clear Codes To run the tests do the following Select the LTPWS from the 1991 1996 Y Body Select System menu by pressing G depending on the vehicle year You are prompted to Refer to the LTPWS diagnosis in the Service Manual Press to continue When the Select Mode menu is displayed press to read flashed codes or to clear codes You are prompted to Turn the ignition ON and press the key A Do not start the engine just turn t
50. deployment loop and converts the measured voltage value to a driver seat belt pretensioner deployment loop resistance value LH PRETENS SENSLO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 to 20 The SDM measures the voltage at the driver seat belt pretensioner low terminal 9 and displays this value as LH Pretens Senslo LH PRETENSIONER VDIF TYPICAL DATA VALUE 4 10 MV MILLIVOLTS 0 to 500 The SDM measures the voltage difference between driver belt high and driver belt low and displays this voltage difference as LH Pretensioner VDIF LH SIDE AIR BAG RESIST TYPICAL DATA VALUE 2 4 OHMS OHMS 1 to 6 6 The SDM performs the resistance measurement test once each ignition cycle and verifies that Ignition 1 and Ignition 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the LH GM Body Systems Application 1988 2004 Page 215 Parameters Listed Alphabetically B Data List Parameters side air bag deployment loop and converts the measured voltage value to a LH side air bag deployment loop resistance value LH SIDE AIR BAG SENSELO TYPICAL DATA VALUE 3 1 VOLTS UNITS RANGE VOLTS 0 to 20 The SDM performs the resistance measurement test once each ignition cycle and verifies the ignition 1 and 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the LH side air bag deployment loop The DSM then measures the voltage drop across the deployment
51. displays the transmission control status The tester displays ON when the key is pressed and OFF when the key is released TRANSMISSION SELECTOR PRNDL POSITIONS These descriptors indicate the position of the gear shift selector Ist 2nd 3rd 4th Sth 6th DRIVE DRIVE 1 DRIVE 2 DRIVE 3 DRIVE 4 NEAUTRAL OVERDRIVE PARK REVERSE TRIP SEASON ODO STATES OFF ON When the Trip Season Switch on the instrument panel is pushed the tester displays ON otherwise OFF is displayed TRIP ODO RESET TRIP RST SW RELEASED DEPRESSED OFF ON When the TRIP ODO reset switch on the instrument panel is pushed the tester displays DEPRESSED otherwise RELEASED is displayed This is a momentary contact switch Use tester Snapshot to test switch operation When the Trip Reset Switch on the instrument panel is pushed the tester displays ON otherwise OFF is displayed TRIP ODO SELECT RELEASED DEPRESSED When the TRIP ODO select switch on the instrument panel is pushed the tester displays DEPRESSED otherwise RELEASED is displayed GM Body Systems Application 1988 2004 Page 242 Parameters Listed Alphabetically B Data List Parameters TRIP ODOMETER UNITS RANGE MILES 0 to 1999 9 KILOMTERS 0 to 3218 The BCM transmits the accumulated trip odometer mileage by the IPC Pressing the key toggles the display between MPH and KPH TRUNK AJAR YES NO When the trunk is open a discrete input to the BCM is
52. fuse Check the fuse in the cigarette lighter plug on the end of the tester DC power cable Ifthe display is still not correct Appendix A lists possible causes for the malfunction and recommendations to remedy the problem If the problem persists perform the tester Self test as described in the basic tester Operator s Manual NOTE The tester Self test does not operate with the GM Body Software Cartridge J installed ACTIVE KEYS ENTER Confirm displayed information is correct q Used to select a menu item Used to select a menu item Stop automatic menu scroll Manually scroll menu EXIT Return to previous display PERFORM VEHICLE AND OR SYSTEM SELECTION SELECTING THE MODEL YEAR 1 From the power up menu press iz to enter the vehicle selection mode 2 If the tester remembers the last vehicle you tested it gives you the option of continuing with the testing of that vehicle Enter the model year on the keypad to start testing of a new vehicle or press to continue testing the same vehicle Generally the tester remembers the previous vehicle under test if it has been less than 24 hours and you have not removed application cartridge from the tester NOTE If you select a new vehicle or the same vehicle as before but do not press any data saved from previous testing is erased This includes Snapshot and Review Codes GM Body Systems Application 1988 2004
53. information is a signal received directly from the vehicle speed generator to the IPC cluster Pressing toggles the display between MPH and KPH VEHICLE SPEED KM H 0 205 MPH 0 127 The module uses the data for determining how fast the vehicle is traveling This data is used during the operate of the automatic door lock and turn signal reminder features VENT BUTTON OFF ON The state of the Vent button ON is pressed OFF is released GM Body Systems Application 1988 2004 Page 245 Parameters Listed Alphabetically B Data List Parameters VERY LOW FREON STATES The tester monitors the message from the BCM to the ECM and displays YES if the A C system has very low freon pressure VF DIMMING 0 TO 100 The Vacuum Florescent Dimming parameter is a BCM to IPC command The green or blue instrument panel displays are controlled by the Dimming Pot and Twilight Photo Cell The maximum percentage is approximately 12 VIN INFORMATION The scan tool displays a list The DIM Dash Integration Module is programmed at the assembly plant with the last four digits of the SDM number and the VIN of the vehicle VTD FUEL DISABLE OFF ON The scan tool displays the state of the VTD fuel disable mode The scan tool displays INACTIVE when the Passlock system verifies a valid password VTD FUEL DISABLE UNTIL IGN OFF YES NO The scan tool displays the state of the VTD fuel disable until Ignition Off mode The s
54. input in order to determine the position of the headlamp switch ACTIVE displays when the headlamp switch is in the HEADLAMP position NACTIVE displays when the headlamp switch is not in the HEADLAMP position HEATED WINDSHLD ON OFF This is a discrete input to the BCM from the Heated Windshield module which indicates when the Heated Windshield option is on HEATED WS REQ YES NO Heated Windshield Request is a pulsed output from the BCM to the Heated Windshield module This is a momentary contact switch only Use tester snapshot to test switch operation HIGH BEAM INPUT YES NO Tester displays YES when the BCM s beam change input is pulled to ground HIGH BEAM INPUT VOLTS 0 0 18 0 The module uses this input in order to determine the state of the high beam headlamps The High Beam Input voltage will vary depending on the state of the headlamps Refer to the following table Headlamps State High Beam Input Voltage DRL Beams ON 5 9 7 0 volts Low Beams ON 11 5 14 0 volts High Beams ON 1 2 volts HIGH BEAM RELAY STATES OFF ON This is a BCM controlled relay The BCM turns this relay ON to switch from Low Beams to High Beams GM Body Systems Application 1988 2004 Page 207 Parameters Listed Alphabetically B Data List Parameters HIGH BEAM SWITCH STATES The BCM uses the high beam switch input in order to determine if the high beam headlamps are ON by measuring the volta
55. lamp or relay The lock relays only stay on for 300 milliseconds so you must press the key each time you want to see the lock relays operate The 9 and keys turn the horn and RAP ON and OFF respectively c Use the and keys to scroll through the Data List while testing the lamps and relays The lamp or relay that you selected as well as its status remain on the tester screen while the Data List is scrolled 4 Program RAC Key Tags To program RAC key tags press Gp from the RAC Tests menu You are instructed to turn off the Level Three Theft Deterrent if available before pressing the key on the tester a Onthe new key tag press any one of the buttons one time then press the key on the tester All buttons on the key tag are programmed by the single key press so the other buttons do not need to be pressed b Ifan optional second key tag is to be programmed press any button on the second key tag once then press on the tester If the vehicle does not allow a second keytag to be programmed just press YES c Now lock and unlock the doors to test the operation of the key tags to be certain the programming was successful Reprogram the key tag if necessary 5 Automatic Door Locks ADL a To test the Automatic Door Locks select F0 OUTPUTS then select F2 AUTO DR LOCK from the Select Output menu The status of the AUTO DR LOCK is initially LOCK ONLY Pressing changes the state to LOCK and UNLOCK Pressing the key returns the
56. occurs before the trigger Data that occurs after the trigger Data that occurs both before and after the trigger If no trigger point is selected the center trigger point is used and a similar number of data samples before and after the trigger are saved GM Body Systems Application 1988 2004 Page 100 Common Test Modes 5 Selecting and Operating Test Modes Viewing Captured Data You have the option of bypassing the Data Capture phase and displaying previously captured data To do this select FO REPLAY DATA from the Snapshot menu All data captured during SNAPSHOT is retained in the tester until it is overwritten by a new SNAPSHOT or if the tester is unplugged from the cigarette lighter for more than 12 hours If no data has been captured or if data stored in the tester memory is not data from the vehicle currently being tested 1 it s from a previously tested vehicle the tester displays the following message for four seconds or until the 248g key is pressed CAPTURED DATA NOT FROM SELECTED VEHICLE Printing Captured Data The Body Systems Cartridge has the capability to print the captured data providing a hard copy of any selected data sample NOTE If you are using a Tech 1 the tester RS232C I F Cartridge Kit P N 01001151 is required to support the print function The operation of SNAPSHOT mode is divided into three phases Set Up Phase Data Capture Phase Data Display Ph
57. off reverse polarity in the cigarette lighter may be present Damage to the tester could occur DO NOT connect the ALDL DLC cable to the vehicle Verify that the center contact of the vehicle s cigarette lighter has 12 volts and that the outer contact is grounded GM Body Systems Application 1988 2004 Page 4 Precautions for All Applications 2 Operating Precautions PROTECT AGAINST VOLTAGE SPIKES CAUTION Due to the possibility of voltage spikes that could damage the vehicle or tester do not connect or disconnect the tester while the ignition key is ON or while the engine is running INSTALL REMOVE CARTRIDGES WITH TESTER OFF Do not install or remove application or auxiliary cartridges while power is applied to the tester To change or add a cartridge do the following 1 Turn the ignition OFF CAUTION 2 Disconnect the tester power source either the cigarette lighter power plug or the ALDL DLC Cable from the vehicle 3 For the MTS 3100 press D to turn the tester OFF 4 Change or install the cartridge s 5 Reconnect the tester power source either the cigarette lighter power plug or the ALDL DLC Cable 6 Turn the ignition ON APPLY PARKING BRAKE OBD CONTROLS MODE OPERATION WARNING Use care when performing these tests If used incorrectly these test can result in personal injury or damage to the o
58. printing 101 Captured data viewing 101 Cellular phone test 168 cigarette lighter polarity 4 CLASS 2 63 Clear codes 117 Compact disk test 166 Control head test 164 Creating data pairs 94 D Data capture phase 103 Data Capture terminating early 104 Data Display phase 104 Data List mode 92 Data pairs creating 94 Diagnostic Trouble Codes DTC 97 DIC tests 124 DTCs clearing 98 DTCs reading 97 INDEX E E amp C Bus 153 E amp C component identification test 157 E amp C components 143 E amp C control test 162 E amp C function tests 1988 144 1989 145 1990 146 1991 147 1992 148 1993 149 1994 150 1995 151 1996 152 E amp C monitor test 154 E amp C monitor test performing 154 E amp C speaker test 169 E amp C Test Modes 3 Eavesdrop 179 F Flash codes 117 Flash codes 1990 Y Body 133 Function keys tester 86 H HVAC test 167 HVAC tests 129 GM Body Systems Application 1988 2004 Index 262 install cartridge 5 IPC to SDM circuit operation 141 K keypad 86 mass storage cartridge 57 master cartridge missing or malfunctioning 173 N no data received 174 176 O Obstructed parameter viewing 105 P parking brake 5 Precautions operating 4 Printing data 92 Problem blank screen 172 data not received 174 176 E amp C components message 176 to 178 intermittent communications 175 master cartridge malfunctioning 173 master cartridge missing 173 solid bars 173 wrong display 17
59. program module A C BILEVEL HEAT FORCE DEF RECRCULAT A C RECIRC BLOWER DLY FT DEFOG SNOW INGST A C PURGE COLD PURGE HEATER UP FORCED AUTO KEY DEFOG LOW FORCE UPPER BILEVEL DEFROST LOWER VENT BILEVEL A C FIX HEATER MEDIUM BILEVEL DEF FIX BILVL PURGE NRM BILEVEL FRC FIX DFRST PURGE DEF HVAC MOMENTARY SWITCHES OFF ON The tester displays ON when these keys are pressed and OFF when the keys are released AUTO KEY FAN UP KEY COOLER KEY FAN DOWN KEY DEFOG KEY OFF KEY ECON KEY REAR DEFOG KEY FRONT DEFORST KEY WARMER KEY HVAC PROGRAM NO NONE 0 to 255 This is an internal BCM calculation used to control the HVAC system A number close to 0 is maximum air conditioning while a number close to 255 1s maximum heat HVAC SET TEMP SET EXT TEMP DEGREES F 0 to 210 DEGREES C 18 to 99 This is the temperature that the driver has commanded on the electronic climate control panel GM Body Systems Application 1988 2004 Page 209 Parameters Listed Alphabetically B Data List Parameters PARAMETERS l J Parameters beginning with the letters I and J IGN 1 PRESENT YES NO Ignition 1 is a discrete input from the ignition switch to the CCM The tester states whether this input is present at the CCM IGN POWER MODE OFF RUN CRANK UNKNOWN OFF is displayed when the ignition switch is in the OFF or the ACCESSORY positions RUN is displayed when the switch is in the RUN position e CRANK is displayed w
60. status to LOCK ONLY The current status is indicated on line 2 of the tester display 6 Key Tags 1994 95 Vehicles a To test the Key tag operation select FO OUTPUTS then press F3 KEY TAG S from the Select Output menu The tester screen displays TRANSMITTER 1 on line 1 and TRANSMITTER 2 on line 3 b Momentarily press a button on a key tag line 2 or 4 to indicate which of the key tags was used and which button on the tag was pressed be sure to pause 2 to 3 seconds before pressing any other key tag buttons This indication verifies the signal to the receiver GM Body Systems Application 1988 2004 Page 121 System Test Modes 5 Selecting and Operating Test Modes SELECT TEST F0 OUTPUTS F1 PROGRAM RAC KEY TAG S SELECT OUTPUT F0 LAMPS F1 RELAYS F2 AUTO DR LOCK SELECT LAMP F0 INTERIOR F1 EXTERIOR F2 SECURITY Indicates lamp can be controlled DOOR HANDLE SW ON ILP INT EXT LAMPS Use to turn lamp ON OFF ON Ay Indicates status of lamp DOOR HANDLE SW ON ILP INT EXT LAMPS OFF ON ON Use y to turn lamp OFF AUTO DOOR LOCK LOCK ONLY A LOCK UNLOCK Y LOCK ONLY SELECT RELAY AY F0 LOCK ALL F1 UNLOCK ALL F2 UNLOCK TRUNK 3 Seconds or SELECT RELAY Ay F3 UNLOCK DRIVR F4 HORN F5 RAP Indicates relay can be controlled DOOR UNLOCK RLY OFF LOC HORN RELAY ON Ay Use A to turn relay ON Use y to turn relay OFF In
61. such as 9110 To respond when the tester asks for information just press the appropriate key on the tester keypad Although there are exceptions pressing 241 generally takes you back to the previous screen or to the beginning of a process Please read Chapter 2 before beginning diagnostics for the first time Manual Title Page 5 Table of Contents 1 GM BODY APPLICATION 5 1 SUPPORTED BODY SYSTEMS Reset Eee EE ERRE 1 OPERATING MODES pote tren 2 A QPERATING FRECAUHON A ERRARE ERA SR 4 INTRODUCTION piaci aai enai ae ee ee 4 PRECAUTIONS FOR ALL APPLICATIONS 4 Protect Against Reverse POLY si iss kiret 4 Protect Against Voltage Spikes Lis eds aueh tr ek Cain Cad Caw 5 Install Remove Cartridges with Tester OFF ees cov sus esse sisas 5 Appl PANNE DIAE aeta etaed Re dra bad een aad RR ERR AUR RUE 5 PHOT Snapshot DAE 4546856 A 5 PRECAUTIONS FOR GM BODY APPLICATION 6 3 VEHICLE COVERAGE 1224s dE E Rx RS eR RR dE iride 7 VEHICLE COVERAGE bee robe iK be ede b e eed atate 7 POSS CONES be ded dieque dud Bad 7 JUN ERIGI ei eque 9 CONSE
62. the Driver Side High and Driver Side Low as measured by the DERM during normal non deployment operation of the SIR system DRIVER S FRONT PSNGR S REAR DOOR OPEN DOOR CLOSED The door switches on Cadillac E and K Body BCMs are wired as either driver s and passenger s or front and rear doors DRIVER S DOOR CLOSED OPEN This is the BCMs Driver s Side Door Ajar switch The tester displays OPEN when the door is ajar or closed when the door is fully closed DRL RELAY ON OFF The Daytime Running Lamp DRL relay output refers to the commanded state of the DRL relay coil ON displays when the module commands the DRL relay coil to turn ON OFF displays when the BCM does not command the DRL relay coil to turn ON DRVR JAMB SW ACTIVE INACTIVE The driver door jamb switch information refers to the position of the driver door INACTIVE is displayed when the driver door is closed and the switch plunger is pushed IN ACTIVE is displayed when the driver door is open and the switch plunger is OUT DUAL BUTTON OFF ON State of the Dual button ON is pressed OFF is released GM Body Systems Application 1988 2004 Page 200 Parameters Listed Alphabetically B Data List Parameters DUSK STATES YES NO The displayed value refers to the amount of ambient light level calculated by the module using the light sensor Dusk is displayed whenever the park lamps are ON The information is used by the module for operat
63. the printer the tester keyboard is disabled WARNING A Do not plug in the RS232C Cartridge with the tester on To print the currently displayed data list from a Tech 1A or MTS 3100 do the following 1 Connect to a compatible printer 2 Press the G key SNAPSHOT data can also be printed in a tabular format using the RS232C Cartridge s SCREEN PRINT feature This is enabled for Tech 1 the RS232 Cartridge must be installed To print Snapshot data in tabular format do the following 1 Press for approximately 1 second until an RS232 Setup menu is displayed 2 Press ai to enable the SCREEN PRINT function To return to the Trigger Select menu do the following Press 3A to return to the Trigger Select menu If you are finished with the SNAPSHOT mode press 9410 again to return to the Test Mode menu ACTIVE KEYS IN SNAPSHOT DATA DISPLAY PHASE Scroll through displayed data parameters NO Scroll through selected samples 1 Fix top or bottom display parameter respectively 2 Display diagnostic trouble codes for current sample Displays cause of trigger Advance to first earliest sample G Advance to trigger sample sample 0 F6 Advance to last most recentO sample Toggle between English and Metric values G3 Print current data sample if equipped with RS232C I F cartridge and printer Toggle between sample index and sample time display Return to t
64. toggled and the tester displays YES TRUNK OPEN INPUT OFF ON The tester displays ON when the trunk is open and OFF when the trunk is closed TRUNK UNLOCK RELAY This parameter indicates whether the Trunk Unlock Relay is being commanded OFF ON by module NOTE The remote transmitter cannot be used to unlock the trunk with the EH ignition ON TURN SIGNAL STATES YES NO When either the left or right turn signal is ON the tester displays YES TWILIGHT DELAY 0 to 100 COUNTS to 255 Twilight Display is an input from the IPC to the BCM and CCM through a variable resistor controlled by the driver Twilight Delay is displayed in percent by the BCM or in Counts by the CCM A value close to 0 or 0 counts represents a minimum delay time A value close to 100 or 255 counts indicates a maximum delay time TWILIGHT ENABLE OFF ON This is a discrete input to the IPC BCM or CCM depending on the vehicle being tested The tester indicates if the Twilight Enable switch has been turned on or off GM Body Systems Application 1988 2004 Page 243 Parameters Listed Alphabetically B Data List Parameters TWILIGHT PHOTO UNITS RANGE The Twilight Photo Cell is a light sensitive resistor mounted in the instrument panel Twilight photo is used by the BCM to control the Twilight Sentinel function A value close to 096 represents daylight while a value close to 10096 repres
65. you have the option of reviewing saved Snapshot data by selecting F0 REPLAY 2 Press to return to the Select Mode menu ACTIVE KEYS Go to REPLAY mode in E amp C Snapshot menu or in capture data mode G Clear E amp C SNAPSHOT buffer and go to capture mode when in E amp C Snapshot menu G Continue collecting E amp C messages without clearing messages saved in Snapshot buffer when in E amp C Snapshot menu or REPLAY mode Display next E amp C message Display previous E amp C message EXIT Return to E amp C Snapshot menu or E amp C Select Mode menu GM Body Systems Application 1988 2004 Page 160 System Test Modes 5 Selecting and Operating Test Modes MESSAGES RCVD 00 NONE If INCREASE VOLUME key on radio head is pressed at least 2 messages should be transmitted MESSAGES RCVD 02 F0 REPLAY RPT VOLUME VOL XX SELECT SYSTEM F9 E amp C SELECT MODE F0 E amp C MONITOR F1 IDENTITY F3 SNAPSHOT E amp C SNAPSHOT F0 REPLAY F1 NEW TEST F2 CONTINUE If no data is saved E amp C SNAPSHOT NO DATA SAVED F1 NEW TEST F2 CONTINUE If two messages are saved in buffer MESSAGES RCVD 02 F2 CONTINUE RPT VOLUME MESSAGES RCVD 02 F0 REPLAY NONE If the Clock updates MESSAGES RCVD 02 F2 CONTINUE INC VOLUME MESSAGES RCVD 03 F0 REPLAY REPORT TIME 11 47 FIGURE 5 26 Example of
66. your Vetronix tester and software application In addition to helping you identify vehicles covered by the software it shows you how to connect your tester to the vehicle and explains how to begin performing system diagnostic functions It is suggested that you read this manual completely before operating the tester and the system software GM Body Systems Application 1988 2004 Page 53 Setting Up the Tester 4 Getting Started SETTING UP THE TESTER MTS 3100 Before you operate the application software do the following 1 Make sure the vehicle ignition is OFF 2 Connect the tester DLC formerly called the ALDL cable to the tester and tighten the screws 3 Insert the cartridge into the slot at the top rear of the tester FIGURE 4 1 Insert a Cartridge into the MTS 3100 Application Cartridge or Mass Storage Cartridge MSC MTS 3100 4 Install the appropriate adapter to the tester DLC cable Refer to Adapter and Adapter Cable Configurations on page 61 for information on selecting the correct adapters 5 Locate the vehicle s DLC Connect the DLC cable or the adapter attached to the end of the DLC cable to the vehicle Continue to Powering Up the Tester on page 56 GM Body Systems Application 1988 2004 Page 54 Setting Up the Tester 4 Getting Started TECH 1A Before you operate the Tech 1A do the following 1 Make sure the vehicle ignition is OFF 2 Connect the tester DLC formerly called the ALDL cab
67. 0 Buick Passenger Cars UL JI XE NE Electra C E amp C UART GM Reatta Riviera E SIR BCM UART GM Le Sabre H E amp C UART GM Skylark N E amp C UART GM Regal IPC UART GM GM Body Systems Application 1988 2004 Page 10 Vehicle Coverage 3 Vehicle Coverage 1990 Cadillac Passenger Cars move BOD DATA ADAPTER Fleetwood Fleetwood C SIR BCM UART GM 60 Special Brougham D E amp C UART GM Eldorado E SIR BCM UART GM Seville K SIR E amp C BCM UART GM Allante V E amp C UART GM 1990 Chevrolet Passenger Cars BODY VIN DATA ADAPTER 4TH DIGIT CONFIG Camaro SIR UART GM Corvette Y SIR E amp C CCM UART GM S 1990 BODY VIN DATA ADAPTER MODEL 4TH DIGIT DESTEM LINK CONFIG Metro Sprint M SIR UART GM Storm R SIR UART GM D 1990 Oldsmobile Passenger Cars mover sysrem DATA ADAPTER 98 Regency C E amp C UART GM Toronado E SIR E amp C BCM UART GM Cutlass Supreme IPC UART GM GM Body Systems Application 1988 2004 Page 11 Vehicle Coverage 3 Vehicle Coverage 1990 Pontiac Passenger Cars BODYYIN sss DATA ADAPTER 6000 A E amp C UART GM Firebird F SIR UART GM Bonneville H E amp C UART GM Cutlass J E amp C UART GM Grand Prix
68. 001032 GM Body Systems Application 1988 2004 Page 62 Adapter and Adapter Cable Configurations 4 Getting Started GM ECUS use two types of communication protocol e UART Universal Asynchronous Receive and Transmit e Class 2 UART UART communication is used for all serial communication prior to OBD II requirement for all automotive manufacturers to reduce emissions The UART is a 5 volt line that toggles the voltage to ground at a fixed bit pulse width during communications UART transmits data at the rate of 8192 bits per second 8192 bps Some control modules on current production GM vehicles for Chassis and Body Systems communicate using the UART protocol CLASS 2 CLASS 2 was introduced to meet the demanding requirements of sharing information from ECU to ECU on a vehicle network The Class 2 data line transfers information by toggling the line from zero volts to 7 volts Class 2 transmits data at the rate of 10 4 Kilobits per second 10 4 Kbps Class 2 is used for serial communications on GM Powertrain and Transmission control modules starting in 1994 and continuing to the present Class 2 communications supports some GM Chassis and Body Systems control modules and is increasing as new models are introduced Because of this performance improvement Vetronix diagnostic test tools are required to contain new hardware in order to use General Motors new and old data link s NOTE Applications with 16 pin SAE
69. 1989 3 Oldsmobile Cars L 1991 4 Buick M 1991 6 Cadillac 5th Digit N 1992 7 Canada 1988 to present P 1993 Light Duty R 1994 Trucks S 1995 1996 V 1997 W 1998 1999 2000 1 2001 2 2002 3 2003 4 2004 FIGURE 4 25 Body Chassis Types GM Body Systems Application 1988 2004 Page 87 5 SELECTING AND OPERATING TEST MODES This chapter provides a detailed description of each test available in this application Following the test descriptions step by step instructions tell you how to quickly perform the test A list of the active keys for each test is included at the end of each test mode TEST MODES SUMMARY The following table gives you a quick summary of the test modes available within this application Detailed descriptions of the test modes are given in the appropriate sections of this chapter The tester only displays the test modes that are applicable to the vehicle being tester GM Body Systems Application 1988 2004 Page 88 Test Modes Summary 5 Selecting and Operating Test Modes SYSTEM Common Test Modes F0 MODE Data List 50 Fl F2 F3 F4 Data Input 1 Input 3 Outputs Security Data DESCRIPTION Displays Air Bag Sensors and Input Output data about the current condition of the SIR system Examples include Ignition Voltage data Warning Lamp Cycles and Driver Seatbelt status F2 DTCs FO F1 F2 Current
70. 2 BCM Chevrolet Venture UN X SIR SDM D Class 2 OBD II C2 Oldsmobile U V X SIR SDM D Class 2 OBD II C2 Silhouette Pontiac Montana U VIX SIR SDM D Class 2 OBD II C2 2003 VEHICLE COVERAGE 2003 BODY VIN DATA ADAPTER MODEL 4TH DIGIT PARLEI LINK CONFIG Park Avenue Ultra C SIR SDM G4 Class 2 OBD 11 2 Le Sabre H SIR SDM GT Class 2 OBD 11 2 Century Regal W SIR SDM G2 G4 Class 2 OBD Il C2 2003 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT DINEM LINK CONFIG CTS D SIR SDM GF Class 2 OBD II C2 DeVille SLS STS K SIR SDM GF Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 47 Vehicle Coverage 3 Vehicle Coverage 2003 Chevrolet Passenger Cars JOD system DATA ADAPTER Cavalier J SIR SDM G2 Class 2 OBD II C2 Malibu N SIR SDM G2 Class 2 OBD II C2 Impala Monte Carlo SIR SDM GT Class 2 OBD II C2 Corvette Y SIR SDM G2 Class 2 OBD II C2 2003 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SxS TEM LINK CONFIG Aurora G SIR SDM GT Class 2 OBD II C2 Alero N SIR SDM G2 Class 2 OBD II C2 2003 Pontiac Passenger Cars MODEL gra parr SYSTEM Pk CONFIG Sunfire J SIR SDM G2 Class 2 OBD II C2 Bonneville H SIR SDM GT Class 2 OBD II C2 Grand Am N SIR
71. 2000 2004 N Oldsmobile Alero 2000 2004 N Pontiac Grand Am 2000 2004 S Chevrolet SSR 2004 S T Buick Ranier 2004 S T Chevrolet TrailBlazer 2004 S T Chevrolet Colorado 2004 S T GMC Canyon 2004 S T GMC Envoy 2004 S T Oldsmobile Bravada 2004 W Buick Century 1999 2004 W Buick Regal 1999 2004 W Pontiac Grand Prix 2004 W Chevrolet Impala 2003 2004 W Chevrolet Monte Carlo 2003 2004 W Oldsmobile Intrigue 2000 2002 DIM D Cadillac CTS 2003 2004 E Cadillac SRX 2004 G Oldsmobile Aurora 2001 2002 H Buick Le Sabre 2000 2004 H Pontiac Bonneville 2000 2004 K Cadillac Deville Seville 2000 2004 K STS SLS 2000 2004 GM Body Systems Application 1988 2004 Page 138 System Test Modes 5 Selecting and Operating Test Modes TARGET BODY VIN MAKE MODEL E Cadillac Eldorado 1997 2002 F Chevrolet Camaro 1999 2002 F Pontiac Firebird Trans AM 1999 2002 K Cadillac DeVille Seville 1997 1999 U V X Chevrolet Venture 2000 2004 U V X Oldsmobile Silhouette 2000 2004 U V X Pontiac Montana 2000 2004 Medium Duty Trucks D C Series 2003 2004 C T Series 2003 2004 GM Body Systems Application 1988 2004 Page 139 System Test Modes 5 Selecting and Operating Test Modes Mode F1 Reprogramming the BCM and DIM ECUs The Body Control Module BCM ECU and the Dash Integration Module DIM ECU should be reprogrammed when one or more of the following condition s exist
72. 2004 TOC i POWERING UP THE TESTER PER Rp be 56 SELECTING THE APPLICATION 57 PERFORM VEHICLE AND OR SYSTEM SELECTION 58 Deena Me Modol JOS baee aba ERE b E denne wh ews dd pedi Roa 58 selecting the Vehicle Using the VIN 5 eas qu a RR 59 DIONNE he Vehicle MIE eus cad kac wat Ee dud Cue aor n Edo 60 ADAPTER AND ADAPTER CABLE CONFIGURATIONS 61 Tester Cable ddapter HlustPalions asesat as eRbokrid eR dd ud 66 USING THE TESTER KEYPAD AND MENUS 86 Josep LUUCHOR REVS 2344966266 AU ERE LARD UE ROBUR AUGE RA ER PARA RR 86 VEHICLE IDENTIFICATION NUMBER VIN s ete ees 87 3 SELECTING AND OPERATING TEST 88 TEST MODES SUMMARY bbb RR bes 88 SELECTING THE SYSTEM AND TEST MODE 91 COMMON TEST MODES hr e temen Re tne a ered 91 Mode PO DATA LISD 42003408200 ERE eR REOR RERO RC die o 92 Mode PI SDE MONITOR 94 Mo FA DIU 44 QA NEA 97 DIGGER APO E 100 Mode FS INFORMATION 108 SYSTEM TEST MODES deseen rem on e e 110 Aa Condinoning Module ACM ue os
73. 4 Q quick keys 59 R Radio receiver test 162 Remote equalizer test 164 remove cartridge 5 Reprogramming the BCM ECU 140 Reprogramming the IPC ECU 141 to 142 reverse polarity 4 S SDL Monitor 94 179 SDL Test Modes 2 SIR synchronization 138 snapshot 5 Snapshot data printing 106 Snapshot set up phase 102 Software before operating 54 to 56 Systems and Test Modes selecting 91 T Test mode 91 Test Selection menu 60 Tester function keys 86 tester induced DTCs 6 Trigger Condition 100 Trigger Point 100 Trigger forcing 104 U UART 63 V VIN and option content 112 voltage spikes 5 wrong display 174 GM Body Systems Application 1988 2004 Index 263
74. 4TH DIGIT PEPDEM LINK CONFIG SC SL Z SIR UART GM 1992 Light Duty Trucks MPV BODY VIN DATA ADAPTER MARE MODEL STH DIGIT SOLEM LINK CONFIG Chevrolet All Models C K E amp C UART GM GMC 1993 VEHICLE COVERAGE 1993 Buick Passenger Cars woo EODYVIN system Data ADAPTER Century A SIR E amp C UART GM Roadmaster B SIR E amp C UART GM Electra C SIR E amp C RAC UART GM EOLM HVAC Reatta Riviera E SIR E amp C BCM UART GM Le Sabre H SIR E amp C RAC UART GM EOLM HVAC Skylark N E amp C UART GM Regal W E amp C UART GM GM Body Systems Application 1988 2004 Page 17 Vehicle Coverage 3 Vehicle Coverage 1993 Cadillac Passenger Cars ZOMIN svsm DATA ADAPTER Deville SIR E amp C BCM UART GM Fleetwood SIR E amp C BCM UART GM EOLM Brougham D SIR E amp C CCM UART GM Eldorado E SIR E amp C IPC UART GM Deville K SIR E amp C IPC UART GM Allante V SIR E amp C UART GM 1993 Chevrolet Passenger Cars mone BODY svsrem DATA ADAPTER Caprice B SIR E amp C UART GM Camaro F SIR E amp C UART GM Beretta Corsica L SIR E amp C UART GM Corvette Y SIR E amp C CCM UART GM LTPWS 1993 woe ZON DATA ADAPTER Metro M SIR UART GM Storm R SIR UART GM Prizm S SIR UART GM P
75. 5 Increase equalizer band 5 DEC EQUAL CH 5 Decrease equalizer band 5 RPT EQUAL 1 5 Report equalizer bands 1 bass and 5 treble GM Body Systems Application 1988 2004 Page 249 E amp C Bus Monitor Messages B Data List Parameters Descriptor Message Description b1 bb bb base 0 15 b5 tt tt treble 0 15 RPT EQUAL 2 4 Report equalizer bands 2 through 4 XX yy ZZ xx Band 2 0 15 yy Band3 0 15 zz Band 4 0 15 REPORT TIME Report current time of day HH MM INC TOD HOURS Increase time of day by 1 hour DEC TOD HOURS INC TOD MINUTE DEC TOD MINUTE Decrease time of day by 1 hour Increase time of day by 1 minute Decrease time of day by 1 minute INC SET TEMP Increase HVAC set temperature by 1 degree DEC SET TEMP Decrease HVAC set temperature by 1 degree INC FAN SPEED Increase HVAC fan speed by 1 step DEC FAN SPEED Decrease HVAC fan speed by 1 step SET HVAC MODE Set a specific HVAC mode e g AUTO DEFROST BI LEVEL OFF Note Some HVAC Mode commands are toggle functions where one transmission turns the function on and a second transmission some message turns it off TOGGLE AM FM If radio setting is on AM change to FM If radio setting is on FM change to AM RADIO ON OF Turn radio on or off depending on the last state of the radio STOP PLAY Causes radio to halt cassette or CD and return to radio Press again t
76. 5 to 32 DEGREES F 59 to 89 The desired discharge temperature selected by the passenger PASS TMP DN BTTN OFF ON State of the Passenger Temp Down button ON is pressed OFF is released GM Body Systems Application 1988 2004 Page 225 Parameters Listed Alphabetically B Data List Parameters PASS TMP UP BTTN STATES State of the Passenger Temp Up button ON is pressed OFF is released PASSENGER BAG ENERGY RESERVE VOLTS 22 to 24 Instrument Panel IP module loop reserve voltage PASSENGER DOOR OPEN CLOSED This is the BCM s passenger side door ajar switch The tester displays OPEN when the door is ajar or CLOSED when the door is fully closed PASSENGER RESISTANCE UNITS RANGE The Passenger Resistance parameter displays resistance as calculated by the DERM ofthe inflates module SIR Cool Assembly harness wiring circuits and thermal contact PASSENGER SIDE IMPACT SENSOR ID The scan tool displays a 2 digit ID number The ID signal sent to the SDM from the passenger SIS PASSENGER SOURCE VOLTS 0 0 to 40 0 The Passenger Source parameter indicates voltage applied to the high side of the deployment loop This voltage is measured by the DERM through the diagnostic resistor in the arming sensor PASSENGER VDIF UNITS RANGE Voltage difference between passenger frontal high and passenger frontal low terminals PASSLOCK CODE SHORT TAMPER VALID CODE OPEN T
77. 6 6 The SDM perform the resistance measurement test once each ignition cycle and verifies the ignition 1 and 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the passenger seat belt pretensioner deployment loop The SDM then measures the voltage drop across the deployment loop and converts the measured voltage value to a passenger seat belt pretensioner deployment loop resistance value RH PRETENS SENSELO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 to 20 The SDM measures the voltage at the passenger seat belt pretensioner low terminal 15 and displays the value as RH Pretens Senselo GM Body Systems Application 1988 2004 Page 233 Parameters Listed Alphabetically B Data List Parameters RH PRETENSIONER VDIF TYPICAL DATA VALUE 4 10 MV MILLIVOLTS 0 to 500 The SDM measures the voltage difference between passenger belt high and passenger belt low and displays this voltage difference as RH Pretensioner VDIF RH SIDE AIR BAG RESIST TYPICAL DATA VALUE 2 4 OHMS OHMS 0 to 6 6 The SDM performs the resistance measurement test once each ignition cycle and verifies the 1gnition 1 and 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the RH side air bag deployment loop The SDM then measures the voltage drop across the deployment loop and convert the measured voltage value to a RH side air bag deployment loop resistance value RH SIDE AIR BAG SEN
78. 96 Oldsmobile C H body vehicles GM Body Systems Application 1988 2004 Page 115 System Test Modes 5 Selecting and Operating Test Modes To run the IPC tests do the following 1 Select IPC TESTS from the Select Mode menu 2 Select the desired control function from the IPC TEST selection menus below see notes at the bottom of the following chart for more selection information F0 IPC DIMMING F1 IPC INDICATORS F0 DIC LEDS F0 DIC LEDS Fl DATE F2 OIL F3 GAUGE F1 TELLTALES F1 HOT T TALE F2 VOLTS T TALE F3 TRAC CTRL OFF F4 SEATBELT F5 LOW WASHER F6 TRAC CTRL ACT F2 CHIMES F0 FAST CHIME F1 SLOW CHIME F3 SEGMENT TEST F0 EVEN ROWS F1 EVEN COLUMNS F2 ODD ROWS F3 ODD COLUMNS F4 EVEN COLUMNS These tests are available on DIC equipped vehicles only These tests are not available on DIC equipped vehicles GM Body Systems Application 1988 2004 Page 116 System Test Modes 5 Selecting and Operating Test Modes Mode F5 VIN and Option Content The VIN and Option Content mode is available on certain CCM BCM and IPC systems It reads the VIN and if available the vehicle s options such as type of gasoline destination country of the vehicle features available and other qualities of the vehicle that do not change These parameters are stored in the EEPROM of the particular
79. 996 Chevrolet Passenger Cars Example BODY VIN DATA ADAPTER 4TH DIGIT PARLEM TYPE CONFIG Cavalier J SIR E amp C IPC UART OBD OBD II C GM 16 Next look in the Body Adapter Usage Table on page 65 for the adapter configuration for the vehicle you are testing For the example above the 1996 Cavalier Adapter Configuration is OBD II OBD II C or GM 16 The Body Adapter Usage Chart lists the adapters cables and other hardware needed to connect each Vetronix tester to the vehicle For this example assuming you are using the MTS 3100 the options are OBD II C configuration Controller Area Network VIM and DLC Adapter Cable GM 16 configuration GM 12 14 Pin DLC Adapter and 16 12 Pin Non OBD II DLC Adapter Body Adapter Usage Chart Example SYSTEM ADAPTER TESTER ADAPTER PART FIG CONFIG DESCRIPTION NO NO 1995 2004 Systems OBD II C MTS 3100 OBD II Compliant MTS 3100 02002184 Figure 4 9 with a 16 Pin DLC Controller Area Network VIM 02003211 Class 2 data 16 24 Pin DLC Adapter Cable 02001744 OBD II Tech 1A Tech 1A OBD II Interface Cartridge 02002178 Figure 4 10 16 14 Pin OBD II Type 3 Adapter Cable 02001969 OBD II VIM 02001808 Figure 4 11 16 24 Pin VIM DLC Adapter Cable 02001744 Tech 1 Tech 1 GM RWAL 4WAL ALDL Cable 02001578 Figure 4 12 Tech 1 14 12 Pin VIM Adapter 02001198 OBD II VIM 02001808 16 24 Pin VIM DLC Adapter Cable 02001744 1994 2001 Syst
80. A ADAPTER MODEL 4TH DIGIT RYOTEM LINK CONFIG LS J SDM G2 Class 2 OBD II C2 SL SC SW Z SIR SDM RSD Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 39 Vehicle Coverage 3 Vehicle Coverage 2000 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL YSTEM 9 5TH DIGIT LINK CONFIG Truck C K SIR SDM G2 Class 2 OBD II C2 SUV C K SIR SDM G4 Class 2 OBD II C2 Truck SUV C K Auto HVAC Class 2 OBD II C2 BCM Express Savana G SIR SDM RSD UART OBD 11 2 GM 16 Astro Safari M L SIR SDM G2 Class 2 OBD II C2 BCM Truck SUV S T SIR SDM G2 Class 2 OBD II C2 Truck SUV S T SIR SDM RS Class 2 OBD II C2 Truck SUV S T Auto HVAC Class 2 OBD II C2 BCM Truck SUV C K SIR SDM G2 Class 2 OBD II C2 Redesign Chevrolet Venture U SIR SDM G6 Class 2 OBD II C2 Pontiac Silhouette U SIR SDM G6 Class 2 OBD 11 2 Pontiac Montana U SIR SDM G6 Class 2 OBD II C2 Truck C K SIR SDM RSD UART OBD II C2 GM 16 GM Body Systems Application 1988 2004 Page 40 Vehicle Coverage 3 Vehicle Coverage 2001 VEHICLE COVERAGE 2001 Buick Passenger Cars smsysrm DATA Park Avenue C HVAC Class 2 OBD II C2 SIR SDM RCL2 Le Sabre H SIR SDM G2 G3 Class 2 OBD II C2 Century Regal Auto HVAC Class 2 OBD 11 2 SIR SDM G2 G3 2001 Cadillac Passenger Cars BODY VIN
81. ADL system GM Body Systems Application 1988 2004 Page 181 Parameters Listed Alphabetically B Data List Parameters AIR DELIVERY MODE STATES This is the HVAC air delivery mode commanded to the HVAC programmer by the BCM States can be Defrost Heat Recirculate Automatic Economy Bi Level Off AIR INLET DR ACT COUNTS 0 to 255 The actual position of the air inlet door AIR INLET DR CMD COUNTS 0 to 255 The position of the air inlet door as commanded by the A C ECU AIR INLET DR MAX UNITS RANGE The maximum travel range of the door when it is driven to its stops following a recalibration AIR INLET DR MIN COUNTS 0 to 255 The minimum travel range of the door when it is driven to its stops following a recalibration AIR MIX DOOR ACT COUNTS 0 to 255 The actual position of the air mix door AIR MIX DOOR CMD COUNTS 0 to 255 The position of the air mix door as commanded by the A C ECU ALT F OUTPUT 0 to 100 The BCM monitors the generator field ON time A value close to 0 represents a minimum regulator ON time and a value close to 100 represents a maximum ON time ALT L STATUS OK LOW This is the generator feedback to the BCM The generator pulls this circuit low when it is not charging and the tester indicates LOW When the generator is charging it pulls this circuit high and the tester displays OK GM Body Systems Application 1988 2004 Page 182 Parameters Listed Alphabe
82. AM 1620 XMT Set frequency to 1620 KHz Note The radio must be set to the appropriate band AM or FM in order for the tester to control the frequency SET FM 99 5 XMT Set frequency to 99 5 MHz Note The radio must be set to the appropriate band AM or FM in order for the tester to control the frequency SET FM 107 9 XMT Set frequency to 107 9 MHz Note The radio must be set to the appropriate band AM or FM in order for the tester to control the frequency AM STEREO ON OF Enable or disable AM stereo EQUAL BAND 1 INC DEC Increase or decrease equalizer band 1 volume bass EQUAL BAND 2 INC DEC Increase or decrease equalizer band 2 volume EQUAL BAND 3 INC DEC Increase or decrease equalizer band 3 volume GM Body Systems Application 1988 2004 Page 251 E amp C Bus Control Messages B Data List Parameters E amp C FUNCTION MESSAGE DESCRIPTION EQUAL BAND 4 INC DEC Increase or decrease equalizer band 4volume EQUAL BAND 5 INC DEC Increase or decrease equalizer band 5 volume treble HOURS INC DEC Increment or decrement time of day hours MINUTES INC DEC Increment or decrement time of day minutes UNLOCK RADIO XMT Deactivate the vehicle anti theft system RADIO CONTROL HEAD MESSAGES The tester automatically outputs a sequence of messages to the Remote Control Head to exercise the head s display functions RADIO EQUALIZER CONTROL HEAD MESSAGES
83. Allante V SIR E amp C UART GM 1992 Chevrolet Passenger Cars mone BODY system DATA ADAPTER Caprice B SIR UART GM Camaro F SIR E amp C UART GM Cavalier J E amp C UART GM Beretta Corsica L SIR E amp C UART GM GM Body Systems Application 1988 2004 Page 15 Vehicle Coverage 3 Vehicle Coverage 1992 Chevrolet Passenger Cars Continued Lumina E amp C UART GM Corvette Y SIR E amp C UART GM CCM LTPWS 1992 Geo Passenger Cars BODY VIN DATA ADAPTER HO 4TH DIGIT LINK CONFIG Sprint M SIR UART GM Storm R SIR UART GM D 1992 Oldsmobile Passenger Cars ae svsrem Data 3E Custom Cruiser B SIR UART GM Ninety Eight C SIR E amp C DIC UART GM HVAC RAC Toronado E SIR E amp C BCM UART GM Eighty Eight H SIR E amp C DIC UART GM HVAC RAC Achieva Cutlass Calais N E amp C UART GM Cutlass W E amp C UART GM 1992 Pontiac Passenger Cars MEE DATA ADAPTER Firebird F SIR E amp C UART GM Bonneville H SIR E amp C RAC UART GM HVAC Tempest SIR E amp C UART GM Sunbird J E amp C UART GM Grand Am N E amp C UART GM Grand Prix amp GM GM Body Systems Application 1988 2004 Page 16 Vehicle Coverage 3 Vehicle Coverage 1992 Saturn Passenger Cars BODY VIN DATA ADAPTER MOREL
84. Application 1988 2004 Page 125 System Test Modes 5 Selecting and Operating Test Modes 3 Select the sub test you wish to perform from the Select Tests menu In the following list the sub test indicates the procedure to follow to perform the test F0 OIL TELLTALE See step 4 F1 TRANSFER OIL LIFE DATA See step 5 F2 RESET OIL MILEAGE 2096 See step 6 F3 RESET OIL MILEAGE 10096 See step 6 4 Press to check the Oil Change Telltale Lamp operation Use the key to turn the oil change telltale lamps ON and the key to turn the oil change telltale lamps OFF 5 When FI TRANSFER OIL LIFE DATA is pressed a sub menu offers you a choice of getting old EOLM data or XFER transfer TO NEW NOTE The TRANSFER OIL LIFE DATA function is only used when replacing the EOLM computer If you have determined that the computer must be replaced follow the instructions below a Press a GET OLD EOLM DATA to store engine oil life data from the old computer The tester asks you to press the key if you want to transfer the data from this EOLM ECU to a new EOLM ECU b Press to continue or to return to the EOLM Tests menu If you press the key the data from the old EOLM ECU is displayed as REVS xxxx and MILEAGE yyyy Record this value so you can be sure the tester still holds this value when you are ready to transfer it to a new EOLM ECU xxxx and yyyy are numerical hexadecimal values that vary with oil life
85. B SIR E amp C UART GM HVAC Park Avenue C SIR E amp C RAC UART OBD II C2 EOLM HVAC GM 16 Le Sabre H SIR E amp C RAC UART OBD II C2 EOLM HVAC GM 16 Skylark N SIR E amp C UART GM Regal SIR E amp C UART GM BODY VIN DATA ADAPTER MODEL 4TH DIGIT PEGIEM LINK CONFIG Fleetwood D SIR E amp C CCM UART GM HVAC Eldorado E SIR E amp C IPC UART GM Seville K SIR E amp C IPC UART OBD 11 2 GM 16 GM Body Systems Application 1988 2004 Page 20 Vehicle Coverage 3 Vehicle Coverage 1994 Chevrolet Passenger Cars BODYYIN system DATA ADAPTER Caprice B SIR E amp C UART GM Camaro F SIR E amp C UART OBD II C2 GM 16 Cavalier J SIR E amp C UART GM Beretta L SIR E amp C UART GM Lumina SIR E amp C UART GM Corvette Y SIR E amp C CCM UART OBD II C2 LTPWS GM 16 1994 BODY VIN DATA ADAPTER MODEE 4TH DIGIT SYSTEM LINK CONFIG Prizm S SIR Flash Codes GM P 1994 Oldsmobile Passenger Cars oe ae Cutlass Ciera A SIR UART GM Regency C SIR E amp C RAC UART OBD II C2 EOLM HVAC GM 16 Royale H SIR E amp C RAC UART OBD II C2 EOLM HVAC GM 16 Achieva N SIR E amp C UART GM Cutlass SIR E amp C UART GM GM Body Systems Application 1988 2004 Page 21 Vehicle Coverage 3 Vehicle Coverage 1994 Pontiac Passenger Cars
86. Chart section at the beginning of this chapter Read the following sections that describe how to select an adapter for use with the vehicle you are testing Body Systems Adapters The following table lists the adapters needed for use with the GM Body Systems Application software Refer to the remainder of this section for appropriate adapter selection and usage GM Body Systems Application 1988 2004 Page 61 Adapter and Adapter Cable Configurations 4 Getting Started BODY SYSTEMS ADAPTERS NEEDED ADAPTER DESCRIPTION P N ILLUSTRATION GM 12 14 Pin Used on most GM vehicle 12 pin DLCs 02001384 DLC Adapter prior to 1996 GM 12 12 Pin Used on 1990 Y body and 1991 L body 02001039 SIR Dual UART SIR systems Adapter 16 14 Pin OBDII Used for vehicles with the 16 pin DLC 02001969 ADL Adapter systems Adapter Cable configuration from 1994 to the present Controller Area Used for vehicles with the 16 pin DLC VIM Network VIM configuration from 1994 to the present 02003211 or 16 24 Pin DLC F 00K 108 115 Adapter Cable Cable 02001744 16 12 Pin Non Used for vehicles with the 16 pin DLC 02001575 OBD DLC configuration specifically designed to Adapter be used with GM 12 14 Pin DLC Adapter Should be used in combination with E amp C bus GM Geo Prizm Used on 1990 to 2000 Geo Prizm for 02001190 SIR Adapter SIR diagnostics T Isuzu Delco 3 Pin Used on 1990 to 1993 Geo Storm SIR 02
87. Cutlass Supreme SIR SDM B UART OBD II C2 Intrigue GM 16 GM Body Systems Application 1988 2004 Page 30 Vehicle Coverage 3 Vehicle Coverage 1997 Pontiac Passenger Cars BODY VIN DATA ADAPTER MOREL 4TH DIGIT DEDEEM LINK CONFIG Firebird F SIR SDM RSD UART OBD 11 2 Trans Am GM 16 Bonneville H SIR SDM RSD UART OBD 11 2 GM 16 Sunfire J SIR SDM RSD UART OBD 11 2 GM 16 Grand Am N SIR SDM RSD UART OBD 11 2 GM 16 Grand Prix SIR SDM RSD UART OBD 11 2 GM 16 1997 Saturn Passenger Cars BODY VIN DATA ADAPTER MOREL 4TH DIGIT DESEE LINK CONFIG SL SC SW Z SIR SDM RSD UART OBD 11 2 GM 16 1997 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MOREL 5TH DIGIT SAA TEM LINK CONFIG Chevrolet All Models C K SUV SIR SDM RSD UART OBD 11 2 GMC GM 16 GM Body Systems Application 1988 2004 Page 31 Vehicle Coverage 3 Vehicle Coverage 1997 Light Duty Trucks Vans MPVs Geo Tracker E J SIR SDM UART OBD II C2 GM 16 All Makes All Models G SIR SDM RSD UART OBD II C2 GM 16 Chevrolet All Models U X SIR SDM RSD UART OBD II C2 Pontiac GM 16 Oldsmobile Chevrolet All Models M L SIR SDM RSD UART OBD II C2 GMC GM 16 Chevrolet All Models S T SIR DDM 94 UART OBD II C2 Oldsmobile GM 16 GMC Chevrolet All Models C K S T SIR SDM RS UART OBD II C2 GMC GM 16
88. DATA VALUE 2 2 OHMS OHMS 0 TO 6 6 The SDM performs the resistance measurement test once each ignition cycle and verifies the ignition 1 amp 23 VLR voltages are within the normal ranges Then the SDM sources a constant current to the passenger deployment loop The SDM then measures the voltage across the deployment loop and converts the measured voltage value to a passenger deployment loop resistance value PASS FRONTAL SENSELO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 to 20 The SDM measures the voltage difference between passenger frontal high and passenger low and displays this voltage difference as Passenger VDIF PASS KEY A D NONE 0 to 255 The CCM reads the ignition key s PASS KEY CODE VATS to check against the key code stored in memory The A D counts are referenced in the vehicle service manual Each key to the vehicle should be within the ranges specified PASS KEY STATUS OK PROBLEM PASS KEY Status refers to the Vehicle Anti Theft System When the ECM recognizes the proper ignition key in the ignition PASS KEY Status reads OK If PASS KEY Status is not OK the tester displays PROBLEM and the ECM does not provide fuel to the engine PASS KEY TELLTALE OFF ON This parameter indicates the status of the Pass Key Lamp on the instrument panel PASS SENSELO VOLTS 0 to 20 The SDM measures the voltage of the passenger frontal low terminal voltage and displays it as Passenger Senselo PASS TEMP DIAL UNITS RANGE DEGREES C 1
89. DM G Class 2 OBD II C2 2004 Hummer BODY VIN DATA ADAPTER SERIES STH DIGIT LINK CONFIG Hummer N SIR SDM GF Class 2 OBD II C2 BCM GM Body Systems Application 1988 2004 Page 51 Vehicle Coverage 3 Vehicle Coverage 2004 Buick Cadillac Chevrolet GMC Oldsmobile Pontiac Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL YSTEM 9 5TH DIGIT Sys LINK CONFIG Aztec Rendezvous A B SIR SDM GF Class 2 OBD II C2 BCM Escalade Sierra C K SIR SDM D Class 2 OBD II C2 Silverado Suburban BCM Tahoe SRX E SIR SDM D320 Class 2 OBD II C2 BCM Express Savana G H SIR SDM GF Class 2 OBD II C2 BCM Astro Safari L M SIR SDM G Class 2 OBD II C2 BCM Blazer Bravada S T SIR SDM GF Class 2 OBD II C2 Envoy Jimmy BCM Ranier S 10 Sonoma Trailblazer Canyon Colorado S T SIR SDM GF Class 2 OBD 11 2 Montana Silhouette UNIX SIR SDM D Class 2 OBD II C2 Venture BCM 2004 Saturn SUVs BODY VIN DATA ADAPTER MOREN 4TH DIGIT PATEN LINK CONFIG VUE Z SIR SDM D Class 2 OBD II C2 2004 Chevrolet GMC Medium Duty Trucks BODY VIN DATA ADAPTER SERIES STH DIGIT OLEM LINK CONFIG D C Series SIR Class 2 OBD II C2 C T Series SIR Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 52 4 GETTING STARTED This chapter provides information to assist you in operating
90. Data List Parameters PARAMETERS B Parameters beginning with the letter B BACKUP WARNING OFF ON This discrete output turns ON if the Warning Lamp feedback does not match the requested state BATTERY VOLT VOLTS 0 18 1 The scan tool displays the value of the battery voltage BATTERY VOLTAGE UNITS RANGE This parameter indicates the battery voltage available to the CCM BCM PROM I D BCM Prom I D is displayed as a number and is used with service publications to verify that the correct prom is installed in the vehicle BLOWER COMMAND VOLTS 0 0 to 18 6 VOLTS 0 0 to 25 5 Blower Command is the desired HVAC blower voltage commanded by the BCM to the HVAC power module BLOWER MOTOR PWM AUX BLWR MTR PWM 0 to 98 Speed of the blower motor auxiliary blower motor BRAKE FLUID LVL BRAKE FLUID INPUT OK LOW ON OFF The Brake Fluid Level Brake Fluid Input switch is an input to the BCM IPC that is used to control the red brake warning lamp This input is the brake pressure switch on NON ABS cars BRAKE PRESSURE OK LOW Brake Pressure is the low brake pressure warning switch for the ABS system The BCM uses this information to control the anti lock light GM Body Systems Application 1988 2004 Page 187 Parameters Listed Alphabetically B Data List Parameters PARAMETERS C Parameters beginning with the letter C C C BRAKE SW RELEASED DEPRESSED The Brake Switch sign
91. Eldorado E SIR E amp C IPC UART GM Deville K SIR E amp C IPC UART GM Seville K SIR E amp C IPC UART GM GM Body Systems Application 1988 2004 Page 23 Vehicle Coverage 3 Vehicle Coverage 1995 Chevrolet Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT XD LINK CONFIG Caprice B SIR E amp C UART GM Camaro F SIR E amp C UART OBD II C2 GM 16 Cavalier J SIR IPC E amp C UART OBD II C2 GM 16 Corsica L SIR E amp C UART GM Lumina SIR E amp C UART GM Monte Carlo Corvette Y SIR E amp C CCM UART OBD II C2 LTPWS GM 16 1995 Geo Passenger Cars BODY VIN DATA ADAPTER MOREY 4TH DIGIT PUDE LINK CONFIG Metro M SIR UART OBD II C2 GM 16 Prizm S SIR UART GM P 1995 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM Q 4TH DIGIT SYS LINK CONFIG Cutlass Ciera A SIR UART GM Regency SIR E amp C UART OBD II C2 HVAC GM 16 Aurora G SIR E amp C RAC UART OBD 11 2 DIC HVAC IPC GM 16 Eighty Eight H SIR E amp C RAC UART OBD 11 2 HVAC GM 16 Achieva N SIR E amp C UART OBD II C2 GM 16 Cutlass Supreme SIR E amp C UART GM GM Body Systems Application 1988 2004 Page 24 Vehicle Coverage 3 Vehicle Coverage 1995 Pontiac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT LINK CONFIG Firebird F SIR E amp C UART
92. F the heater solenoid F2 Solenoid 3 Commands the HVAC ECU to energize ON or de energize OFF the solenoid Solenoid 4 Commands the HVAC ECU to energize ON or de energize OFF the air inlet solenoid F4 Solenoid 5 Commands the HVAC ECU to energize ON or de energize OFF the A C solenoid Fl Misc Tests F0 Mix Motor Commands the air temperature actuator towards its maximum 255 counts ON or to its minimum 0 counts OFF F1 Blower Motor Controls the blower motor to its maximum speed ON or OFF F2 A C LED Turns LED in A C switch button ON or OFF Rear Defogger Commands the Rear Defogger ON or OFF F4 A C Request Issues a request to the PCM to turn the A C ON or OFF GM Body Systems Application 1988 2004 Page 131 System Test Modes 5 Selecting and Operating Test Modes The following controls are available on 2000 2002 C K Light Trucks equipped with Auto HVAC FO Misc Tests F0 Inst OAT Updt The outside air temperature raw input data is updated Fl Rear Defogger Controls the Rear Defogger ON or OFF F2 A C Request A C is requested either ON or OFF F3 Recirc Mode The Recirculation Mode light is turned ON or OFF and the recirculation door is driven to the recirculation position e F4 Outside Air The Recirculation Mode light is turned ON or OFF and the recirculation door is driven to the Outside Air position Fl Mtr Act T
93. FIG Park Avenue C HVAC Class 2 OBD II C2 SIR SDM RCL2 Riviera G SIR SDM RSD UART OBD II C2 GM 16 Le Sabre H SIR SDM RSD UART OBD II C2 GM 16 Skylark N SIR SDM RSD UART OBD II C2 GM 16 Regal Auto HVAC Class 2 OBD II C2 SIR SDM RSD UART OBD 11 2 GM 16 1997 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT DECEM LINK CONFIG Eldorado E SIR SDM RCL2 Class 2 OBD II C2 Deville K SIR SDM RCL2 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 29 Vehicle Coverage 3 Vehicle Coverage 1997 Chevrolet Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SYSTEM LINK CONFIG Camaro F SIR SDM RSD UART OBD 11 2 GM 16 Cavalier J SIR SDM RSD UART OBD II C2 GM 16 Malibu N SIR SDM RSD UART OBD II C2 GM 16 Lumina SIR SDM RSD UART OBD II C2 Monte Carlo GM 16 Corvette Y SIR SDM RSD UART OBD 11 2 GM 16 1997 BODY VIN DATA ADAPTER 4TH DIGIT PARTEM LINK CONFIG Metro M SIR SDM I UART OBD II C2 GM 16 Prizm LSI S SIR FLASH GM P CODE 1997 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SERIEM LINK CONFIG Aurora G SIR SDM RSD UART OBD II C2 GM 16 Eighty Eight LSS H SIR SDM RSD UART OBD II C2 Regency GM 16 Achieva Cutlass N SIR SDM RSD UART OBD II C2 GM 16
94. GE MISSING OR MALFUNCTIONING message is displayed If it is try installing another master cartridge MASTER CARTRIDGE MISSING OR MALFUNCTIONING MASTER CARTRIDGE IS MISSING OR MALFUNCTIONING Most Likely Cause Master cartridge is not installed Other Possible Causes Dirty contacts on the master cartridge connector Master cartridge is malfunctioning Recommendations e Verify that a master cartridge is installed Clean contacts on master cartridge connector with alcohol Try a different master cartridge GM Body Systems Application 1988 2004 Page 173 A If You re Having a Problem WRONG DISPLAY AFTER POWER IS APPLIED Most Likely Cause Wrong master cartridge is installed Other Possible Causes Master cartridge is malfunctioning Tester is malfunctioning Recommendations Verify that the cartridge is installed in the bottom slot of the tester and that there isn t a master cartridge in the top slot Try another cartridge Try another selection from the MSC menu Remove the master cartridge and perform the tester Self test refer to the tester OPERATOR S MANUAL DATA NOT BEING RECEIVED WAITING FOR DATA NO DATA RECEIVED FROM BCM Most Likely Cause Ignition switch is not in RUN Other Possible Causes Tester cable is not plugged securely into DLC e Cable is not plugged securely into tester Serial data link 1s shorted or open circuit
95. GIT SYSTEM LINK CONFIG Grand Prix E amp C IPC UART GM Grand Prix LE Grand Prix SE 1988 Light Duty Trucks BODY VIN DATA ADAPTER MODEL smppigrpy BODY LINK CONFIG Chevrolet GMC All Models C K E amp C UART GM GM Body Systems Application 1988 2004 Page 8 Vehicle Coverage 3 Vehicle Coverage 1989 VEHICLE COVERAGE 1989 Buick Passenger Cars a ee Electra Limited Electra C E amp C UART GM Park Ave Reatta Riviera E E amp C BCM UART GM Skylark N E amp C UART GM Regal Ww E amp C IPC UART GM 1989 Cadillac Passenger Cars LM OE EE Deville Fleetwood C SIR UART GM Fleetwood 60 Special DERM Eldorado E BCM UART GM Seville BCM UART GM Allante V E amp C UART GM 1989 Oldsmobile Passenger Cars un SOREN sev PAE Regency C E amp C UART GM Toronado E E amp C BCM UART GM Cutlass Supreme E amp C IPC UART GM GM Body Systems Application 1988 2004 Page 9 Vehicle Coverage 3 Vehicle Coverage 1989 Pontiac Passenger Cars HF I DATA ADAPTER Bonneville H E amp C UART GM Sunbird J E amp C UART GM Grand Prix E amp C IPC UART GM 1989 Light Duty Trucks BODY DATA ADAPTER MAKE MODEL 5TH SYSTEM DIGIT LINK CONFIG Chevrolet GMC All Models C K UART GM 1990 VEHICLE COVERAGE 199
96. General Motors Body Systems Application 1988 2004 7 Bosch Group Vetronix Corporation Copyright 2007 Manual P N 08002833 Rev B Tech 1A9 and Mastertech are registered trademarks of Vetronix Corporation Printed in USA 05 07 Tech 19 This entire document and all information contained herein are proprietary confidential and exclusive trade secret property of Vetronix Corporation and shall not be reproduced duplicated or copied in whole or in part or made available to any person firm or corporation without the prior written permission of Vetronix Corporation Some Things You Should Know WARNING Exhaust Gas When performing any checks with the engine running an enclosed space such as a garage be sure there is proper ventilation Never inhale exhaust gases they contain carbon monoxide a colorless odorless extremely dangerous gas which can cause unconsciousness or death WARNING Avoiding Injury AN Always set the parking brake securely and block the drive wheels before performing any checks or repairs on the vehicle Important Please Read The Tech 1 Tech 1A and MTS 3100 are designed for use by trained service personnel only They have been developed for the sole purpose of diagnosing and repairing automotive electronic systems With the help of the tester the information presented in this manual and the appropriate automotive service manual qualified per
97. IGHT LEVEL UNITS RANGE The tester displays the percentage of full intensity of the interior lights in the instrument cluster The level only changes when the headlights or parking lights are on INTER LAMP REQ ACTIVE INACTIVE The interior lamp request information refers to the interior lamp request circuit ACTIVE displays momentarily when the driver turns the interior lamp ON and the inadvertent power relay is ON INACTIVE displays when the inadvertent power relay is ON INTER LIGHT MODE STATES NONE INTERIOR ILLUM ENTRY EXIT LIGHTING REMOTE ILLUM The interior lighting mode output displays the name of the feature that is commanding the interior lights to turn ON NONE displays when the interior lights are not commanded to turn ON INTERIOR displays when the dome lamp switch commands the interior lights to turn ON ILLUM ENTRY EXIT LIGHTING REMOTE ILLUM display when the respective mode commands the interior lighting to turn ON INTERIOR LAMP OFF ON This is the RAC module s command to the interior lamp control relay during illuminated entry operation Viewing the RAC data is not possible when the ignition switch is off IPC PROM I D 0 to 65535 The IPC PROM is displayed as a number and is used with service publications to verify that the correct PROM is installed in the vehicle JULIAN DATE OF BUILD The scan tool displays a 3 digit number An example would be 723 723 is July 23 which is
98. IGURE 5 17 SIR Codes 1993 99 GEO Prizm 8 CLEAR CODES If you select F1 CLEAR CODES you are asked to press to clear all SIR DTCs that are present Press QY 9 if you do not want to clear the codes 9 f you press Clearing SIR DTC s flashes for 9 seconds while codes are being cleared When code clearing is finished the warning lamp flashes GM Body Systems Application 1988 2004 Page 136 System Test Modes 5 Selecting and Operating Test Modes NOTE Do not press before the warning lamp flashes or the codes do not get cleared 10 Press 2A to return to the Select System menu ACTIVE KEYS Select Flash Codes G Select Clear Codes Continue test procedure Confirm that you wish to clear trouble codes o Do not clear trouble codes Return to Select System menu GM Body Systems Application 1988 2004 Page 137 System Test Modes 5 Selecting and Operating Test Modes SIR SYNCHRONIZATION TEST The Synchronization test is performed when replacing the SDM module or when replacing the BCM DIM or IPC module Use the following chart to identify vehicles that support the Synchronization test T BODY VIN MAKE MODEL YEAR BCM A B Pontiac Aztec 2001 2004 A B Buick Rendezvous 2001 2004 C Buick Park Avenue 1997 2004 J Chevrolet Cavalier 2000 2004 J Pontiac Sunfire 2000 2004 N Chevrolet Malibu
99. J of the DLC to communicate with the tester Refer to the charts on the following pages to determine which vehicles need to have the E amp C communication bus wired to the DLC GM Body Systems Application 1988 2004 Page 143 System Test Modes 5 Selecting and Operating Test Modes The E amp C bus circuit can be found in Section 8A of the factory GM Service Manual Any and all jumpers or wiring installed in the vehicle must be temporary and removed when testing is complete NOTE The 16 12 Pin Non OBD II DLC adapter and 16 Pin Data Link connector DLC must be used to communicate with the E amp C communication bus system in GM vehicles from 1995 present E amp C FUNCTION TESTS BY MODEL YEAR E amp C Function Tests for Model Year 1988 E amp C FUNCTION TESTS FOR MODEL YEAR 1988 E amp C CNTRL CONN VIN DIV RCVR HEAD EQUAL TAPE CD HVAC PHONE TO DLC PASSENGER VEHICLES E 3 YES 4 YES N 4 NO 2 YES Ww 3 YES 4 YES TRUCKS NO NO Requires Pin J be connected tothe E amp C Bus This should be a temporary connection DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 144 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1989 E amp C FUNCTION TESTS FOR MODEL YEAR 1989 E amp C CNTRL CONN RCVR HEAD EQUAL TAPE o gt fone PHONE TO D
100. L TAPE PHONE CD HVAC SPK Bici PASSENGER VEHICLES icicle sl AHN 3 2001 2001 YES HHEHHEBERIHEE GEN2 2001 2001 2001 ks 1 2 S S m m m m o o o o lt lt lt m m m n o 2001 The 2001 Series is a new family of radios introduced in the 1994 model year NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 150 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1995 E amp C FUNCTION TESTS FOR MODEL YEAR 1995 E amp C MONIT SNAP RADIO CNTRL CON SHOT RCVR HEAD RENS N TO DLC PASSENGER VEHICLES DEESSET RENTA ee 8 E73 EEE H gt Se 2001 2001 4 EE pes roo Bea ELE IS ips EE us Em D p qnc e ENIM EE EET 3 2001 2001 2 4 NENNEN pepe E CR E TRUCKS Ps ree ser ce qi porro cf sepe NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection 2001 The 2001Series is a new family of radios introduced in the 1994 model year DIVISION 1CHEVROLET 2PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC
101. LC PASSENGER VEHICLES TRUCKS ck me J l ff xo NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection HVAC control for Oldsmobile only has Fan and Set Temperature Control Mode Control is not DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 145 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1990 E amp C FUNCTION TESTS FOR MODEL YEAR 1990 E amp C CNTRL CONN RCVR HEAD EQUAL TAPE HVAC PHONE TO DLC PASSENGER VEHICLES TRUCKS ck mk I I no NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection HVAC control for Oldsmobile only has Fan and Set Temperature Control Mode Control is not DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE 4 BUICK 6 CADILLAC 7 GM CANADA GM Body Systems Application 1988 2004 Page 146 System Test Modes 5 Selecting and Operating Test Modes E amp C Function Tests for Model Year 1991 E amp C FUNCTION TESTS FOR MODEL YEAR 1991 E amp C CNTRL CONN RCVR HEAD EQUAL TAPE HVAC PHONE TO DLC PASSENGER VEHICLES TRUCKS NO NO Requires Pin J be connected to the E amp C Bus This should be a temporary connection DIVISION 1 CHEVROLET 2 PONTIAC 3 OLDSMOBILE
102. M may be displayed briefly Communication reestablishes automatically within a few seconds Mode F4 BCM TESTS To run the BCM tests do the following 1 Select F4 BCM TESTS from the Select Mode menu 2 Select the desired control function from the BCM Tests Selection menus below GM Body Systems Application 1988 2004 Page 112 System Test Modes 5 Selecting and Operating Test Modes OLDSMOBILE BCM TESTS MENU F0 MIX DOOR MAXIMUM Step 3a F1 A C CLUTCH Step 3a F2 CHIMES F1 CHIME 1 Step 3a F2 CHIME 2 Step 3a F3 FOG LAMPS Step 3a F4 COURTESY LAMP Step 3a F5 GENERATOR TERMINAL Step 3a F0 OUTPUTS F0 MIX DOOR MAXIMUM Step 3a F1 A C CLUTCH Step 3a F2 CHIMES F1 CHIME 1 Step 3a F2 CHIME 2 Step 3a F3 LAMPS F0 HEAD LAMPS Step 3a F1 HI LO BEAMS Step 3a F2 TWILIT PARK Step 3a F3 DRL RELAY Step 3a F4 FOG LAMPS Step 3a F5 COURTESY LAMP Step 3a F4 DAB RELAY Step 3a F5 GENERATOR I TERMINAL Step 3a F1 OVERRIDES Step 3a F0 BLOWER PULSE WIDTH MODULATION Step 3b F1 VACUUM FLORESCENT DIMMING Step 3c Reatta only Riviera only 3 When the test is selected the corresponding BCM data list parameter is displayed A three character abbreviation at the end of line 2 indicates the test selected The Output Tests have only two states activated or deactivated The Override Tests have variable control Press the key to tur
103. N E amp C component is malfunctioning Recommendations e Verify that ignition is in RUN Check for E amp C bus shorted to ground or battery Refer to service manual for component troubleshooting REPAIR SERVICE If you suspect that you have a problem with your unit read the operating instructions carefully to ensure that you are operating the unit properly Avoid the inconvenience of returning a non defective unit for repair It is advisable to exercise the Self test procedure outlined in this manual to determine if a problem exists If it is determined that a problem exists or if you have any questions please call 1 800 321 4VTX USA GM Body Systems Application 1988 2004 Page 178 B DATA LIST PARAMETERS The tester is capable of displaying a wide variety of parameters in the following modes F0 DATA LIST See Mode F0 DATA LIST on page 92 FI SDL MONITOR See Mode F1 SDL MONITOR on page 94 F3 SNAPSHOT See Mode F3 SNAPSHOT on page 100 F5 VIN amp OPTION CONTENT See Mode F5 VIN and Option Content on page 114 Each system ECU sends the tester information regarding the state of the ECU and associated sensors The tester translates and displays this information in the form of diagnostic data parameters selected by the service technician This section describes those parameters There are two basic types of diagnostic data parameters discrete and analog Discrete parameters are bits of inf
104. N IGNITION ON THEN PRESS CLEARING ENTER LTPWS DTC S ENTER WAITING FOR ECM IGNITION SERV LTPWS LAMP WILL FLASH DTC SEE SERV MANUAL ENTER ENTER DTC 12 WILL PRECEDE ANY CODE STORED EXIT Flashes for ENTER 6 Seconds SERV LTPWS AND WAITING FOR LOW TIRE LIGHTS ECM IGNITION WILL REMAIN ON TILL IGNITION Y CLEAR DIAGNOSTIC IS CYCLED TROUBLE CODES OFF AND ON YES NO CONFIRMING DTC CLEARED EXIT YES FIGURE 5 10 LTPWS Codes GM Body Systems Application 1988 2004 Page 119 System Test Modes 5 Selecting and Operating Test Modes REMOTE ACCESSORY CONTROL RAC The Remote Accessory Control function allows you to test interior exterior and security lamps as well as exercise relays associated with the RAC system Also the tester allows you to program a new key tag identification signal also known as a Vehicle Access Code for vehicles equipped with the RAC system Vehicles equipped with the RAC system are 1991 95 Buick C cars 1991 95 Oldsmobile C cars 1992 95 Pontiac H bodies 1995 Buick G cars 1994 95 Buick H cars 1994 95 Oldsmobile H cars and 1995 Oldsmobile G cars NOTE EH The tester can only test RAC Levels 2 and 3 Mode F4 RAC Tests To run the Mode F4 RAC Tests do the following 1 Select F4 RAC TESTS from the Select Mode menu 2 There are three types of RAC tests Lamps and Relays see step 3 Programming RAC Key Tags see
105. ODE STORED INFL REST LAMP WILL FLASH SIR TROUBLE CODES SEE SERV MAN FIGURE 5 16 SIR Codes 1990 Y Body GM Body Systems Application 1988 2004 Page 134 System Test Modes 5 Selecting and Operating Test Modes Mode F0 Flash Codes 1993 99 Geo Prizm Mode F1 Clear Codes 1993 99 Geo Prizm The F0 Flash Codes F1 Clear Codes test is available for Geo Prizm vehicles only The Geo Prizm SIR adapter GM P N 3000015 Vetronix P N 02001190 is required to diagnose SIR systems on the Geo Prizm The SIR system displays DTCs by flashing the AIR BAG indicator lamp which is located in the Instrument Panel Cluster IPC Each DTC displayed consists of a number of flashes which represent the first digit of the DTC followed by a 2 5 second pause then a number of flashes which represent the second digit of the DTC Each DTC is flashed once before moving on to the next one After all DTCs have been displayed the entire sequence is repeated To clear DTCs do the following Turn the ignition OFF 2 Select F1 Clear Codes from the Select Mode menu 3 Turn the ignition ON and press 19 9 To use Flash Codes and Clear Codes for 1993 1999 Geo Prizm do the following 1 Select the S R from the Select System menu by pressing You are then prompted to Always do SIR diagnostic system check in Service Manual Section 9J A 2 Press to continue 3 From the Select Mode menu press to flash codes or Gp to clear codes fro
106. ON steady and the Passlock system functions The security telltale goes to FLASHING mode momentarily and then displays ON steady for approximately 10 minutes if the vehicle is in the lockout cycle THEFT STATE STATES OFF IDLE DISARMED READY TO ARM ARM INITIATED ARM DELAY ALARM ARMED OFF displays when ignition 1 is ACTIVE and all of the doors including the rear glass are closed DLE displays when ignition 1 is ACTIVE and any door or the rear glass is open e DISARM displays when ignition 1 goes from ACTIVE to INACTIVE and all of the doors and rear glass are closed READY displays when ignition 1 goes from ACTIVE to INACTIVE and any door or the rear glass are open ARM INITIATE displays when ignition 1 is INACTIVE any door is open and the doors are locked ARM DELAY displays when ignition 1 is INACTIVE and the vehicle is armed with the doors and rear glass closed ARMED displays when the vehicle is in the ARM DELAY state and all of the inputs are monitored in order to determine whether to alarm or disarm the system In the ARM DELAY state ignition 1 is INACTIVE and all of the doors and the rear glass are closed ALARM displays when the vehicle is in the ARMED STATE and the system detects a violation on any of the inputs being monitored GM Body Systems Application 1988 2004 Page 241 Parameters Listed Alphabetically B Data List Parameters TR CNTRL STAT SW STATES The Transmission Status Switch
107. ONE COMPACT DISC TST SELECT FUNCTION EJECT A TRANSMIT FIGURE 5 30 Example of Compact Disc Test GM Body Systems Application 1988 2004 Page 166 System Test Modes 5 Selecting and Operating Test Modes Submode F5 HVAC Tests SELECT MODE Y F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F5 HVAC HVAC HEAD TEST SELECT FUNCTION HVAC MODE INC HVAC HEAD TEST SELECT FUNCTION FAN SPEED A INC y DEC HVAC HEAD TEST SELECT FUNCTION HVAC SET TEMP A INC y DEC MORE HVAC TESTS FIGURE 5 31 Example of E amp C HVAC Control Test GM Body Systems Application 1988 2004 Page 167 System Test Modes 5 Selecting and Operating Test Modes Submode F6 Cellular Phone Tests SELECT MODE Ay F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F4 COMPACT DISC F6 CELL PHONE CELL PHONE TEST SELECT FUNCTION SET 987 xxxx A TRANSMIT CELL PHONE TEST SELECT FUNCTION SET xxx xxx3 A TRANSMIT CELL PHONE TEST SELECT FUNCTION SET xxx 654x A TRAMSMIT FIGURE 5 32 Example Of Cellular Phone Test GM Body Systems Application 1988 2004 Page 168 System Test Modes 5 Selecting and Operating Test Modes Mode F5 Speaker Test The E amp C SPEAKER TEST allows you to test each of the vehicle s speakers independently In addition you can use the SPEAKER TEST to evaluate the audio amplifiers for each of the speakers To do this the tester sends th
108. Page 163 System Test Modes 5 Selecting and Operating Test Modes Submode F1 Control Head Test Submode F2 Remote Equalizer Test SELECT MODE Y F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F0 RECEIVER F1 CONTROL HEAD F2 REMOTE EQUAL RADIO HEAD TEST DISPLAY CHECK IN PROGRESS REMOTE EQUAL TST DISPLAY CHECK IN PROGRESS Time display toggles Equalizer display between 8 08 and 12 58 segments ramp between minimum and maximum Stereo indicator cycles on and off Volume indicator ramps up and down FIGURE 5 28 E amp C Control Head and Remote Equalizer Tests GM Body Systems Application 1988 2004 Page 164 System Test Modes 5 Selecting and Operating Test Modes Submode F3 Cassette Tape Tests SELECT MODE Y F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F0 RECEIVER F3 TAPE PLAYER F5 HVAC CASSETTE TEST SELECT FUNCTION AUDIO SOURCE A TAPE y RADIO CASSETTE TEST SELECT FUNCTION PLAY A FWD STOP CASSETTE TEST SELECT FUNCTION PLAY A REV y STOP MORE CASSETTE TAPE TESTS FIGURE 5 29 Example of Cassette Tape Tests GM Body Systems Application 1988 2004 Page 165 System Test Modes 5 Selecting and Operating Test Modes Submode F4 Compact Disc Tests SELECT MODE Ay F4 E amp C CONTROL F5 SPEAKER TEST SELECT COMPONENT F4 COMPACT DISC F6 CELL PHONE COMPACT DISC TST SELECT FUNCTION AUDIO T
109. Page 58 Perform Vehicle and or System Selection 4 Getting Started 3 The model year selection screen defaults to the current year The or arrow key scrolls through the available model years NOTE EH Holding down the or arrow key results in fast scrolling SELECT Scrolling Arrows oth The brackets to the right of the model year represent the 1 year identification VIN digit year identifier for easier model Vehicle 10th VIN Digit Model Year identifier When the correct model year appears on the screen press the key to advance the software to the next vehicle selection screen Quick keys are also available for entering the model year From the SELECT MODEL YEAR screen select the last two digits of the model year from the key pad to advance to the next vehicle selection screen for example pressing and selects 1992 Pressing returns the software to the SELECT MODEL YEAR screen SELECTING THE VEHICLE USING THE VIN 1 Select either F0 Passenger Car or F1 Light Truck F0 Passenger Car After selecting the passenger car you are asked to select the 4th digit of the VIN code the vehicle s body type The tester displays all body VIN codes available for the year selected Press or Qe to scroll through the list until the desired VIN code flashes Press to initialize communication F1 Light Truck After selecting light truck you are asked to select the 5th digit on the
110. R UNLCK RLY STATES The passenger door unlock relay output refers to the command state of the passenger door unlock relay coil ON displays when the BCM commands the passenger door unlock relay coil to turn ON ON displays momentarily when you press the RFA transmitter unlock button twice within 3 seconds OFF displays when you do not press the RFA transmitter unlock button twice within 3 seconds or if you use the passenger power door unlock button PAS DR UNLOCK INP ACTIVE INACTIVE The passenger door unlock input information refers to the operation of the following items Passenger door s unlock function Passenger door unlock relay ACTIVE displays whenever the passenger door unlock relay coil is energized An energized coil allows current to flow to the lock unlock motors INACTIVE displays whenever the passenger door unlock relay 1s not energized This condition prevents current from reaching the lock unlock motors PASS 36 ULR UNITS RANGE This parameter monitors the 36 volt reserve power signal from the DERM to each airbag deployment loop The reserve power ensures that there is sufficient power to deploy the airbag if ignition power is low or lost on an accident If the voltage falls below or exceeds the normal operating range specified above a fault is set GM Body Systems Application 1988 2004 Page 224 Parameters Listed Alphabetically B Data List Parameters PASS FRONTAL RESIST UNITS TYPICAL
111. RECEIVED FROM IPC OR SIR TROUBLE CODES TROUBLE CODES WAITING FOR DATA OR WAITING FOR DATA NO DATA RECEIVED NO DATA RECEIVED FROM IPC FROM SIR Most Likely Cause The system displayed on the screen is not installed in this vehicle Other Possible Causes The system displayed on the screen is malfunctioning gnition switch has been turned OFF e Cable is not plugged securely into tester Recommendations e Verify that this vehicle contains the system displayed on the screen e Verify that ignition is in RUN Verify that tester is plugged securely into DLC e Check for serial data link shorted or open E amp C COMPONENTS MESSAGES 1 E amp C COMPONENTS E amp C COMPONENTS E amp C BUSS FAULT Alternating VERIFY E amp C BUS CHECK FOR OPEN OR with IS INSTALLED SHORTED BUS ON VEHICLE The tester queries all possible components and cannot get a response After three seconds the following screens are displayed Most Likely Cause This vehicle does not contain E amp C components Other Possible Causes gnition switch is not in RUN Tester cable is not plugged in securely E amp C bus is not connected to pin J of DLC E amp C components are malfunctioning GM Body Systems Application 1988 2004 Page 176 A If You re Having a Problem Recommendations e Verify that ignition is in RUN Verify that the tester cable is plugged securely into the DLC Check for p
112. SELO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 to 20 The SDM measures the voltage at the RH side air bag low terminal 14 and displays this values as RH side Air Bag Senselo RH SIDE AIR BAG VDIF TYPICAL DATA VALUE 4 10 MILLIVOLTS MILLIVOLTS 0 to 500 The SDM measures the voltage difference between passenger side high and passenger side low and displays this voltage difference as RH Side Air Bag VDIF RIDE STATUS SWITCH OFF ON This parameter displays the Ride Status on the IPC The tester displays ON when the key is pressed and OFF when the key is released RIGHT TURN SIGNAL ON OFF The BCM uses the right turn signal input in order to determine the state of the right turn signal ON displays when the right turn signal switch engages This commands the right turn signal lamps to illuminate OFF displays when the right turn signal switch does not engage or the turn signal lamps do not illuminate The BCM monitors the vehicle speed input for activation of the turn signal reminder chime feature The scan tool display alternates between ON and OFF as the turn signal flashes GM Body Systems Application 1988 2004 Page 234 Parameters Listed Alphabetically B Data List Parameters RR DEFOG SW STATES The state of the LED in the rear defog switch RR DEFROST BTTN OFF ON The state of the Rear Defrost button ON is pressed OFF is released RR PASS DRI LIFT ACTIVE INACTIVE The rear passen
113. SIR SDM RSD UART OBD II C2 GM 16 Cutlass Supreme W SIR SDM RSD UART OBD II C2 Intrigue GM 16 GM Body Systems Application 1988 2004 Page 33 Vehicle Coverage 3 Vehicle Coverage 1998 Pontiac Passenger Cars BODY VIN DATA ADAPTER MOREL 4TH DIGIT LINK CONFIG Firebird F SIR SDM RSD UART OBD 11 2 Trans Am GM 16 Bonneville H SIR SDM RSD UART OBD 11 2 GM 16 Sunfire J SIR SDM RSD UART OBD 11 2 GM 16 Grand Am N SIR SDM RSD UART OBD 11 2 GM 16 Grand Prix SIR SDM RSD UART OBD 11 2 GM 16 1998 Saturn Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SEPEEM LINK CONFIG SL SC SW Z SIR SDM RSD UART OBD 11 2 GM 16 1998 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MOREE 5TH DIGIT PERI LINK CONFIG Chevrolet All Models C K L M S T SIR SDM RS UART OBD II C2 GMC GM 16 GM Body Systems Application 1988 2004 Page 34 Vehicle Coverage 3 Vehicle Coverage 1998 Light Duty Trucks Vans MPVs Geo Tracker E J SIR SDM UART OBD II C2 GM 16 Chevrolet All Models G SIR SDM RSD UART OBD II C2 GMC GM 16 Chevrolet All Models U X SIR SDM U UART OBD II C2 Pontiac GM 16 Oldsmobile Chevrolet All Models C K SUV SIR SDM RSD UART OBD II C2 GMC M L GM 16 Chevrolet All Models S T SUV SIR SDM RSD UART OBD II C2 Oldsmobile GM 16 GMC Chevrolet E
114. TING THE VEHICLE MAKE When selecting various GM vehicles the tester displays a Select Make menu Press to select Chevrolet to select Pontiac to select Oldsmobile GJ to select Buick or to select Cadillac FIGURE 4 4 Example of Selecting a 1992 Cadillac C Body Vehicle SELECT MODEL YEAR 2004 4 Ay ENTER Press O GE or use to select correct model year SELECT VEHICLE F0 C K TRUCK F1 PASS CAR FLASHING SELECT 4TH DIGIT OF VIN CODE SELECT MAKE F3 OLDSMOBILE F4 BUICK F6 CADILLAC ACDEFHJKMNPVWY FLASHING SELECT 4TH DIGIT OF VIN CODE SELECT SYSTEM Y F0 BCM F8 SIR F9 E amp C ACDEFHJKMNPVWY GM Body Systems Application 1988 2004 Page 60 Adapter and Adapter Cable Configurations 4 Getting Started ACTIVE KEYS GJ Select year do Scroll to the right Scroll to the left Confirm displayed information is correct Advance to next display Select previously selected vehicle EXIT Return to previous display ADAPTER AND ADAPTER CABLE CONFIGURATIONS This section describes the adapters and other hardware needed for use with the various vehicles covered in the GM Body Systems Application Software The proper Data Link Connector DLC adapter cable and additional hardware for Class 2 network communications are needed to connect to the vehicles listed in the Vehicle Application
115. Tester Key Functions NO Answer the tester questions and scroll through data parameters Terminate operating modes and return to previous menu Scroll the menu display or control a function ON Halt automatic menu scrolling then scroll menu display or control a function OFF Select operating modes and command special functions 00 Enter the vehicle year and model Numeric keys also designate trouble codes while in Snapshot mode G3 for sec Ifyou are using a Tech 1 activate RS232C Cartridge menu if installed Toggle between English Metric F8 Print data in Data List or Snapshot mode if used with optional RS232C I F Cartridge and printer Enter designated trouble code number Confirm that action has been performed GM Body Systems Application 1988 2004 Page 86 Vehicle Identification Number VIN 4 Getting Started VEHICLE IDENTIFICATION NUMBER VIN If you are in doubt about the vehicle you are testing refer to the Vehicle Identification Number VIN Use the chart below to interpret the VIN BODY CHASSIS TYPE 5th DIGIT for light duty trucks and APV s TYPICAL VIN 1 4 4 6158 1 7 1 6 0 7 9 33 VIN CHARACTER 1 2 3 45167 8 9 101112 1314151617 VEHICLE MAKE BODY TYPE ENGINE CODE MODEL YEAR 3rd Digit 4th Digit 8th Digit 10th Digit 1 Chevrolet 1988 to present J 1988 2 Pontiac Passenger K
116. Tests have only two states ACTIVATED or DEACTIVATED The Override Tests have variable control but can only be controlled ON or OFF by the tester The Blower is turned ON to maximum with the key and OFF with the key The Program Number is set to the hottest setting with the key and coolest with the key ABBREVIATIONS FOR OUTPUTS AND OVERRIDES MD1 Mix Door 1 MD2 Mix Door 2 VS1 Vacuum Solenoid 1 VS2 Vacuum Solenoid 2 VS3 Vacuum Solenoid 3 VS4 Vacuum Solenoid 4 A C Air Conditioner Clutch RDF Rear Defrost ARQ Ambient Request BPW Blower Pulse Width PGN Program Number AMB Ambient Temperature Update 4 Press Ap to return to the HVAC Tests menu When you are finished with the HVAC Tests press to return to the Select Mode menu F4 OBD Controls While operating controls for HVAC system components a data list is displayed so the user can monitor all parameters during the operation of a specific control During most OBD controls the entire data list 1s displayed but a small number of selected controls may display only a screen showing the state of the controlled component There are three possible states for a component while exercising OBD Controls NONE N A no command has been issued by the scan tool This is the default state and for most controls it is also the state achieved by pressing yqyp the first time before exiting the control ON the scan tool turns the component ON or to it
117. UNTS 0 to 255 Actual position of the auxiliary mix door AUX MIX DR CMD UNITS RANGE The position of the auxiliary mix door as commanded by the A C ECU AUX MIX DR MAX COUNTS 0 to 255 The maximum travel range of the door when it is driven to its stops following a recalibration AUX MIX DR MIN COUNTS 0 to 255 The minimum travel range of the door when it is driven to its stops following a recalibration AUX MODE DR ACT UNITS RANGE Actual position of the auxiliary mode door AUX MODE DR CMD COUNTS 0 to 255 The position of the auxiliary mode door as commanded by the A C ECU AUX MODE DR MAX COUNTS 0 to 255 The maximum travel range of the door when it is driven to its stops following a recalibration AUX MODE DR MIN COUNTS 0 to 255 The minimun travel range of the door when it is driven to its stops following a recalibration GM Body Systems Application 1988 2004 Page 185 Parameters Listed Alphabetically B Data List Parameters AUX UPPER OUT UNITS RANGE DEGREES C 40 to 150 DEGREES F 40 to 300 Output value of the auxiliary upper outlet temperature sensor AUX UPPER OUT TEMP COUNTS 0 to 255 Output value of the auxiliary upper outlet temperature sensor AVE FUEL RESET ON OFF The Average Fuel Reset parameter is an input to the IPC that resets the Average Fuel Economy GM Body Systems Application 1988 2004 Page 186 Parameters Listed Alphabetically B
118. a end esacicbuad os ao OA tee Be MRR o dca eddie 110 Cental Conte Module E RP RP EE Pd 111 Body Control Module BCM Lousaseseneduerqeedesbpredeedrsrves qires axe ues 112 Justin Tonel Cer OC keh bbe lejos eed dds 115 Low Tire Presstire Warning System LIPWS cannes wan ee 117 Remote Accessory oo idee bates decadence 120 Driver Information Center DI head rdg neuem n 124 Erene Lie Monitor EOLM bbe Sed Sed ded Beh edi e EGET AE d 125 Heating Ventilation and Air Conditioning HVAC o oo eese 129 Remote Function dotuaior REA dem REPRE REPE RO REAPER AREE 132 Supplemental hylatable Restraint SIR kee ened eae EA e Mav aed EERE 133 TEN gb ob 138 d Confort BUS EEO sas samxuea taa ces qa 143 ESC Function Tests by Model Year ssc dd Re eR d RACE age ae 144 JUD IS MOSES deter pes idee eke taeda ee Ree eeu baw aes 153 PORES dd lhe Dae ke ie ae Cae tod sessed 170 Liu id E add RR ee ee ee ee ee eee ee ot 171 A IF RE HAVING A 172 BIGGER 2h as ade r dd 172 Sereen PIAS SONA Hoe seq eem Bad vede
119. able mode The scan tool displays YES when the Passlock system transitions from the Monitor PasslockTM Data state to the VCM PCM Fail Enable state PCM FUEL CONT YES NO The scan tool displays the state ofthe VCM PCM fuel continue mode The scan tool displays YES when the Passlock M system verifies a valid password to the BCM PCM LEARN TIMER ACTIVE INACTIVE The scan tool displays the state of the VCM PCM learn timer The scan tool displays INACTIVE when the BCM is not in a learn mode PRNDL SWITCHES A B C P HIGH LOW Transmission switches A B C and P display the status of the transmission The tester displays HIGH when the switch circuit is OPEN or LOW when the switch circuit is closed to ground PROM ID The scan tool displays a 4 digit number This number is the programmable read only memory PROM ID PROM ID NO 0 to 65535 PROM identification number of an ECU GM Body Systems Application 1988 2004 Page 227 Parameters Listed Alphabetically B Data List Parameters PWR DOOR LOCK STATES The CCM uses the Power Door Lock input from the door switches to arm the universal theft deterrent system The tester displays YES when this input goes high as when the doors are locked PWR DOOR UNLOCK YES NO The CCM uses the Power Door Unlock input from the door switches for wake up input The tester displays YES when this input goes high as when the doors are unlocked GM Body Systems App
120. ailable for 1988 E Body Oldsmobiles in SDL Monitor mode the Engine Data Switch parameter indicates the state of the Instrument Panel Display and Engine Data toggle switch on the instrument panel The tester displays ON when Engine Data Switch is being pressed ENGINE SPEED RPM 0 to 6375 Engine Speed is a PCM VCM ECM internal parameter It is computed by reference pulses from the distributor and is used by virtually all PCM VCM ECM systems The up option IPC uses the engine speed broadcast by the PCM VCM ECM for its tachometer display EXPORT STRAP EXPORT DOMESTIC The tester displays EXPORT if the vehicle is built to be exported otherwise DOMESTIC is displayed EXTERIOR LAMP OFF ON This is the RAC module s command to the exterior lamp control relay during security system operation The ignition key must be ON to view RAC data list parameters GM Body Systems Application 1988 2004 Page 202 Parameters Listed Alphabetically B Data List Parameters PARAMETERS F Parameters beginning with the letter F FAN 1 REQUEST FAN 2 REQUEST NO YES This parameter indicates whether the BCM is requesting Coolant Fan from the ECM FAN DOWN BUTTON OFF ON State of the Fan Down speed button to reduce blower motor speed ON is pressed OFF is released FAN SPEED HI LOW OFF This parameter indicates the desired speed of the engine cooling fan FAN UP BUTTON OFF ON State of the Fan Up speed button to increa
121. als the BCM to release the cruise control when the brake is applied The cruise control must be turned ON when testing this BCM input C C RESUME ACCEL OFF ON The tester displays ON when the Resume Accel switch is pressed Note that the cruise control must be selected ON to test this BCM input C C SERVO FDBK UNITS RANGE The BCM uses the Cruise Control Servo Feedback input during cruise control operation Displayed as a percent a value close to 0 is the rest position and a value close to 100 is WOT C C SET COAST OFF ON The tester displays ON when the Set Coast switch is pressed Note that the cruise must be selected ON to test this BCM input C C STATUS OFF ON The C C Status parameter indicates the present status of the cruise control system CALIBRATION ID The scan tool displays a 4 digit number This calibration ID is the check sum of the SDM read only memory contacts CANADA SELECT ON YES This parameter indicates if the vehicle is set up for Daylight Running Lamps DRL GM Body Systems Application 1988 2004 Page 188 Parameters Listed Alphabetically B Data List Parameters CHIME NONE HEADLAMP KEY IN IGNITION SEAT BELT TURN SIGNAL The chime output refers to the commanded state of the audible chime NONE displays when No audible chime sound is commanded HEADLAMP displays when the headlamp ON reminder feature commands the chime to turn ON KEY IN IGNITION displays
122. ameter indicates the software calibration value stored in the DERM for the Clockspring Coil that is to be installed in the steering column COMPONENT SERIAL 8 11 The scan tool displays digits 8 through 11 of the SDM serial number COMPONENT SERIAL 12 The scan tool displays digit 12 of the SDM serial number COMPRESSOR REQ YES NO The BCM requests to the ECM that the A C compressor be turned OFF or ON depending on the state of the HVAC COOLANT FAN REQ YES NO The BCM may request the ECM to activate the engine cooling fan depending on A C loads COOLANT LEVEL STATES The Coolant Level sensor is an optional BCM input that is used to control the instrument panel Low Coolant Level warning lamp The tester indicates whether the BCM is seeing a normal or low coolant level from this sensor COOLANT TEMP DEGREES C 40 TO 199 Coolant Temperature is an analog input to the ECM The Coolant Temperature sensor is a temperature variable resistor in series with a fixed resistor in the ECM and biased with a reference voltage The ECM reads the voltage across the Coolant Temperature sensor and converts this voltage into temperature Coolant Temperature is used by many ECM systems COURT RELAY FDBK OFF ON The CCM monitors the courtesy lamp relay s control circuit A low voltage on this circuit indicates the relay is ON A high voltage state on the relay control circuit indicates the relay is OFF COURTESY LMP RLY ON OFF The BCM use
123. aries of the E amp C monitor messages which can be detected by the tester using this cartridge Mode Indicator E amp C DATA MONITOR RECEIVED MSG mmmmmmmmmm dddd E Message Data if needed Message has just been detected Holding for next message H W Waiting for next message E amp C buffer display displaying most recent detected message E amp C buffer display displaying Nth message before most recent message FIGURE 5 22 Summary of E amp C Monitor Test Display GM Body Systems Application 1988 2004 Page 155 System Test Modes 5 Selecting and Operating Test Modes FIGURE 5 23 Using Wait Hold to Examine Receiver s Response to E amp C SELECT MODE Ay F0 E amp C MONITOR F1 IDENTIFY F3 SNAPSHOT E amp C DATA MONITOR RECEIVED MSG NONE Wait to catch next message received from E amp C bus E amp C DATA MONITOR RECEIVED MSG NONE Increase volume key pressed on radio head E amp C DATA MONITOR RECEIVED MSG INC VOLUME Hold message in display Display Message received after one being held E amp C DATA MONITOR RECEIVED MSG RPT VOLUME 27 Command ACTIVE KEYS ast message detected HOLD ge d d or next message then It WAIT f ge then HOLD i Display all messages stop HOLDing WAITing Display message received after the one being held HOLD mode on
124. as engine speed and coolant temp The hexadecimal value of 0B90 indicates there is approximately 2096 engine oil life remaining A value of 39D0 means there is approximately 10096 of the engine oil life remaining OUTPUTS STATES The following are outputs from the IPC that turn on a Tell Tale light when a fault is detected in the system ALT T T OUTPUT COOLNT TMP OUTPT OIL T T OUTPUT OUTSIDE AIR LED OFF ON State of the LED in the Outside Air button GM Body Systems Application 1988 2004 Page 221 Parameters Listed Alphabetically B Data List Parameters OUTSIDE TMP SNS UNITS RANGE Value of the outside air temperature signal GM Body Systems Application 1988 2004 Page 222 Parameters Listed Alphabetically B Data List Parameters PARAMETERS P Parameters beginning with the letter P PARK BRAKE SW SET RELEASED The park brake switch information refers to the position of the park brake pedal SET displays when you depress the parking brake switch closed RELEASED displays when you do not depress the Parking Brake switch switch opened PARK ENGAGED STATES Notifies RAC module when the vehicle transmission is in the Park position The tester displays YES if the transmission is in Park NO is displayed if the transmission is in any gear other than Park PARK LAMP INPUT OFF ON When the park lamps are on the tester displays ON PARK LAMP RELAY ON OFF The park lamp rela
125. ase To run Snapshot Set Up Phase do the following 1 Select the SNAPSHOT mode from the Test Mode menu by pressing a The trigger conditions and Replay Data options are displayed in a self scrolling Snapshot Mode menu 2 To select a trigger option press the function key displayed to the left of the desired trigger condition To replay previously captured data press a9 For some systems you can choose to trigger on the trouble code that occurs or a specific system trouble code for the trigger condition as explained below When current and history codes exist for a system current codes are used to trigger 3 To trigger on the first trouble code that occurs while taking a snapshot press 4 To select the single code trigger press to enter the code you want to use as a trigger 5 When the tester screen displays SNAPSHOT MODE ENTER SYSTEM CODE xx or ENTER DTC XXXX use numeric keys to enter the two three or four digit trouble code number that you have selected 6 If the code is a three or four digit code preceded by the letter B or F skip the letter and enter the numerical code only The tester automatically enters the letter GM Body Systems Application 1988 2004 Page 101 Common Test Modes 5 Selecting and Operating Test Modes 7 Press the 1959 key The tester continues to store data until the specified trouble code is detected or until you press the 2 41B key If the code you enter does not exist fo
126. aster III Park Neutral Switch Position Potentiometer Variable resistor Delco Moraine ABS III component Integral booster modulator which provides both normal braking and anti lock braking Pressure Park Gear Transmission shifter Park Reverse Neutral Drive and Low Programmable Read Only Memory Power Steering Prestroke Pounds per Square Inch Fuel Evaporator Purge Pulse Width Modulation Power Platform Zone Module Quad Driver Module Rear Axle Remote Accessory Control Radio Dimming Retained Accessory Power Right Block Learn Receive Receiver Recirculate Reference Relay Release when used with solenoid Request Resolution Right Front GM Body Systems Application 1988 2004 Page 259 C Glossary and Abbreviations RFA R INT RLY R O2 RR RS232 or RS 232 RS232 IF Cartridge RSS RST RTD RWAL SAE SAE J1850 VPW S C SDL SDM Secondary Display SEC SECT SEL SENS SES SFI Remote Function Actuator Right Fuel Integrator Relay Right Oxygen Sensor Right Rear A serial data transmission standard between computers and accompanying systems which uses one signal line for data An auxiliary cartridge that works in conjunction with a vehicle cartridge The cartridge gives RS232 capability to the Tech 1 so it can communicate with computers and printers Road Sensing Suspension Reset Real Time Dampening Rear Wheel Anti lock Brake System Society of A
127. ate the vehicle s DLC Connect the DLC cable or the adapter attached to the end of the DLC cable to the vehicle Continue to Powering Up the Tester on page 56 POWERING UP THE TESTER 1988 95 vehicles equipped with a 12 pin DLC require powering the tester via the DC Power Cable Connect the DC Power Cable to the vehicle cigarette lighter or the optional Battery Adapter Cable which connects to the vehicle battery When testing a 1995 to present vehicles equipped with a 16 pin DLC the tester is powered through the DLC Cable except when using a Tech 1 tester Continue to Selecting the Application GM Body Systems Application 1988 2004 Page 56 Selecting the Application 4 Getting Started SELECTING THE APPLICATION 1 Once the tester is powered one of the following screens is displayed Vetronix Corp Vetronix Corp High Capacity General Motors 16MB MSC Diagnostics c 2004 vX X ENTER c 2004 vX X 16MB Mass Storage General Motors Cartridge MSC Diagnostic Cartridge Press or wait two seconds to proceed to the Applications menu screen If the display is not correct see Appendix A The available software applications are displayed APPLICATIONS GM P T GM CHASSIS GM BODY N Select the application If your application is on a MSC use the and keys to move the cursor arrow and press 1359 If the application is on a MAC select the function key next to the desired application The GM
128. ations 4 Getting Started FIGURE 4 17 GM S Adapter Configuration for Tech 1A TECH 1A 14 26 Pin DLC Cable Application Cartridge GM 12 14 Pin DLC Adapter GM 12 12 Pin SIR Dual UART Adapter GM Body Systems Application 1988 2004 Page 78 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 18 GM S Adapter Configuration for Tech 1 TECH 1 Tech 1 GM RWAL AWAL ALDL Cable GM 12 12 Pin SIR Dual UART Adapter GM Body Systems Application 1988 2004 Page 79 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 19 GM P Adapter Configuration for MTS 3100 Application Cartridge MTS 3100 14 26 Pin DLC Cable GM 12 14 Pin DLC Adapter GM Geo Prizm EL A SIR Adapter GM Body Systems Application 1988 2004 Page 80 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 20 GM P Adapter Configuration for Tech 1A TECH 1A 14 26 Pin DLC Cable Application Cartridge GM Geo Prizm SIR Adapter GM Body Systems Application 1988 2004 Page 81 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 21 GM P Adapter Configuration for Tech 1 TECH 1 RWAL AWAL ALDL Cable GM Geo Prizm SIR Adapter GM Body Systems Application 1988 2004 Page 82 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 22 GM D Adapter Configuration for MTS 3100 gt Appli
129. bmerge the tester in water NOTE GM Body Systems Application 1988 2004 Page 171 A IF YOU RE HAVING A PROBLEM This section is intended to help you get back on track if the tester appears to be operating abnormally Examples of most of the displays which you might see under abnormal conditions are shown In addition the most likely cause for the condition is given as well as other possible causes and recommendations on how to isolate or eliminate the problem BLANK SCREEN Most Likely Cause No power is applied to the tester Other Possible Causes Tester power supply is malfunctioning Recommendations Plug the tester into another vehicle to verify proper operation e Check for the 12 volt power at the cigarette lighter Check fuse in DLC cable cigarette lighter plug Check for proper polarity of 12 volt power center conductor should be positive GM Body Systems Application 1988 2004 Page 172 A If You re Having a Problem SCREEN DISPLAYS SOLID BARS Most Likely Cause Cartridge was inserted while power was applied to tester Other Possible Causes Two master cartridges are installed Master cartridge is malfunctioning Tester is malfunctioning Recommendations Unplug connector from cigarette lighter and plug it back in Make sure that only one master cartridge is installed in the tester Remove all cartridges and see if MASTER CARTRID
130. can tool displays NO when the Passlock system verifies a valid password WARNING LAMP CONTROL OFF ON WARNING LAMP CYCLES CYCLES 0 to 125 The ignition cycles of the current warning lamp state WARNING LAMP CYCLES TYPICAL DATA VALUE 0 125 CYCLES CYCLES 0 to 125 WARNING LAMP FBK STATES OFF ON The Warning Lamp Feedback parameter under normal operating conditions should match the status of the Ist Lamp Driver and or the 2nd Lamp Driver It indicates to the DERM whether the state of the AIR BAG warning lamp matches the microprocessor commanded state GM Body Systems Application 1988 2004 Page 246 Parameters Listed Alphabetically B Data List Parameters WARNING LAMP ON UNITS RANGE HRS Measures continuous warning lamp on time WASHER FLUID LVL OK LOW The tester displays OK or LOW depending on the input from the switch located in the washer fluid reservoir YEAR MODULE BUILT The scan tool displays what year the module was built GM Body Systems Application 1988 2004 Page 247 E amp C Bus Monitor Messages B Data List Parameters E amp C BUS MONITOR MESSAGES This section contains a list of all the E amp C communication bus messages which the tester is able to decode in the E amp C MONITOR mode and those messages which the tester can transmit in the E amp C CONTROL mode Also included is a brief description of each of the messages The following table lists all of the
131. cation Cartridge MTS 3100 14 26 Pin DLC Cable GM 12 14 Pin DLC Adapter Isuzu Delco 3 pin ALDL Adapter ay GM Body Systems Application 1988 2004 Page 83 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 23 GM D Adapter Configuration for Tech 1A 14 26 Pin TECH 1A DLC Cable Application Cartridge GM 12 14 Pin DLC Adapte Isuzu Delco 3 Pin ALDL Adapter aX GM Body Systems Application 1988 2004 Page 84 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 24 GM D Adapter Configuration for Tech 1 Tech 1 GM Q RWAL AWAL ALDL Cable TECH 1 Isuzu Delco 3 Pin ALDL Adapter GM Body Systems Application 1988 2004 Page 85 Using the Tester Keypad and Menus 4 Getting Started USING THE TESTER KEYPAD AND MENUS The operation of the tester software is simple so once you ve read through the manual to get a general idea of how it operates you won t have to refer to it very often You simply sequence through the operation of the cartridge by pressing keys on the tester in response to messages displayed on the tester In general this sequencing is performed by pressing Function Keys to select items from menus displayed on the tester Refer to the following table for a summary of the basic key functions Each section in this manual contains a table indicating which keys are active for that mode of operation TESTER FUNCTION KEYS General
132. ck Passenger Cars MODEL rapier SYSTEM PNK CONFIG Park Avenue Ultra C SIR SDM G Class 2 OBD II C2 Le Sabre H SIR SDM GT Class 2 OBD II C2 Century Regal Ww SIR SDM G2 G4 Class 2 OBD II C2 2004 Cadillac Passenger Cars MODEL graprarr SYSTEM Pk CONFIG CTS D SIR SDM D320 Class 2 OBD Il C2 DeVille DHS DTS K SIR SDM GF Class 2 OBD II C2 Seville SLS and STS XLR Y SIR SDM GF Class 2 OBD II C2 2004 Chevrolet Passenger Cars MODEL grpicrr SYSTEM PNK CONFIG Cavalier J SIR SDM G2 Class 2 OBD II C2 Classic N SIR SDM G2 Class 2 OBD II C2 Impala Monte Carlo SIR SDM GT Class 2 OBD 11 2 Corvette Y SIR SDM G Class 2 OBD II C2 2004 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODET 4TH DIGIT LINK CONFIG Alero N SIR SDM G2 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 50 Vehicle Coverage 3 Vehicle Coverage 2004 Pontiac Passenger Cars move BODYYN sverm DATA Aparten Bonneville H SIR SDM GT Class 2 OBD II C2 Sunfire J SIR SDM G2 Class 2 OBD II C2 Grand Am N SIR SDM G2 Class 2 OBD 1 2 Grand Prix SIR SDM D Class 2 OBD II C2 2004 Saturn Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT RXSTEM LINK CONFIG lon A SIR SDM D Class 2 OBD II C2 L Series J SIR S
133. clear codes again If it fails again then you probably have an intermittent connection to the serial data link SDL It is also possible that the ECU is malfunctioning ACTIVE KEYS G Used to determine if codes are to be cleared Freeze the display of the latest trouble code Display the next trouble code Terminate trouble code scrolling Terminate trouble code display GM Body Systems Application 1988 2004 Page 98 Common Test Modes 5 Selecting and Operating Test Modes SELECT MODE v F0 DATA LIST F2 TROUBLE CODE F3 SNAPSHOT TROUBLE CODES WAITING FOR DATA TROUBLE CODES NO DATA RECEIVED FROM EOLM TROUBLE CODES NO EOLM CODES TROUBLE CODES EOLM CODE 23 IGNITION MONITOR MALFUNCTION CLEAR CODES YES NO HISTORY CODES WILL BE LOST CONTINUE CODES CLEARED After 3 seconds the next code will be displayed Freeze the display by pressing the 9 key Press e to display the next code After all codes have been displayed you can clear codes or return to the Select Mode menu SELECT MODE F0 DATA LIST F2 TROUBLE CODE F3 SNAPSHOT CODE CLEAR FAIL FIGURE 5 3 Example of Reading and Clearing EOLM Trouble Codes GM Body Systems Application 1988 2004 Page 99 Common Test Modes 5 Selecting and Operating Test Modes MODE F3 SNAPSHOT The purpose of the SNAPSHOT test mode is to help you isolate an inter
134. codes at this time select F1 CLEAR CODES or press 248 twice to return to the Vehicle Selection menu If you selected F7 CLEAR CODES the tester flashes a clearing codes message while the SIR codes are cleared When the codes are cleared the tester asks you to turn the ignition to OFF then press the key A waiting message is displayed briefly Ll You now asked to verify that Code 12 is the only trouble code stored in the SIR memory Press the 1 key to return to the Select Test menu then select to flash the codes on the SIR telltale lamp When only code 12 is present press 241 three times to return to the Vehicle Selection menu GM Body Systems Application 1988 2004 Page 133 System Test Modes 5 Selecting and Operating Test Modes SELECT SYSTEM Y F8 SIR SELECT TEST F0 FLASH CODES F1 CLEAR CODES INSTALL SIR DUAL UART ADAPTER INSTALL SIR DUAL UART ADAPTER CLEARING SIR CODES ENTER DONE ENTER DONE Flashes for 21 Seconds ENTER ENTER TURN IGNITION OFF THEN PRESS ENTER TURN IGNITION OFF THEN PRESS ENTER TURN IGNITION OFF THEN PRESS ENTER ENTER ENTER ENTER WAITING FOR ECM TIMEOUT WAITING FOR ECM TIMEOUT WAITING FOR ECM TIMEOUT TURN IGNITION SWITCH TO RUN TURN IGNITION SWITCH TO RUN IMPORTANT VERIFY CODE 12 IS ONLY C
135. components via messages which all of the components can transmit on the E amp C bus For example when the driver presses the seek switch the radio head sends a seek command to the radio receiver via the E amp C bus and the receiver sends the station number back to the radio head where it is displayed The GM Body Systems Cartridge provides you with a tool for troubleshooting the ECUs on the E amp C communication bus on most GM cars and 88 96 C K Trucks With this cartridge your tester becomes a component on the E amp C bus the same as any of the on board components The tester allows you to listen to messages transmitted from any of the components and to transmit your own messages on the bus In this way you can readily isolate a problem to a particular component or to the bus itself You can select among five E amp C tests F0 E amp C MONITOR Monitors message transmissions on the E amp C bus FI COMPONENT IDENTIFICATION Displays which components are connected to the E amp C bus Identifies E amp C bus faults F3 SNAPSHOT Captures and stores E amp C messages F4 CONTROL TEST Transmits E amp C messages on the bus F5 SPEAKER TEST Routes all of the audio to the selected speaker SELECT SYSTEM Ay F9 E amp C SELECT MODE v Scrolls menu page F0 E amp C MONITOR y Stops F1 IDENTIFY F3 SNAPSHOT F4 E amp C CONTROL F5 SPEAKER TEST FIGURE 5 20 E amp C Select Mode Menu GM Body System
136. day 204 based on the Julian Calendar GM Body Systems Application 1988 2004 Page 213 Parameters Listed Alphabetically B Data List Parameters PARAMETERS K L Parameters beginning with the letters K L KEY CYLINDER REQUEST YES NO This is an input to the RAC to unlock the power locks from either front door key cylinder This is used on Level 3 RACs to alert the RAC module to disarm the theft deterrent system When the key is in the lock and turned the tester reads YES and the theft deterrent is disarmed KEY IN IGNITION YES NO The key in ignition information refers to the position of the ignition key in the ignition switch YES displays when you completely insert the ignition key in the ignition switch cylinder NO displays when you do not completely insert the ignition ley into the ignition switch cylinder LAMP DRIVER INTERNAL EXTERNAL The warning lamp control method for a hard wire lamp is internal The warning lamp control method for a serial data controlled lamp is external LAMP DRIVER FEEDBACK ACTIVE INACTIVE The warning lamp state detected by the SDM LAST RFA CMD NONE LOCK UNLOCK PANIC MANUAL RESYNC FOB PROGRAM DIAG ACKNOWLEDGE DIAG REQUEST The Last RFA Cmd Since Wake Up information refers to the last RFA commanded message from the BCM since the BCM has achieved a wake up status NONE is displayed when the BCM has awakened from the asleep statue without commanding a
137. de inside the DERM DRIVER BAG ENERGY RESERVE VOLTS 22 to 24 Steering wheel module loop reserve voltage DRIVER BELT STATUS CHANGED THIS IGNITION CYCLE NO YES The scan tool displays YES or NO Driver seat belt has been buckled or unbuckled after the ignition is turned ON GM Body Systems Application 1988 2004 Page 197 Parameters Listed Alphabetically B Data List Parameters DRIVER ENERGY RESERVE UNITS RANGE This is the voltage of the driver frontal energy reserve capacators inside the SDM as measured by the SDM DRIVER FRONTAL RESISTANCE TYPICAL DATA VALUE 2 8 OHMS OHMS 0 6 6 The SDM Performs the resistance measurement test once each ignition cycle and verifies the ignition 1 and the 23 VLR Voltages are within the normal ranges Then the SDM sources a constant current to the driver deployment loop The SDM then measures the voltage drop across the deployment loop and coverts the measured voltage value to a driver deployment loop resistance value DRIVER FRONTAL SENSELO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 to 20 The SDM measures the voltage at the driver frontal low terminal 2 and displays the value as Driver Frontal Senselo DRIVER FRONTAL VDIF TYPICAL DATA VALUE 4 10MV UNITS RANGE MILLIVOLTS 0 to 500 The SDM measures the voltage difference between driver frontal high and driver frontal low and displays this voltage difference as Driver VDIF DRIVER HI VOLTS 0 0 to 40 0 The Driver
138. dicates status of relay DOOR UNLOCK RLY OFF LOC ON HORN RELAY ON FIGURE 5 11 RAC Tests Output Tests GM Body Systems Application 1988 2004 Page 122 System Test Modes 5 Selecting and Operating Test Modes SELECT MODE Y F0 DATA LIST F3 SNAPSHOT F4 RAC TESTS SELECT TEST F0 OUTPUTS F1 PROGRAM RAC KEY TAG S TURN LEVEL THREE THEFT DETERRENT OFF IF AVAILABLE THEN PRESS YES PRESS A SINGLE BUTTON OF FIRST KEY TAG ONCE THEN PRESS YES After 55 Seconds RAC KEY TAG PRO GRAM ABORTED AFTER 55 SECONDS EXIT AND RETRY PRESS OPTIONAL SECOND KEY TAG BUTTON THEN PRESS YES TEST KEY TAG FUNCTIONS LOCK AND UNLOCK EXIT FIGURE 5 12 RAC Tests Program Key GM Body Systems Application 1988 2004 Page 123 System Test Modes 5 Selecting and Operating Test Modes DRIVER INFORMATION CENTER DIC The Driver Information Center DIC is available on 1991 93 C body Buicks and Oldsmobiles the 1992 93 H body Oldsmobiles and 1995 96 G car Oldsmobiles The Driver Information Center supplies many conveniences to the driver from a keyboard modifiable display The following special DIC test are available with the tester Dimming Control Keypress Beep Chime Tests Segment Check Reset Tests English Metric Switch and Switch Tests Mode F4 DIC TESTS To run the Mode F4 DIC Tests do the following 1 Select DIC TESTS fr
139. displays Turn off automatic menu scrolling Select Instrument Panel Display Type for 1988 98 Olds E cars splay Lyp Select SDL Monitor links Mark top displayed parameter as fixed for creating your own data pairs p displayed p gy p Mark bottom displayed parameter as fixed for creating your own data pairs played p gy p Toggle between English and metric EXIT Return to previous menu GM Body Systems Application 1988 2004 Page 96 Common Test Modes 5 Selecting and Operating Test Modes MODE F2 DTC S Trouble codes or Diagnostic Trouble Codes DTC are set when an abnormal condition is detected by the system ECU They are key to diagnosing many of the problems which can occur in the vehicle You should refer to the GM service manual for additional information regarding trouble codes Trouble codes can be displayed and cleared Fix or examine the indicated problem clear the code then see If it resets immediately or after a few drive cycles If F2 TROUBLE CODES DTC is selected and there are no stored trouble codes for the system you are testing the tester informs you that there are no trouble codes When F2 TROUBLE CODES DTC is selected and trouble codes have been indicated by the system ECU the tester asks if you want to clear codes If you do not wish to clear the codes press the key to return to the Select Mode menu If you want to clear the codes press the key The tester attempts to clear
140. e software identification number in the module GM Body Systems Application 1988 2004 Page 237 Parameters Listed Alphabetically B Data List Parameters SOLAR SENSOR UNITS RANGE The value for intensity of the sunlight shining onto the dash As intensity increases the sensor value decreases As intensity decreases the sensor value increases SPEEDO DIM PWM 0 to 100 The tester displays the CCM s commanded pulse width to the IPC for speedometer illumination A pulse width close to 100 indicates maximum intensity SSW DESIGN This is the version of the software part number in the module START RELAY FDBK STATES The CCM has a feedback line from the starter relay to indicate when the starter is OFF or ON STARTER ENABLE OFF ON STORE SWITCH OFF ON This is amomentary switch that stores IPC messages while the IPC is blanked The tester displays ON when the switch is pressed and OFF when the switch is released SUN LOAD SENSOR VOLTS 0 to 5 Value of the sun load sensor signal SUNLOAD TEMP DEGREES F 40 to 419 DEGREES C 40 to 215 The sunload sensor is located in the instrument panel It is used by the BCM to determine the load that the sun is placing on the A C system SW BATT VOLTS VOLTS 0 0 to 25 5 Switched Battery Voltage is the vehicle s system voltage after it has been cleaned up by the CCM The voltage is normally be less than the Ignition 1 input vol
141. e Select Mode menu 3 Press to select Reprogram BCM ECU 4 Press to begin reprogramming The software communicates with the SDM module and reads the current VIN information stored in the memory of the SDM The SDM VIN information is then used to program the BCM This allows the BCM to recognize the SDM on initial power up Confirmation should be displayed on the tester screen If the BCM reprogramming was unsuccessful a message is displayed on the tester screen NOTE EB Reprogramming the BCM can only be done once per ignition cycle GM Body Systems Application 1988 2004 Page 140 System Test Modes 5 Selecting and Operating Test Modes SELECT MODE F4 MISC TESTS SELECT MODE F0 DATA LIST F2 DTC F3 SNAPSHOT SELECT MODE F1 REPROGRAM BCM REPROGRAM BCM YES OR NO Return to Select Mode Menu Reprogramming BCM in Progress MODULE REPROGRAMMING REPROGRAMMING COMPLETED FAILED BODY CONTROL BODY CONTROL MODULE FIGURE 5 18 Reprogramming the BCM ECU Mode F1 Reprogramming the IPC ECU The Instrument Panel Cluster IPC ECU should be reprogrammed when one or more of the following condition s exist PC electronic control unit replacement SDM electronic control unit replacement DTC 1001 Incorrect Keying Messages stored DTC 1155 SDM Calibration Mismatch stored e DTC B1159 Loss Of Serial Data Key Not Received stored DTC B1160
142. e W car 1988 91 Pontiac W car 1992 96 Cadillac E K car 1995 96 Buick G car 1995 96 Chevrolet J car 1995 96 Oldsmobile G car 1995 96 Pontiac J car 1996 Buick N car 1996 Pontiac N car and 1996 Oldsmobile N car vehicles The IPC has only one IPC Test Vacuum Florescent Dimming Mode F4 IPC Tests To perform the IPC Tests do the following 1 Select F4 IPC TESTS from the Select Mode menu 2 To display the VF DIMMING parameter press 3 Use the key to increase the brightness by 10 or the key to decrease the brightness by 10 The tester displays the current percent of brightness with each keypress 4 Press to return to the PC Tests menu 5 When you are finished with the IPC Tests press to return to the Select Mode menu Specific IPC System for 1994 1996 Oldsmobile C H Body Applications These vehicle applications may have one of two IP Cluster options a Tach IP Cluster or VF Digital display cluster The IPC TESTS differ for both of these levels of IP clusters When the user selects the IPC from the Select System menu on either of these cluster options each of the test modes including F4 IPC Tests are adjusted by the tester through an option content test when the IPC was selected The DIC functions for the 1994 C H vehicles are now an integral function of the IPC when the vehicle is equipped with a FV display cluster and are tested in the F4 IPC TESTS menu selection The following IPC TEST selections are available for 1994
143. e appropriate fade and balance commands to the Radio Receiver to output audio to only one speaker at a time You can also control the volume of that speaker by pressing the and keys NOTE EH Volume Control is not available on some vehicle applications To run the E amp C Speaker test do the following 1 Select the E amp C TESTS by pressing Ga 2 Select the F5 SPEAKER TEST 3 Press the I key to sequence to the speaker you want to test 4 Press Or to increase or decrease the volume 5 Terminate the test by pressing 410 The audio fade and balance are set to send audio to all speakers ACTIVE KEYS NO Go to next speaker Increase volume Decrease volume Return to SELECT E amp C TEST Restore audio to all speakers GM Body Systems Application 1988 2004 Page 169 System Test Modes 5 Selecting and Operating Test Modes FINISHING UP SELECT MODE Y F4 E amp C CONTROL F5 SPEAKER TEST E amp C SPEAKER TEST LEFT FRONT SPKR INC VOLUME Y DEC VOLUME RIGHT FRONT SPKR RIGHT REAR SPKR LEFT REAR SPKR E amp C SPEAKER TEST ALL SPEAKERS INC VOLUME Y DEC VOLUME FIGURE 5 33 Speaker Test When you ve finished testing check to see if any Diagnostic Trouble Codes are still set If you ve already cleared codes for a component but the codes are still set then the conditions which caused the codes to be set are probably still present You sh
144. e buffer pressing causes the tester to display VO DATA SAVED Indicates number of messages saved in SNAPSHOT buffer maximum of 25 Prompt line Indicates which message is being displayed message 0 is most recent message MESSAGES RDVD 02 F2 CONTINUE INC VOLUME Message description FIGURE 5 25 Snapshot Function 1 When data is being REPLAYED use the and keys to scroll through the message saved in the Snapshot buffer The number in the upper right corner indicates how many messages have been saved When you are in the REPLAY mode pressing allows you to continue collecting data GM Body Systems Application 1988 2004 Page 159 System Test Modes 5 Selecting and Operating Test Modes b FI NEW TEST Use the FJ NEW TEST option when first performing the Snapshot function on a vehicle When NEW TEST is selected any data which was saved previously in the Snapshot buffer is cleared and the message received counter displays 0 As E amp C messages are detected this counter increments until it reaches 25 After that the counter stays at 25 and the oldest E amp C messages are lost The tester retains the most recent 25 messages After data has been collected it can be replayed by pressing the ay key c F2 CONTINUE Press the key to continue monitoring messages between the E amp C components without destroying data which has been saved previously While monitoring the messages
145. e scan tool displays buckled or unbuckled The signal from the drivers seat built switch indicates whether the driver seat is buckled or unbuckled DRIVER SEATBELT UNBUCKLED BUCKLED The Driver Seatbelt parameter indicates the status of the driver seat belt DRIVER SENSELO VOLTS 0 0 to 25 5 The SDM measures the voltage of the driver frontal low terminal voltage and displays it as Driver Senselo DRIVER SIDE IMPACT SENSOR ID The scan tool displays a 2 digit ID number The ID signal sent to the SDM from the Driver SIS DRIVER SOURCE VOLTS 0 0 to 40 0 The Driver Source parameter indicates the voltage applied to the high side of the deployment loop This voltage is measured by the DERM through a diagnostic resistor in the Arming Sensor DRIVER TEMP DIAL UNITS RANGE DEGREES C 15 to 32 DEGREES F 59 to 89 The desired discharge temperature selected by the driver GM Body Systems Application 1988 2004 Page 199 Parameters Listed Alphabetically B Data List Parameters DRIVER UNLOCK ALL UNLOCK LOCK UNLOCK DRIVER UNLOCK is the command from the RAC module to the driver door unlock relay isolation relay assembly This is in response to a command from the remote transmitter to unlock the driver s door ALL UNLOCK is the command from the RAC module to the unlock coil of the door lock relay assembly DRIVER VDIF mV 4 to 8 The Driver VDIF parameter indicates the voltage difference between
146. e starting is inhibited FUEL GAUGE SWITCH FUEL DATA SWITCH RELEASED DEPRESSED OFF ON When the Fuel Gauge Switch on the instrument panel is pushed the tester displays DEPRESSED otherwise RELEASED is displayed The Fuel Data Switch is a momentary switch The tester displays ON when the switch is pressed and OFF when the switch is released FUEL LEVEL OK LOW Fuel Level Sender is an input to the BCM IPC It is used to control the fuel gauge at the instrument panel FUEL LEVEL GAL 0 to 25 LITERS 0 to 95 The fuel level sender is an input to the BCM It is used to control the fuel gauge at the instrument panel FUEL LEVEL GAL LITERS The Fuel Level parameter displays the current fuel level in whole gallons or liters GM Body Systems Application 1988 2004 Page 205 Parameters Listed Alphabetically B Data List Parameters PARAMETERS G H Parameters beginning with the letters G H GAUGE DIMMING PWM 0 100 The tester displays the CCM s commanded pulse width to the IPC for Instrument panel illumination A pulse width close to 100 indicates maximum intensity GREEN LED DIM 0 100 The tester displays the CCM s commanded pulse width to the Green LED s used in the HVAC control head and other areas of the instrument panel Due to the low intensity light emitted from LED s the pulse width is normally near 100 HATCH STATES CLOSED OPEN The CCM uses a discrete input switch to det
147. ed Body System is malfunctioning Tester is malfunctioning SIR DUAL UART Adapter GM P N 00065 Vetronix P N 02001039 not installed when performing SIR tests on 1991 L Body GM Body Systems Application 1988 2004 Page 174 A If You re Having a Problem Recommendations e Verify that ignition is in RUN Verify that tester is plugged securely into DLC e Check for serial data link shorted or open Install SIR DUAL UART Adapter Remove SIR DUAL UART Adapter if not requested to use for system being tested EXIT test and retry INTERMITTENT COMMUNICATIONS An alternating screen as in the following example this indicates that communications have been intermittent When completely lost only the DATA LOST screen is seen HVAC SET TEMP 72 F Alternatin COOLANT TEMP Vh 8 ALDL DATA LOST 98 C 208 F Most Likely Cause Tester cable has come loose from DLC Other Possible Causes e Ignition switch has been turned OFF e Cable is not plugged securely into tester Serial data link is shorted or open circuited Recommendations e Verify that ignition is in RUN Verify that tester is plugged securely into DLC e Check for serial data link shorted or open See if data updates Interruption of data may be just minor communications interference especially in SDL Monitor Mode GM Body Systems Application 1988 2004 Page 175 A If You re Having a Problem DATA NOT
148. ehicle and begin performing the system diagnostic functions It is suggested that you read this manual completely before operating the tester and the application software VEHICLE COVERAGE GM vehicles and models that can be tested with the GM Body Systems Application are listed in the Vehicle Application Charts on the following pages Remember that in most cases BCM IPC RAC DIC HVAC E amp C and other Body systems are options and might not be installed on the vehicle you are testing Refer to the following charts for vehicle body systems and adapter configurations needed to connect the tester to the appropriate vehicle 1988 VEHICLE COVERAGE 1988 Buick Passenger Cars BODY VIN DATA ADAPTER MOREL 4TH DIGIT UTEM LINK CONFIG Reatta E E amp C BCM UART GM Skylark Custom N E amp C UART GM Skylark Limited Regal W E amp C IPC UART GM GM Body Systems Application 1988 2004 Page 7 Vehicle Coverage 3 Vehicle Coverage 1988 Cadillac Passenger Cars BODY VIN DATA ADAPTER MOREL 4TH SYSTEM LINK CONFIG Eldorado E BCM UART GM Seville K BCM UART GM 1988 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODER 4TH picir SYSTEM LINK CONFIG Delta 88 Intl E E amp C BCM UART GM Royale Delta 88 Royale Brougham Cutlass Supreme E amp C IPC UART GM 1988 Pontiac Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DI
149. ems GM 16 MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 13 with a 16 Pin DLC 16 12 Pin Non OBD II Adapter 02001575 UART data Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 14 16 12 Pin Non OBD II Adapter 02001575 Tech 1 16 12 Pin Non OBD II DCL Adapter 02001575 Figure 4 15 GM Body Systems Application 1988 2004 Page 64 Adapter and Adapter Cable Configurations 4 Getting Started For an illustration of the adapters and how to connect them to the tester refer to the FIG NO listing in the last column of the Body Adapter Usage Chart Body Adapter Usage Table SYSTEM ADAPTER TESTER ADAPTER PART FIG CONFIG DESCRIPTION NO NO 1988 1995 Systems GM MTS 3100 GM 12 14 Pin DLC Adapter 02001384 Figure 4 5 with a 12 Pin DLC Tech 1A GM 12 14 Pin DLC Adapter 02001384 Figure 4 6 Tech 1 Tech 1 GM RWAL 4WAL ADL Cable 02001578 Figure 4 7 All 1994 and newer OBD II C2 MTS 3100 Controller Area Network VIM F 00K Figure 4 8 with 16 pin DLC 16 24 Pin DLC Adapter Cable 108 115 OBD II 02001744 Body Systems with a OBD MTS 3100 Controller Area Network VIM 02003211 Figure 4 9 16 Pin DLC 16 24 Pin DLC Adapter Cable 02001744 OBD 1 Tech 1A OBD II Interface Cartridge 02002178 Figure 4 10 16 14 Pin OBD II Type 3 Adapter Cable 02001969 OBD II VIM 02001808 Figure 4 11 16 24 Pin VIM DLC Adapter Cable 02001744 Tech 1 Tech 1 GM RWAL
150. ents darkness TWILIGHT RELAY RIVIERA ONLY OFF ON The BCM controls several relays for the Twilight function These are all controlled through one circuit The tester indicates whether the relays are being commanded ON or OFF by the BCM TWILIGHT SWITCH OFF ON The Twilight Switch is an input to the BCM and is controlled by the driver The Twilight Switch reads ON when the twilight switch is set to on GM Body Systems Application 1988 2004 Page 244 Parameters Listed Alphabetically B Data List Parameters PARAMETERS U Y Parameters beginning with the letters U Y UNLOCK REQUEST YES NO YES indicates that the RAC module has seen a request to unlock the doors The remote transmitter s unlock button requests the RAC module to unlock the doors On Level 3 RAC s the door unlock request can be seen by the RAC module also from the power lock switches located on the front doors of the vehicle UPPER OUTLET UNITS RANGE DEGREES C 40 to 102 1998 2001 S T Truck 40 to 60 2000 2002 C K Truck DEGREES F 40 to 215 1998 2001 S T Truck 40 to 140 2000 2002 C K Truck Temperature of the air discharged from the upper outlet VAC SOLENOID 1 VAC SOLENOID 2 VAC SOLENOID 3 VAC SOLENOID 4 VAC SOLENOID 5 OFF ON The state of the solenoid If ON the solenoid is energized If OFF the solenoid is not energized VEHICLE SPEED MPH 0 to 159 KPH 0 to 255 Vehicle speed
151. er indicates whether DERM terminal 48 is grounded thus causing the AJR BAG warning lamp to flash diagnostic trouble codes GM Body Systems Application 1988 2004 Page 232 Parameters Listed Alphabetically B Data List Parameters RFA MESS WAKE UP STATES NONE PANIC ACTIVE UNLOCK Fob LOCK PROG MODE CANCEL REAR PROG MODE REQ TRANSMITTER DIAG PROG SUCCESSFUL MODE ACK MANUAL RESYNC The RFA message since wake up refers to the last message sent to the BCM from the RFA module The RFA module sends a request to the BCM based on the RFA transmitter key fob button presses The scan tool will display the last RFA Module request to the BCM since the BCM has been awake NONE is displayed when the BCM wakes from the asleep status without receiving a message from the RFA Module Messages result from a button press from a programmed RFA key fob ACTIVE UNLOCK FOB 7 is displayed when the respective programmed RFA key fob is pressed to UNLOCK the vehicle ACTIVE LOCK is displayed when a lock button is pressed on any programmed RFA key fob e REAR or PANIC is displayed when the respective button is pressed on any programmed RFA key fob RH MIX MTR FDBK COUNTS 0 to 255 The position of the right hand air temperature motor actuator RH MIX MTR RQST COUNTS 0 to 255 The desired position of the right hand air temperature motor actuator RH PRETENS RESIST TYPICAL DATA VALUE 2 4 OHMS OHMS 0 to
152. ermine the position of the rear hatch OPEN means that the hatch switch indicates the hatch is open HEAD LAMP SWITCH BCM HEAD LAMPS CCM OFF ON This is the Head Lamp request from the Head Lamp Switch to the BCM CCM HEADLAMP PWR RLY STATES The headlamp power relay output refers to the commanded state of the headlamp power relay coil ON displays when the BCM commands the headlamp power relay coil to turn ON e OFF displays when the BCM does not command the headlamp power relay coil to turn ON The BCM then does not allow current to the headlamp power relay coil The headlamps remain OFF HEADLMP RELAY FDBK ON OFF The BCM uses the headlamp relay feedback input in order to determine if the headlamps are ON or OFF by determining if current is present on the headlamp circuit The BCM monitors CKT 352 in order to determine if the headlamp power relay energizes ON displays when the BCM receives a voltage input on the circuit between the headlamp switch and the headlamp power relay coil The voltage input indicates that the headlamps are ON OFF displays when the BCM does not receive a voltage signal on the circuit between the headlamp switch and the headlamp power relay coil The lack of voltage indicates that the headlamps are OFF GM Body Systems Application 1988 2004 Page 206 Parameters Listed Alphabetically B Data List Parameters HEADLAMP REQ SW ACTIVE INACTIVE The BCM uses the headlamp request switch
153. es the current source takes approximately 200 mS there almost never is a resistance where the status is Enabled GM Body Systems Application 1988 2004 Page 192 Parameters Listed Alphabetically B Data List Parameters PARAMETERS D Parameters beginning with the letter D DAYTIME RUN LMP ON OFF This parameter indicates the state of the daytime running lamps The tool displays ACTIVE when the daytime running lamps are commanded ON The tool displays INACTIVE when the daytime running lamps are commanded OFF DEFOG RELAY FDBK OFF ON The CCM monitors the defog relay s control circuit A low voltage on this circuit indicates the relay is ON A high voltage state on the relay control circuit indicates the relay is OFF DERM CONFIG 00 DRIV PASS 01 DRIV ONLY 02 SERVICE DESIRED BLWR MTR 0 to 98 Selected blower motor speed DIC PROM I D NONE 0 00 to 99 99 The tester displays a number corresponding to the revision level of the software and calibration used in the DIC DIC SWITCH A D COUNTS 0 to 255 The Driver Information Center DIC uses one CCM input wire and a resistor network that changes value depending on which switch is being pressed The CCM converts this analog input to digital counts If all switches are in their normal state not pressed the count is 208 235 A short to ground causes a count of less than 17 An open or short to power causes a count greater than 235 A fa
154. ests FO Air Inlet Dr The Air Inlet Door is commanded to its minimum and maximum limits Fl Mix Door Pos The temperature actuator is commanded to its minimum and maximum limits e F2 Mix Motor The temperature actuator is commanded to its minimum and maximum limits F3 Blower Motor Commands the Blower motor to its minimum OFF and maximum ON speeds F4 Aux Blwr Mtr Commands the Auxiliary Blower Motor to its minimum OFF and maximum ON speeds F5 Aux Mix Door Commands the Auxiliary temperature actuator to its minimum and maximum limits F6 Aux Mode Door Commands the door actuator to its minimum and maximum limits REMOTE FUNCTION ACTUATOR RFA Use the Remote Function Actuator to program key fobs for remote door lock and trunk lock actuation If two transmitters are used both must be present to perform this operation Always begin with Fob 1 Mode F4 OBD Controls To program key fobs do the following 1 Select F4 Controls from the Select Mode menu 2 Select F0 Program Key Fob s from the Select Control menu 3 From the Program Key Fobs menu select one of the following F0 Key Fob 1 Fl Key Fob 2 F2 Both Fobs 4 When you press a test key follow the instructions on the tester s display 5 Press CAR to return to the Select Control menu When finished with the tests press again to return to the Select Mode menu GM Body Systems Application 1988 2004 Pa
155. fogger relay based on signals from the BCM or ECCP REAR FOG LAMP SW ON OFF The BCM uses the rear fog lamp switch export only input in determining the status of the rear fog lamp switch ON displays when you depress the rear fog lamp switch OFF displays when you are not depressing the rear fog lamp switch GM Body Systems Application 1988 2004 Page 231 Parameters Listed Alphabetically B Data List Parameters REAR DOOR S STATES The tester displays OPEN when one or both of the rear doors is open REAR GATE DOOR OPEN CLOSED The rear gate door information refers to the position of the rear gate door and rear glass CLOSED is displayed when both the rear gate and the rear glass are completely closed OPEN is displayed when the rear gate or the rear glass is not completely closed RECALL KEY OFF ON The recall key displays stored IPC messages The tester displays ON when the key is pressed and OFF when the key is released RECIRC BUTTON OFF ON The state of the Recirculation button ON is pressed OFF is released RECIRC LED OFF ON The state of the LED in the Recirculation button REMINDER CALIB 16XXXXXX This number refers to the reminder warning calibration part number in the module REMINDER SUFFIX This is the version of the reminder calibration number in the module REQ DIAG DISPLAY DISABLED ENABLED The Requested Diagnostic Display paramet
156. g diagnosed OAT UNITS RANGE DEGREESC 40 to 102 1998 2001 S T Truck 40 to 60 2000 2002 C K Truck DEGREESF 40 to 215 1998 2001 S T Truck 40 to 140 2000 2002 C K Truck Outside Air Temperature ambient air temperature value reported by the outside air temperature sensor GM Body Systems Application 1988 2004 Page 220 Parameters Listed Alphabetically B Data List Parameters OFF BUTTON STATES State of the OFF button ON is pressed OFF is released OIL LEVEL OK LOW The engine oil level switch is located in the engine oil pan The switch signals the oil level is OK or LOW OIL MONITOR MILLIONS 0 to 25 5 The tester displays the number of engine revolutions since the oil monitor was last reset in the CCM OIL PRESSURE UNITS RANGE PS Oil pressure is displayed in PSI only as indicated by the 5 engine oil pressure sender OIL RESET SWITCH OPEN CLOSED The Oil Reset Switch is a mechanical switch on the EOLM box It is used to reset the Oil Light telltale switch to the maximum value after the oil has been changed OPEN indicates the switch is not being reset and CLOSED indicates the switch is being reset OIL REVS LEFT HEXADECIMAL 0B90 3900 The Oil Revs Left parameter is only displayed as a hexadecimal value not mileage It should only be used as a check for the number of engine revolutions left on the engine oil as calculated by the EOLM based on factors such
157. gain to return to the Select Mode menu GM Body Systems Application 1988 2004 Page 110 System Test Modes 5 Selecting and Operating Test Modes CENTRAL CONTROL MODULE CCM The Central Control Module CCM Tests allow you to check or correct several CCM circuits by isolating a function to control The types of functions controlled are telltale lamps relays and dimming control All of the tests are operated the same way Mode F4 CCM Tests 1990 93 Y Body Chevrolet Corvette and 1993 D Body Cadillac Fleetwood Mode F4 OBD Controls 1994 96 Y Body Corvette and 1994 1996 D Body Cadillac Fleetwood To run the Mode F4 CCM tests or F4 OBD Controls tests do the following 1 Select F4 CCM TESTS or F4 OBD Controls from the Select Mode Menu 2 Select the desired test Example test menus are listed below F0 TT LAMPS Fl CHANGE OIL Fl CHIME 1 F2 CHECK GAUGES F2 CHIME 2 F3 SEATBELT F4 SECURITY F5 OIL LEVEL F1 GAUGES F2 SPEEDO F3 RADIO F1 HORN F2 REAR DEFOG F3 COURTESY When the test key is pressed the CCM data list is displayed with a three character abbreviation of the test selected at the end of line 2 The bottom right corner shows three different options 1 the and arrows 2 ON or 3 OFF The and arrows indicate the keys to use in controlling the selected test There are only two states activated or deactivated except that when first selected there i
158. ge 132 System Test Modes 5 Selecting and Operating Test Modes SUPPLEMENTAL INFLATABLE RESTRAINT SIR The F0 Flash Codes F1 Clear Codes test allows you to flash SIR trouble codes on the dashboard SIR telltale light Any SIR trouble codes present can also be cleared Refer to Service Manual to interpret the codes NOTE EH This test is available for 1990 Y Body vehicles only Mode FO Flash Codes 1990 Y Body Mode F1 Clear Codes 1990 Y Body To run Flash Codes and or Clear Codes for 1990 Y Body do the following SIR is displayed when a 1990 Y Body vehicle is selected from the Vehicle Selection menu Press G to select the SIR tests A Select Test menu with Flash Codes or Clear Codes is displayed Press a to flash stored trouble codes on the SIR telltale light or to clear the SIR codes Install the 12 12 Pin SIR DUAL UART adapter Vetronix P N 02001039 GM P N 0065 onto the DLC cable Plug the adapter into the DLC on the vehicle When the installation is complete press The tester asks you to turn the ignition to the OFF position then press the 19 9 key uU N AR A waiting message is now displayed for 3 seconds Turn the Ignition switch to the RUN position when the tester asks you to If you selected F0 FLASH CODES the trouble codes are now flashed on the SIR telltale lamp ON Press QAI to return to the Select Test menu If you wish to clear stored trouble
159. ge on CKT 524 between the following components Both ofthe high beam headlamps The high low beam selector switch The flash to pass switch HIGH FAN REQUEST NO YES This is a request from the BCM to the ECM for the High Fan to activate HORN RELAY ACTIVE INACTIVE ON OFF The horn relay input information refers to the horn operation ACTIVE ON displays when the following conditions exist The BCM senses that the horn relay coil circuit is grounded The horns receive a command to sound INACTIVE OFF displays when the following conditions exist The BCM does not sense that the horn relay coil circuit is grounded The horns do not receive a command to sound HORN RELAY FDBK OFF ON The CCM monitors the horn relay s control circuit A low voltage on this circuit indicates the relay is ON A high voltage state on the relay control circuit indicates the relay is OFF HVAC FAN IS AUTO NO YES This is a message sent to the CRTC from the BCM when the HVAC Fan speed is set to AUTO HVAC MODE CONTROL BCM ECCP This parameter shows whether the BCM or the Electronic Climate Control Panel ECCP system is controlling the HVAC system GM Body Systems Application 1988 2004 Page 208 Parameters Listed Alphabetically B Data List Parameters HVAC MODE DESCRIPTORS These descriptors indicate the commanded state of the HVAC The BCM ECU commands the state of the HVAC delivery mode to the remote HVAC
160. ger door lift glass jamb switch information refers to the position of the following components Right rear passenger door Left rear passenger door 4 door utility vehicle The lift glass 2 door and 4 door utility vehicles ACTIVE is displayed when any of the rear passenger doors or the lift glass is not completely closed INACTIVE is displayed when both of the rear passenger doors and the lift glass are completely closed GM Body Systems Application 1988 2004 Page 235 Parameters Listed Alphabetically B Data List Parameters PARAMETERS S Parameters beginning with the letter S SD TELLTALE DISABLED ENABLED Serial Data Lamp SEASON ODOMETER MILES 0 TO 999 999 KILOMETERS 0 to 1 609 999 This is the total accumulated mileage of the vehicle being tested The BCMs EEPROM stores this information for display on the IPC Pressing the key toggles the display between miles and kilometers NOTE EB Y Car CCM only updates the odometer counter every 16 miles SEATBELT BUCKLED STATES YES NO The seat belt buckled information refers to the position of the driver seat belt buckle YES displays when you buckle the driver seat belt buckle switch opened NO displays when you do not buckle the driver seat belt buckle switch closed SECURITY CALIB 16XXXXXX This number refers to the security calibration part number in the module SECURITY DISPLAY OFF ON The security dis
161. he E amp C Snapshot function allows you to capture a sequence of messages transmitted between components on the E amp C bus This can be used to look at what messages get transmitted on the bus when you press various keys on the control head s For example when you press the increase volume switch on the Radio Control Head the control head should send one or more increase volume commands and the radio receiver should respond with one or more report volume messages The E amp C Snapshot mode can be used to examine these messages The tester saves the last 25 messages which it detected on the E amp C bus These messages are stored in the tester memory in an area referred to as the E amp C Buffer This data is saved in the tester s keep alive memory so that if you disconnect the tester the data is not lost One difference between the E amp C Snapshot mode and the Snapshot for the Serial Data Link SDL is that the E amp C Trigger Point message 0 is always the most recent message The sample index is always 0 or negative If the Snapshot buffer is full this index can be sequenced between 0 and 24 To use the Snapshot function do the following 1 Select Snapshot from the E amp C Select Mode menu by pressing a The E amp C Snapshot menu allows you to select from the following options a FO REPLAY If there are any messages saved in the Snapshot buffer the last Snapshot data saved by the tester can be displayed If there are no messages in th
162. he headlamp switch is in the AUTO position The daytime running lamps are OFF 10 5 volts will be displayed when the following conditions exist The park lamps or the headlamps are turned ON The dome lamp switch is in the FULL bright position thumb wheel turned completely up just before the detent 0 1volts will be displayed if the following conditions exist The park lamps or the headlamps are turned ON The dimmer switch is in the FULL DIM position thumbwheel turned completely down DIMMING POT 0 to 100 The Dimming Pot is displayed in percent A value close to 0 represents maximum dimming and a value close to 100 represents maximum brightness DISCRM SENSOR OPEN CLOSED The discriminating sensor monitors vehicle velocity changes Each sensor consists of a sensing element nominally open switch contacts and a diagnostic resistor GM Body Systems Application 1988 2004 Page 194 Parameters Listed Alphabetically B Data List Parameters DISPLAY MODE UP STATES This parameter monitors the state of the IPC display The tester displays ON when the Display Mode Up switch is pressed and OFF when the switch is released DISPLAY ON KEY OFF ON The Display ON Key parameter reflects the state of the Information Key on the IPC when the Information key is pressed DISPLAY STYLE TOUR SEDAN VF UP LEVEL The tester displays whether the vehicle is a Touring Sedan or a Vacuum Florescent Up Level model DOME
163. he ignition key to run Waiting for ECM ignition 1s displayed until the tester has detected a message from the ECM to the BCM indicating that the ignition is on If you selected FO FLASH CODES the tester informs you that the codes flash on the Service LTPWS Lamp Press to flash trouble codes on the LTPWS warning lamp GM Body Systems Application 1988 2004 Page 117 System Test Modes 5 Selecting and Operating Test Modes The tester display informs you that Diagnostic Trouble Code 12 precedes any trouble codes stored 6 If you selected F1 CLEAR CODES the tester asks you to press to clear codes 7 Press Qe if you do not want to clear any codes While codes are being cleared Clearing LTPWS DTC s flashes for 9 seconds When code clearing is finished the display is updated 8 Press to see the complete message NOTE 3 You must cycle the ignition OFF and ON before the LTPWS lamp turn off It remains on without flashing after clearing codes to indicate that clearing codes has been completed 9 Press CAR twice to return to the Select System menu GM Body Systems Application 1988 2004 Page 118 System Test Modes 5 Selecting and Operating Test Modes TURN IGNITION ON THEN PRESS ENTER SELECT SYSTEM Y F0 CCM F9 E amp C F1 LTPWS F8 SIR REFER TO LTPWS DIAGNOSIS IN SERV MANUAL SECTION 3E SELECT MODE F0 FLASH CODES F1 CLEAR CODES TUR
164. he scan tool displays the validity ofthe Passlock code received by the BCM The scan tool displays OPEN SHORTED TAMPER and a valid code as a numeric value 1 10 PASSLOCK DATA VOLTS 0 00 to 5 00 The scan tool displays the voltage code from the Passlock sensor to the Body Control Module BCM A valid Passlock sensor voltage of 5 volts will be displayed on the scan tool when the ignition cylinder is turned to the ON position Once the ignition cylinder has been rotated to the crank position the Passlock voltage will drop from 5 to 0 86 4 28 volts depending on which of the 10 possible Passlock sensors the GM Body Systems Application 1988 2004 Page 226 Parameters Listed Alphabetically B Data List Parameters vehicle is equipped with The BCM then determines if the voltage received is a valid or invalid code The scan tool will continue to display the Passlock voltage code 0 86 4 28 volts received by the BCM when the ignition cylinder returns to the on run position PASSLOCK STATE Ignition Off Normal Learn Passlck Tamper Monitr Passlck Fail Enable Seedkey Learn Auto Lrn Pend Auto Learn The scan tool displays the state of the Passlock system PASSWRD LRN MODE ACTIVE INACTIVE The scan tool displays the state of the VTD password learn mode The scan tool displays INACTIVE when the Passlock system is not in a learn mode PCM FAIL ENABLE YES NO The scan tool displays the state of the VCM PCM fail en
165. hen the ignition switch is in the CRANK position UNKNOWN is displayed when the BCM is unable to determine the position of the ignition switch i e between the OFF and the RUN position IGN 1 VOLTS VOLTS 0 0 to 16 3 The tester displays the actual voltage measured by the CCM at the Ignition 1 input IGN 3 PRESENT YES NO Ignition 3 is a discrete input from the ignition switch to the CCM The tester states whether this input is present at the CCM IGNITION ON OFF The Ignition parameter displays ON if the ignition key is on or OFF if the ignition is off as seen by the RAC module IGNITION VOLTS 0 25 5 The Ignition parameter displays the system voltage measured by the SDM at its ignition feed IGNITION TYPICAL DATA VALUE 12 VOLTS VOLTS 0 to 12 The ignition represents the system voltage that is measured by the SDM between terminal 5 and terminal 7 IGNITION 1 VOLTS 0 0 to 16 3 Ignition 1 is the voltage present at the switched ignition circuit number 1 to the BCM GM Body Systems Application 1988 2004 Page 210 Parameters Listed Alphabetically B Data List Parameters IGNITION 1 ACTIVE INACTIVE ACTIVE is displayed when the ignition switch is in the RUN or CRANK position NACTIVE is displayed when the ignition switch is not in the RUN or CRANK position IGNITION 3 ACTIVE INACTIVE ACTIVE is displayed when the ignition switch is in the RUN position NACTIVE is dis
166. hen you are finished press to return to the Select Mode menu SELECT TEST Y RESET OIL LIFE F2 20 F3 100 YES RESETS 20 OIL LIFE REMAINING YES RESETS 100 OIL LIFE REMAINING GOOD RESET GOOD RESET 20 OIL LIFE 100 OIL LIFE REMAINING REMAINING EXIT EXIT FIGURE 5 14 EOLM Reset Oil Life GM Body Systems Application 1988 2004 Page 127 System Test Modes 5 Selecting and Operating Test Modes SELECT TEST Y F0 OIL TELLTALE F1 TRANSFER OIL LIFE DATA SELECT XFER STEP F0 GET OLD EOLM DATA F1 XFER TO NEW NO OIL TRANSFER DATA PRESENT YES USE DATA FROM THIS EOLM FOR TRANSFERRING TO A NEW EOLM YES UPDATES OIL DATA TO REVS XXXX MILEAGE YYYY YES CONTINUE TRANSFER DATA IS REVS XXXX MILEAGE YYYY EXIT 20 OIL LIFE REMAINING EXIT GOOD TRANSFER EXIT ENGINE OIL LIFE DATA TRANSFER FAILED EXIT FIGURE 5 15 EOLM Transfer Oil Life Data GM Body Systems Application 1988 2004 Page 128 System Test Modes 5 Selecting and Operating Test Modes HEATING VENTILATION AND AIR CONDITIONING HVAC Heating Ventilation and Air Conditioning HVAC tests are available for single and dual zone systems used in 1992 96 H body 1991 96 C body 1994 96 D car 1994 96 B car and 1995 96 G car vehicles The tests are identical for both vehicles excep
167. ial Data Link monitoring of the CRTC to BCM message TELLTALE LAMPS OFF ON The telltale lamps on the Instrument Panel Cluster can be commanded OFF or ON by the Body Computer Module The tester displays the BCM s desired control of each of the following telltale lamps ALTERNATOR T T LOW OIL LEVEL BRAKE T T LOW VOLTS T T CHANGE OIL T T LOW WASHER T T CHECK GAGE METAL TEMP T T CRUISE T T OIL LEVEL T T DOOR AJAR T T OIL PRESS T T ELEC FAULT T T RESUME T T HEADLAMPS ON T T SEAT BELT T T HIGH BEAM T T SECURITY LAMP T T LOW FUEL T T SERVICE A C T T GM Body Systems Application 1988 2004 Page 240 Parameters Listed Alphabetically B Data List Parameters TEMP DISPLAY STATES The tester indicates which temperature is currently being displayed TEST SWITCH RELEASED DEPRESSED When the Test Switch on the instrument panel is pushed the tester displays DEPRESSED otherwise RELEASED is displayed THEFT DET STATE PASSIVE ACTIVE DOORS ARMED ALARM TIMEOUT Theft Detection State indicates the setting of the security system in a RAC THEFT LAMP OFF ON FLASHING The security lamp turns ON for 15 seconds and then turns OFF when you open a door by using the handle or the key fob The security lamp also displays ON STEADY for 3 seconds and then turns OFF when the ignition switch turns from the OFF position to the RUN position If the IPC is unable to communicate with the BCM the security telltale displays
168. ies current through the inflator modules which will cause deployment of the air bags in the event of a frontal crash of sufficient force up to 30 degrees off the center line of the vehicle Deterrent Detection Defrost Digital Fuel Injection Defog Defrost Trouble codes Set by a system to indicate the occurrence of abnormal conditions Driver Information Center Delayed Interior Light relay activates courtesy lights Direction A parameter which can be in one of only two possible states HIGH LOW ON OFF etc Discrete Signal DIV DLC DLY DOHC DR DRA DRL DSIR DTC DVM E amp C E amp C Bus E amp C Component EBCM EBTCM ECCP ECM ECU EEPROM EFE EFI EGI EG2 EG3 EGR EGV An individual voltage or ground signal that is carried on its own wire Division Divert Data Link Connector Delay Double Overhead Cam Door Digital Ratio Adapter Daytime Running Lamps Desired Diagnostic Trouble Code Digital Volt Meter Entertainment and Comfort Entertainment and Comfort Bus A communication link which interconnects components of the entertainment and comfort systems of the vehicle A component which performs an entertainment or comfort function and which is connected to the E amp C Bus Electronic Brake Control Module Electronic Brake Traction Control Module Electronic Climate Control Panel Engine Control Module or Electronic Control Module Electronic Control Un
169. ility Regulator AIR Switch AIR System Automatic Transmission Automatic Transfer Case Automatic Battery Voltage GM Body Systems Application 1988 2004 Page 254 C Glossary and Abbreviations BARO BATT BCM BFC BILVL BKE BKL BLK BLM BLT Bosch ABS BPMW BPW BST BYP CAG CAL CALIB CAN Capture Data CAR CARB CAT CC C C CCDCIC CCM CCP CEL CELL CFI CHI CH2 Barometric Pressure Battery Body Control Module Body Function Controller Bilevel Brake Enable Relay Brake Light Block Block Learn Multiplier Block Learn Memory Seatbelt T T Bosch s ABS 2U system contained in some GM vehicles Brake Pressure Modulator Valve Blower Pulse Width Boost Bypass Check Gauge T T Calibration Controller Area Network Save information coming from the vehicle Cold Advance Relay California Air Resource Board Catalytic Cruise Control Climate Control and Diagnostic Information Center Central Control Module Climate Control Panel Check Engine Light Cellular as in phone Cross Fire Injection Chime 1 Chime 2 CHG CHK CKT Class 2 CLCC CLF CLM CLSD E E a E E NTRL NTRLR NTS or NTCS QO OC CY Y cO ON 2 lt Control Test COOL CPI CRTC CRTM CSFI CSV CTL CNTL CNTRL CTS CURR CVRSS CYCL DAB Oil Change T T Check Circuit GM communication protocol that defines diagnostic data messages and
170. in in cavity J of DLC and that the pin J wire is indeed connected to the E amp C bus See Service Manual Section 8A Refer to service manual to determine if E amp C components should be installed in vehicle Refer to service manual for component troubleshooting E amp C COMPONENTS MESSAGES 2 E amp C COMPONENTS E amp C BUS FAULT CHECK FOR OPEN OR SHORTED BUS The tester has failed in an attempt to transmit messages on the E amp C bus Most Likely Cause Tester cable is not plugged in securely Other Possible Causes The E amp C bus is open circuited The E amp C bus is shorted to battery or ground Recommendations Verify that the E amp C bus adapter is installed on the end of the tester cable and that the cable is plugged securely into the DLC e Verify that ignition is in RUN Check for open circuited E amp C bus Check for E amp C bus shorts GM Body Systems Application 1988 2004 Page 177 Repair Service A If You re Having a Problem E amp C COMPONENTS MESSAGES 3 E amp C COMPONENTS E amp C COMPONENTS E amp C BUS SHORTED E amp C BUS SHORTED TO GROUND TO BATTERY The tester has failed in an attempt to transmit messages on the E amp C bus NOTE These screens can only be seen on testers with serial numbers after EH xxx002000 Most Likely Cause The E amp C bus is shorted to ground or battery Other Possible Causes gnition switch is not in RU
171. ins descriptions of most data parameters Not all data parameters are transmitted by every ECU therefore not all data parameters can be monitored for each vehicle system To use Data List mode do the following 1 Select Data List from the Select Mode menu by pressing ai 2 Select the data parameters to be displayed by scrolling through the parameters with the and keys The data may be printed if the tester is connected to a compatible printer An RS232C I F Cartridge Kit P N 01001151 1s required for Tech 1 testers 3 To print the data press a While the data is being sent to the printer the keyboard is disabled Data can also be printed in a tabular format using the SCREEN PRINT feature This function is enabled by pressing for approximately 1 second until an RS232 Setup menu is displayed Pressing then enables the SCREEN PRINT function Refer to the tester Operator s Manual MTS 3100 and Tech 1A testers or the RS232C I F Cartridge Operator s Manual Tech 1 testers for more detail Operation of the Data List mode is summarized in Figure 5 1 on page 93 GM Body Systems Application 1988 2004 Page 92 Common Test Modes 5 Selecting and Operating Test Modes SELECT MODE AY F0 DATA LIST F1 SDL MONITOR F2 TROUBLE CODE BCM PROM I D XXXX VEHICLE SPEED EXIT OIL PRESSURE 40 PSI OIL LEVEL BRAKE FLUID LVL OK FOG LAMP SWITCH OFF MORE DATA PAIRS FIGURE 5 1 Example of Operating M
172. ion begins Detailed operating descriptions for each test mode are given in this section ACTIVE KEYS Used to select system and test mode Used to scroll the menu display i Turns off the automatic menu scrolling then used to scroll the menu display COMMON TEST MODES The Common Test Mode section is designed to keep Common Tests that apply to most Body systems together in one section The Common Tests all have the same active tester keys and menu layout for most Body systems The following modes apply to the Common Test Mode section Data List see Mode F0 DATA LIST SDL Monitor see Mode F1 SDL MONITOR DTC S see Mode F2 DTC S Snapshot see Mode F3 SNAPSHOT nformation see Mode F8 INFORMATION Additional information may be available for the Body system you are working on Refer to the specific Body system outlined in the Selecting and Operating Test Modes section of this manual GM Body Systems Application 1988 2004 Page 91 Common Test Modes 5 Selecting and Operating Test Modes MODE F0 DATA LIST The purpose of the Data List mode is to continuously monitor system data parameters In order to maximize the information that can be seen at one time the tester displays data parameters in pairs The Body Systems cartridge contains pre programmed data parameter pairs or you can create your own pairs See Create your Own Data Pairs on page 94 Appendix B of this manual conta
173. ion of the following features The automatic headlamps feature The Daytime Running Lamps DRL feature DVR DR UNLCK RLY ON OFF The driver door unlock relay output refers to the commanded state of the driver door unlock relay ON displays when the module commands the driver door unlock relay to turn ON ON momentarily displays when you press the RFA transmitter unlock button or an input from the power door unlock switches OFF displays when the BCM does not command the driver door unlock relay coil to turn ON and the driver door unlock relay does not energize DVR TEMP DN BTTN OFF ON State of the Driver Temp Down button ON is pressed OFF is released DVR TEMP UP BTTN OFF ON State of the Driver Temp Up button ON is pressed OFF is released GM Body Systems Application 1988 2004 Page 201 Parameters Listed Alphabetically B Data List Parameters PARAMETERS E Parameters beginning with the letter E ENABLE COUNTER 0 255 The displayed value refers to the number of times module has been enabled since manufacture This information is for the assembly plant use only ENG MET STATE METRIC ENGLISH This parameter indicates the measurement system used to indicate numerical values on an IPC DIC or CRIC ENG MET SWITCH STATES When the English Metric switch on the instrument panel is pushed the tester displays DEPRESSED otherwise it displays RELEASED ENGINE DATA SW ON OFF Av
174. isplaying the Data List parameters The data 1s organized as a number of data samples The value or state of each parameter as well as all trouble codes are saved for each sample when the trouble codes are in the same message as the snapshot data The data display indicates the waiting for trigger condition with a flashing W in the lower right hand corner of the display If you don t wish to wait for the selected trigger you can always force a trigger GM Body Systems Application 1988 2004 Page 103 Common Test Modes 5 Selecting and Operating Test Modes To force a trigger do one of the following Press Press GE or Press 199 IN CAR TEMP 24 C 76 F HVAC SET TEMP 22 C IN CAR TEMP 24 C 75 F HVAC SET TEMP 22 C Trigger Occurs Waiting for Trigger IN CAR TEMP 24 C 75 F HVAC SET TEMP 22 C SNAPSHOT TRIGGER OCCURED ON MANUAL KEY PRESS Trigger Occurred On Display Data Phase FIGURE 5 5 Data Capture Phase Flow Once the trigger occurs the tester continues to save data samples until its memory is full The data display indicates that the trigger has occurred by replacing the flashing W with a fixed T As soon as the memory is full the data capture terminates automatically and the tester goes to the Data Display phase After the data capture terminates the tester briefly displays the cause of the trigger You can also see this display by pressi
175. it Electrically Erasable Programmable Read Only Memory Early Fuel Evaporation Electronic Fuel Injection EGR Valve 1 EGR Valve 2 EGR Valve 3 Exhaust Gas Recirculation EGR Vent Solenoid GM Body Systems Application 1988 2004 Page 256 C Glossary and Abbreviations ELC ELEC EMB ENAB ENG EOLM EPR EPROM Equal ESB ESC EST ETS EVO EXH F12 FDBK or FB FDC FET FIX FLD FLR FNI FN2 FNCTN FOG FPR FREQ FRT FRNT FTD FTR Electronic Level Control Electric Electromagnetic Brake Enable Engine English Engine Oil Life Monitor Exhaust Pressure Regulator Erasable Programmable Read Only Memory Equalizer Expansion Spring Brake Electronic Spark Control Electronic Spark Timing Electronic Traction Control System Electronically Variable Orifice an advanced GM steering system Exhaust Fan 1 and 2 Feedback Fuel Data Center Field Effect Transmitter Fixed Field Fog Lamps Relay Fan 1 Fan 2 Function Rear Defog Relay Fuel Pressure Regulator Frequency Front Functional Test Director interactive test procedure Fuel Trim Reset Function Keys FUP FWD FXS GAG GEN GFD GLT GMP4 GND GOV GRD G S GVWR HDL HFN H L HRN HT HVAC HYDRL IAC ICCS LD or ID I F IGN ILC INC INCANDES IND INDIC Keys on the tester which can be used to select a particular function etc These keys double as numeric keys 0 9
176. ith or until the desired parameter is in the upper parameter location on the tester display The Body Systems Cartridge allows you to advance directly to the first last or trigger sample with the press of a button as shown in the following table ACTIVE KEYS Display first earliest sample G Display trigger sample 0 F6 Display last most recent sample To toggle between the sample index and sample time while in the Data Display phase do the following Press Uda IN CAR TEMP 24 C 75 F HVAC SET TEMP 22 C 16 ENTER ENTER IN CAR TEMP 23 C 74 F HVAC SET TEMP 22 C 3 4 FIGURE 5 6 Toggling Between Sample Index Sample Time The sample time display gives the time in seconds relative to the trigger sample at which the tester received the currently displayed sample For example a sample time of 3 4 means the sample was received 3 4 seconds after the trigger sample A sample time of 2 6 seconds means the sample was received 2 6 seconds before the trigger GM Body Systems Application 1988 2004 Page 105 Common Test Modes 5 Selecting and Operating Test Modes If you are using a Tech 1 the currently displayed Data List may be printed if the tester is equipped with an RS232C I F Cartridge Kit P N 01001151 connected to a compatible printer To print the data do the following Press While the RS232C Cartridge is sending data to
177. layed at three second intervals If after three seconds the tester has not received a response from any of the E amp C components it displays two alternating screens EAC COMPONENTS 3 seconds E amp C COMPONENTS VERIFY E amp C BUS 8 NONE IS INSTALLED CHECK FOR OPEN ON VEHICLE E amp C BUS 3 seconds If the tester is unable to successfully transmit a message a bus fault is indicated and the tester displays one of the following E amp C COMPONENTS E amp C COMPONENTS E amp C BUS COMPONENTS E amp C BUS FAULT E amp C BUS SHORTED E amp C BUS SHORTED CHECK FOR OPEN TO GROUND TO BATTERY OR SHORTED BUS GM Body Systems Application 1988 2004 Page 157 System Test Modes 5 Selecting and Operating Test Modes SELECT MODE AY F0 E amp C MONITOR F1 IDENTIFY F3 SNAPSHOT E amp C COMPONENTS Less than 3 seconds E amp C COMPONENTS RADIO CNTRL HEAD 3 Seconds E amp C COMPONENTS RADIO RECEIVER BOX 3 Seconds E amp C COMPONENTS REMOTE EQUALIZER 3 Seconds E amp C COMPONENTS CASSETTE TAPE 3 Seconds E amp C COMPONENTS COMPACT DISC 3 Seconds E amp C COMPONENTS CELLULAR PHONE 3 Seconds FIGURE 5 24 E amp C Component Identification Test GM Body Systems Application 1988 2004 Page 158 System Test Modes 5 Selecting and Operating Test Modes Mode F3 Snapshot T
178. le to the tester and tighten the screws 3 Insert the application into the Master Cartridge slot on the bottom rear of the tester If the system being tested uses Class 2 data type Alliance and aftermarket service centers using a Tech 1A tester must also insert the OBD II Interface Cartridge into the top slot of the Tech 1A FIGURE 4 2 Insert a Cartridge into the Tech 1A Tech 1A or Mass Storage Cartridge MSC 4 Install the appropriate adapter to the tester DLC cable Refer to Adapter and Adapter Cable Configurations on page 61 for information on selecting the correct adapters 5 Locate the vehicle s DLC Connect the DLC cable or the adapter attached to the end of the DLC cable to the vehicle Continue to Powering Up the Tester on page 56 GM Body Systems Application 1988 2004 Page 55 Powering Up the Tester 4 Getting Started TECH 1 Before you operate the Tech 1 do the following 1 Make sure the vehicle ignition is OFF 2 Connect the tester DLC formerly called the ALDL cable to the tester and tighten the screws 3 Insert the application into the Master Cartridge slot on the bottom rear of the tester FIGURE 4 3 Insert a Cartridge into the Tech 1 f Application Cartridge cc or Mass Storage C Cartridge MSC 4 Install the appropriate adapter to the tester DLC cable Refer to Adapter and Adapter Cable Configurations on page 61 for information on selecting the correct adapters 5 Loc
179. lication 1988 2004 Page 228 Parameters Listed Alphabetically B Data List Parameters PARAMETERS Q R Parameters beginning with the letters Q R QDM FAULT YES NO A quad driver is an output power device used to control high current components This parameter should read No RAC PGM LINE LEVEL II OR III Monitors the status of the RAC program line to pin G The tester monitors the status of the RAC program circuit at pin G of the ALDL connector The tester displays ON with an open circuit or high voltage If this circuit is pulled to ground tester displays OFF RAC SYSTEM LEVEL There are three RAC system levels The tester can test systems in levels 2 and 3 Level 1 RACs do not have Serial Data LEVEL PRO OPTION RAC Level 1 C97 Illuminated Entry KP2 Retained Accessory Entry RAC level 2 AU4 Automatic Door Locks AUO Remote Lock Control SDL Serial Data Link plus level 1 content RAC Level 3 AUG Universal Theft Deterrent plus levels 1 and 2 content RAC VERSION PILOT PROTOTYPE 1st 2nd 3rd 4th 5Sth 6th RAC Version number indicates the level of RAC control module software being used in the RAC system First through sixth levels are production versions RADIO LINK FAIL OFF ON The tester displays FAILED if the CRTC does not receive 3 messages in a row from the radio module over the E amp C bus The BCM does not set any codes or take any action just because this flag is set RAP CALIB 16XXXXXX
180. ller Area Network VIM P N F 00K 108 115 16 24 Pin DLC Adapter Cable P N 02001744 GM Body Systems Application 1988 2004 Page 69 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 9 OBD II C Adapter Configuration for MTS 3100 MTS 3100 OBD II Compliant DLC Cable Controller Area Network VIM P N 02003211 GM Body Systems Application 1988 2004 Page 70 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 10 OBD II Adapter Configuration for Tech 1A OBD II Interface Cartridge required to test vehicles with II Body Systems TECH 1A 14 26 Pin DLC Cable Application Cartridge 16 14 Pin OBD II Type 3 Adapter Cable GM Body Systems Application 1988 2004 Page 71 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 11 OBD II Adapter Configuration for Tech 1A TECH 1A 14 26 Pin DLC Cable OBD ND Vehicle Interface Application Module VIM Cartridge 16 24 Pin VIM DLC Adapter Cable GM Body Systems Application 1988 2004 Page 72 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 12 OBD II Adapter Configuration for Tech 1 14 15 Pin DLC Cable TECH 1 AN 70 Lee Application 27 Cartridge or CEN MSC TECH 1 14 12 Pin VIM Adapter TECH 1 OBD II Vehicle Interface Module VIM 16 24 Pin VIM Adapter Cable GM Body Systems Applica
181. loop and converts the measured voltage value to a LH side air bag deployment loop resistance value LH SIR AIR BAG SENSELO TYPICAL DATA VALUE 3 1 VOLTS VOLTS 0 20 The SDM measures the voltage at the LH side air bag low terminal 10 and displays this value as LH Side Air bag Senselo LH SIDE AIR BAG VDIF UNITS TYPICAL DATA VALUE 4 10 MV MILLIVOLTS 0 to 500 The SDM measures the voltage difference between driver side high and driver side low and displays this voltage difference as LH side Air Bag VDIF LIFT GLASS RELAY ON OFF The lift glass relay output refers to the commanded state of the lift glass relay coil ON displays when the BCM commands the lift glass relay coil to turn ON ON momentarily displays when you press the RFA transmitter lift glass release button twice within 3 seconds or you press the lift glass button e OFF displays when you do not press the RFA transmitter lift glass release button twice within 3 seconds or you do not press the lift glass button LIFT GLASS SW ON OFF The lift glass switch information refers to the position of the dash mounted lift glass switch e ON is displayed when the lift glass switch button is pressed in OFF is displayed when the lift glass switch button is not pressed in LIGHTING CALIB 16XXXXXX This number refers to the lighting configuration calibration part number in the module GM Body Systems Application 1988 2004 Page 216 Parameters
182. ly EXIT Return to SELECT E amp C TEST GM Body Systems Application 1988 2004 Page 156 System Test Modes 5 Selecting and Operating Test Modes Mode F1 Identify The E amp C component identification test performs two basic functions it tells you which E amp C components are currently operational on the E amp C bus and it identifies possible E amp C bus faults open circuit or shorted bus To do this the tester transmits messages to all of the components which might be connected to the bus and looks for a response from each one When it sees the response it displays the name of the component The components which the tester can recognize are Radio Control Head Radio Receiver and Amplifier Graphic Equalizer Control Head Cassette Tape Deck Compact Disc Player Steering Wheel Controls Climate Control Panel Cellular Telephone n some vehicles these components are not recognized in this mode Use the E amp C MONITOR mode to verify operation of these components NOTE Always verify that the system being tested has an E amp C bus Some radios are not compatible such as the Delco VF2000 Series To perform the E amp C Component Identification test do the following 1 Select the E amp C SYSTEM by pressing a9 2 Select the COMPONENT IDENTIFICATION test by pressing Gp After a short time the tester displays the names of the components which it can identify These names are disp
183. m the SIR 4 Install the Geo Prizm SIR adapter Vetronix P N 02001190 as prompted by the tester NOTE EB The Geo Prizm diagnostic connector for the SIR system is under hood 5 When you are prompted to Turn the ignition ON and press the enter key do not start the engine just turn the ignition key to run then press 11959 6 FLASH CODES If you select F0 FLASH CODES you are notified SIR warning lamp will flash DTC See Service Manual Press Gus to continue Diagnostic Trouble Codes are flashed on the SIR warning lamp If no codes are present the warning lamp flashes every 250 ms 4 times per second 7 Press CAR twice to return to the Select System menu GM Body Systems Application 1988 2004 Page 135 System Test Modes 5 Selecting and Operating Test Modes SELECT SYSTEM Y F8 SIR ALWAYS DO SIR DIAG SYS CHECK IN SRVC MANUAL SECTION 9J A INSTALL 93 PRISM SIR ADAPTER 3000015 SELECT MODE F0 FLASH CODES F1 CLEAR CODES TURN IGNITION ON THEN PRESS ENTER TURN IGNITION ON THEN PRESS ENTER ENTER ENTER SIR WARNING LAMP WILL FLASH DTC SEE SERV MANUAL ENTER CLEAR DIAGNOSTIC TROUBLE CODES YES NO ENTER IF NO DTC S STORED SIR WARN LAMP WILL FLASH AT 250 MSEC RATE CLEARING SIR DTC S Flashes for 9 Seconds AIR BAG WARNING LAMP WILL FLASH TO CONFIRM SIR DTC S CLEARED F
184. mittent or transient problem by storing system data parameters before and or after the problem occurs When the tester is operating in SNAPSHOT mode it continually stores information about data parameters and trouble codes A time and position index for the stored information is also saved The tester stores all of the Data List parameters and trouble codes for the vehicle selected It can store from 56 to over 999 data samples depending on the system being tested Each snapshot erases the previously stored information and records all new information BODY SYSTEMS THAT SUPPORT SNAPSHOT FUNCTION RFA CCP EOLM BCM IPC ACM HVAC PHN RAC CCM IRC E amp C DIC SIR Trigger Condition The trigger condition defines the specific circumstances under which you want the trigger to occur The possible trigger conditions are ANY CODE If any trouble code is detected it causes the trigger to occur SINGLE CODE You can select a specific trouble code that causes the trigger to occur MANUAL TRIGGER While operating the SNAPSHOT mode you can always cause the trigger to occur by pressing the or keys Once the trigger occurs the tester retains data according to which trigger point you have selected Trigger Point If F9 TRIG POINT is selected from the Snapshot Mode menu a trigger point selection menu is displayed Trigger Point allows you to specify which data to capture This can be Data that
185. n the output ON or increase the Override level and press the key to turn the output OFF or decrease the Override level GM Body Systems Application 1988 2004 Page 113 System Test Modes 5 Selecting and Operating Test Modes ABBREVIATIONS FOR OUTPUTS AND OVERRIDES MXD Mix Door Maximum A C A C Clutch CH1 Chime 1 CH2 Chime 2 FLR Fog Lamps Relay LMP Courtesy Lamp GEN Generator 1 Terminal HDL Head Lamps H L HI LO Beams TPL Twilight Park Lamps DRL Daytime Running Lamps Relay DAB Delayed Accessory Bus Relay BPW Blower Pulse Width VFD Vacuum Florescent Dimming a The functions listed under FO OUTPUTS are all two state functions typically enabled and disabled on and off activated or deactivated They are controlled by the and keys The key usually activates the function and the key deactivates it The state of the control is shown in the lower right corner as ON or OFF When first entering the test up and down arrows are displayed here This indicates the keys to use and also indicates controlling has not begun yet b The Blower PWM has eight control positions One is Blower off and the other are the seven vehicle blower speeds Control begins with the setting on the medium blower speed The key increases blower speed and the key decreases blower speed with each keypress until the blower is turned off The Data List parameter BLOWER COMMAND updates the new voltage control level of the blower
186. ng in the Data Display Phase To terminate the Data Capture phase early do the following Press 2419 The SNAPSHOT mode moves to the Data Display phase ACTIVE KEYS IN THE SNAPSHOT DATA CAPTURE PHASE GJ Manual trigger ENTER Manual trigger EXIT Manual trigger or Display captured data if trigger has already occurred Data Display Phase The Data Display phase is indicated with a number initially zero in the lower right hand corner of the display To select the data parameters to be displayed do the following Press the and keys GM Body Systems Application 1988 2004 Page 104 Common Test Modes 5 Selecting and Operating Test Modes To select the desired sample do the following Press the keys An index is displayed in the lower right hand corner of the tester display Sample 0 corresponds to the trigger sample sample is the sample immediately preceding the trigger sample is immediately after the trigger and so on The index range may be less than the maximum number of samples if not enough time was allowed for data capture before or after the trigger The index range also varies between systems due to different message lengths Take care that a lower parameter you are reading is not being overwritten by the sample date time To view an obstructed parameter do the following 1 Freeze a lower parameter which is not the desired parameter with ai 2 Then scroll w
187. ng so may prevent misuse of application cartridges and incorrect vehicle diagnosis Refer to Chapter 4 for complete information on the correct cables and adapters to use depending on which tester you have and the vehicle you are diagnosing Using This Manual Reading through this manual before putting your MTS 3100 to work introduces you to all of its capabilities and tells you how to use them immediately The application software is designed to reduce time consuming reference to manuals as much as possible Once you are familiar with the software and its operation you ll be able to spend more time diagnosing and less time reading Later if questions arise a quick glance at the flow chart for the test you are performing is probably all you need The flow charts in this manual consist of screen displays enclosed in boxes The displays are arranged in the order in which they appear while using the software Keys on the tester keypad are shown in the manual as white letters in small black boxes At the end of each test mode description there is a list of the active tester keys and their functions in that particular test Note that if you are using the MTS 3100 the display looks different for vehicle selection and data list software Otherwise the diagnostic routines are the same Tech 1 1A displays as those shown in this manual Refer to the MTS 3100 Operator s Manual for examples of MTS 3100 displays Most display screens require input from you
188. ns you should e Verify that the vehicle s ignition is in the ON position Check the connection to the DLC e Reselect the system and retry If this message persists you should check for a shorted or open serial data link or a faulty System ECU Once data has been received the tester displays each code for 3 seconds GM Body Systems Application 1988 2004 Page 97 Common Test Modes 5 Selecting and Operating Test Modes 3 If you want to freeze the display press the key Pressing causes the tester to sequence to the next code The tester displays trouble codes followed by a brief description of the code Certain body systems are capable of distinguishing between Current and History trouble codes These systems display a C current or H history at the end of line two on the tester display If a C or H is not displayed the system being tested doesn t differentiate between current or history trouble codes All codes are continually displayed until the key is pressed To clear Diagnostic Trouble Codes do the following 4 Press the key The tester prompts you to CLEAR CODES 5 Press Ye to leave the TROUBLE CODE DTC mode If you press the tester prompts you with the following message History Codes Will be Lost Continue 6 Press again to make the tester clear both current and history codes from the system you have selected 7 If the Code Clear Fail message is displayed re enter the TROUBLE CODE DTC mode and try to
189. nsor GM Body Systems Application 1988 2004 Page 217 Parameters Listed Alphabetically B Data List Parameters LOWER OUTLET UNITS RANGE DEGREES C 40 to 80 DEGREES F 40 to 176 Temperature of the lower heater outlet LT TURN SIGNAL RT TURN SIGNAL OFF ON These parameters change state anytime the IPC receives a signal from the Turn Hazard switch GM Body Systems Application 1988 2004 Page 218 Parameters Listed Alphabetically B Data List Parameters PARAMETERS M O Parameters beginning with the letters M O MIX DOOR ACTUAL 0 to 100 Displayed as a percent Mix Door Position should follow the commanded mix door position except when the door reaches the mechanical limit of its travel NOTE For 1990 96 Cadillac E and K Cars when in Data List or Snapshot mode EH the Mix Door does not move This does not indicate a problem with the vehicle or the tester MIX DOOR COMMAND 0 to 100 The Mix Door command is displayed as a percent A value close to 0 represents a cold air mix while a value close to 100 represents a warm air mix MIX DOOR DIRECTN FORWARD REVERSE The tester displays the direction that the Air Mix Door was last moved When the door is moved FORWARD more warm air enters the vehicle When the door is moved in the REVERSE direction more cool air enters MIX DOOR DRIVE The Mix Door Drive moves the Air Mix Door to the desired position
190. ntrols an actuator that adjusts the air mix valve position to blend cold and warm air The motor is reversible and moves a rotary shaft which drives the air mix valve link The motor also provides a position sensor signal to monitor the actual valve position The ACM responds to operate the four vacuum solenoids that control vacuum to the various actuators which control the following Air inlet re circulation valve e A C Defrost valve e Up Down valve In addition the ACM controls the Park Brake release actuator The PCM sends a Class 2 message to the ACM This message is sent when the transmission is shifted out of Park or Neutral The ACM tests allow you to check or correct several ACM circuits Tests include those for components such as High Low cooling fans various solenoids Park Brake release operation and Upper Lower motor operations Mode F4 OBD Controls To run the ACM tests do the following 1 Select F4 OBD CONTROLS from the Select Mode menu 2 From the Select Control menu choose from the following test menus F0 Solenoids FI Misc tests F0 Recirc Sol F0 Park brk rel F1 A C def Sol F1 Outside tmp F2 Air Up Sol F2 Upper motor F3 Air Dn Sol F3 Lower motor F4 Blower speed 3 When you press a test key the corresponding ACM data is displayed Use the and arrow keys to turn components On and Off 4 Press CA to return to the Select Control menu When you are finished with the ACM tests press AI a
191. nvoy Utility S T Auto HVAC Class 2 OBD II C2 GMC Blazer BCM 1999 VEHICLE COVERAGE 1999 Buick Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT PESTEM LINK CONFIG Park Avenue C HVAC Class 2 OBD 11 2 SIR SDM RCL2 Riviera G SIR SDM RSD UART OBD II C2 GM 16 Le Sabre H SIR SDM RSD UART OBD II C2 GM 16 Century Regal W Auto HVAC Class 2 OBD 11 OBD 1 SIR SDM G2 1999 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODEE 4TH DIGIT LINK CONFIG Eldorado E SDM RCL2 Class 2 OBD 11 2 Deville Seville K SIR SDM RCL2 Class 2 OBD 11 2 GM Body Systems Application 1988 2004 Page 35 Vehicle Coverage 3 Vehicle Coverage 1999 Chevrolet Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT SYS LINK CONFIG Camaro F SIR SDM G2 Class 2 OBD II C2 Cavalier J SIR SDM RSD UART OBD II C2 GM 16 Metro M SIR SDM I UART OBD II C2 GM 16 Malibu N SIR SDM RSD UART OBD II C2 GM 16 Prizm S SIR Flash Code GM P Lumina Monte Carlo SIR SDM RSD UART OBD II C2 GM 16 Corvette Y SIR SDM G2 Class 2 OBD II C2 1999 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT PASEM LINK CONFIG Aurora G SIR SDM RSD UART OBD II C2 GM 16 LSS Eighty Eight H SIR SDM RSD UART OBD II C2 Regency GM 16 Cutlass Alero N SIR SDM RSD UART OBD II C2 GM 16
192. o halt radio and resume cassette or CD BAND SELECT Alternates radio selection between AM and FM2 bands GM Body Systems Application 1988 2004 Page 250 E amp C Bus Control Messages B Data List Parameters E amp C BUS CONTROL MESSAGES The following table summarizes the E amp C functions which the tester can control for the E amp C components which can be controlled by the tester The Steering Wheel Control Head is an input device and cannot be controlled by the tester In general there are two messages which can be transmitted for a function e g increase volume and decrease volume The and keys as summarized in the table control the transmission of the messages For those functions where only one message can be transmitted causes the message to be transmitted and the key is ignored E amp C FUNCTION MESSAGE DESCRIPTION RADIO RECEIVER MESSAGES RADIO RECEIVER ON OFF Turn radio receiver on or off VOLUME INC DEC Increase or decrease volume by 1 step FADE FRONT REAR Fade to the front or rear by 1 step BALANCE LEFT RIGHT Move balance to the left or right by 1 step SEEK UP DOWN Increase or decrease frequency until station is found FREQ INC DEC Increment or decrement frequency to next channel SET AM 760 XMT Set frequency to 760 KHz Note The radio must be set to the appropriate band AM or FM in order for the tester to control the frequency SET
193. obile Passenger Cars Aurora G SIR E amp C DIC UART OBD II C2 HVAC IPC GM 16 RFA Class 2 OBD II C2 88 Royale H SIR E amp C UART OBD II C2 HVAC GM 16 RFA Class 2 OBD II C2 Achieva N SIR E amp C IPC UART OBD 11 2 GM 16 Cutlass Supreme WwW SIR E amp C UART OBD II C2 GM 16 1996 Pontiac Passenger Cars BODY VIN DATA ADAPTER MODEL YSTEM 9 4TH DIGIT zi LINK CONFIG Firebird F SIR E amp C UART OBD 1 2 GM 16 Bonneville H SIR E amp C UART OBD 1 2 HVAC IPC GM 16 RFA Class 2 OBD II C2 Sunfire J SIR E amp C IPC UART OBD 1 2 GM 16 Grand Am N SIR E amp C IPC UART OBD 1 2 GM 16 Grand Prix SIR E amp C UART OBD 1 2 GM 16 1996 Saturn Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT SERIEM LINK CONFIG SL SC SW Z SIR UART OBD II C2 GM 16 GM Body Systems Application 1988 2004 Page 28 Vehicle Coverage 3 Vehicle Coverage 1996 Light Duty Trucks Vans MPVs BODY VIN DATA ADAPTER MARE MODEL STH DIGIT CONFIG Chevrolet All Models C K L M SIR E amp C UART GM GMC Chevrolet All Models S T SIR E amp C UART OBD II C2 GMC GM 16 Geo Tracker E J SIR UART GM Chevrolet All Models U SIR UART GM Pontiac Oldsmobile 1997 VEHICLE COVERAGE 1997 Buick Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT Sy STEM LINK CON
194. ode FO Data List ACTIVE KEYS YES Scroll through the displayed data parameters gt 8 play Mark top displayed parameter as fixed for creating your own data pairs p displayed p 8y p Ga Mark bottom displayed parameter as fixed for creating your own data pairs Toggles between English and Metric values in some parameters G3 Print the Data List parameters EXIT Return to Test Mode menu GM Body Systems Application 1988 2004 Page 93 Common Test Modes 5 Selecting and Operating Test Modes Create your Own Data Pairs You can create data parameter pairs different from the pre programmed pairs Any two parameters which can be monitored for the VIN type you selected can be made into a pair New data pairs are created simply by scrolling either the bottom or top display parameter while the other display parameter is fixed Pressing causes the top display parameter to be fixed which is indicated with an asterisk in the left column of the second line of the display as shown in Figure A below Pressing Gp causes the bottom display parameter to be fixed as shown in Figure B To unfix the top parameter press aj again Press to unfix the lower parameter The tester won t allow both top and bottom parameters to be fixed at the same time As an example let s say you wish to create a pair with OIL PRESSURE and VEHICLE SPEED To do so scroll through the pre programmed pairs with the or key until
195. om the Select Mode menu by pressing af 2 Select one of the tests from the following menu F1 KEY TEST See step 7 F0 DIMMING CONTROL See step 5 F1 KEYPRESS BEEP See step 6 F2 CHIME TESTS F0 SLOW CHIME See step 6 F1 FAST CHIME See step 6 F3 SEGMENT CHECK See step 6 F4 RESET TESTS F0 TRIP ODO See step 6 F1 OIL LIFE See step 6 F5 ENGLISH METRIC TEST See step 4 F6 SWITCH TESTS See step 7 3 After the test is performed use the key to stop the test and return to the last DIC Tests menu Refer to the step number indicated in the previous table for specific instructions for each test 4 The parameter associated with the system selected is displayed first Scroll the parameters by pressing the and keys Press the key to turn the test on and the key to turn the test off The three character abbreviation at the end of line 2 indicates the test selected ON or OFF at the end of line 4 indicates the commanded state An example of the English Metric Test display is shown in the following illustration EXPORT STRAP DOMESTIC ENG ENG MET SWITCH DEPRESSED ON GM Body Systems Application 1988 2004 Page 124 System Test Modes 5 Selecting and Operating Test Modes 5 Dimming Control shows the Percent Interior Light Level data list parameter while testing dimming Control begins at 5096 The key increases the light level 10 with each keyp
196. ormation and can be in only one of two distinct states on off open closed etc Switches and solenoids are examples of discrete parameters Analog parameters are used to represent quantities and are displayed as a value with appropriate units Examples of analog parameters include Engine Speed and Coolant Temperature The Data List mode of operation allows you to examine data which the body system ECUS transmit during normal operation Included are data list parameters for the BCM EOLM RAC DIC and CCM systems The status of telltale monitor lamps for the Instrument Panel Cluster IPC can also be displayed NOTE The tester only displays data parameters for body system ECUS installed on the vehicle being tested In the SDL Monitor mode the tester passively eavesdrops on data being broadcast between the various body system ECUs You decide which message you want to monitor at any time Parameters displayed in Snapshot mode are the same as those displayed in Data List mode with the addition of a time and index stamp showing where the data occurred relative to the Snapshot trigger Snapshot parameters in the E amp C mode do not include the time and index stamp GM Body Systems Application 1988 2004 Page 179 Parameters Listed Alphabetically B Data List Parameters The following section gives descriptions of the body parameters that can be displayed with the Body Systems Cartridge Included are adescription of the
197. ould refer to the GM service manual to isolate the problem GM Body Systems Application 1988 2004 Page 170 6 FINISHING UP After using the application do the following 1 If the repairs are complete clear the codes from memory before test driving to see if they recur or before releasing the vehicle to the customer Ifyou have cleared the codes for a component but the codes are still set then the conditions which caused the codes to be set may still be present Refer to the OEM service manual to isolate the problem 2 If the repairs are not yet complete or if you want to continue testing at a later time do not clear the codes from memory Print a copy of the codes or write the codes down for comparison to the codes displayed when testing is resumed 3 Disconnect the tester from the cigarette lighter plug or the battery terminal adapter 4 Disconnect the cables and adapters from the vehicle s DLC You may want to inspect the cable connector and cigarette lighter for any damage or corrosion 5 Store all hardware components in the tester storage case If the tester becomes dirty clean it by wiping it with a rag dampened with mild detergent or hand soap Avoid using harsh petroleum based cleaning solvents such as acetone benzene and trichloroethylene as they may damage the tester Although the tester is water resistant it is not waterproof so be sure to thoroughly dry off the tester prior to storage Do not su
198. parameter monitors the 36 volt reserve Power Signal from the DERM to each air bag deployment loop On vehicles with driver side airbag only this parameter is displayed as 36 V Loop RSV GM Body Systems Application 1988 2004 Page 180 Parameters Listed Alphabetically B Data List Parameters PARAMETERS A Parameters beginning with the letter A A C CLUTCH REQ YES NO The BCM may request the ECM to activate the A C clutch when it is desired by the driver A C COMPRESSOR OFF ON This parameter displays whether the A C Compressor is OFF or ON A C DESIRED STATES This is a BCM request to the ECM to turn on the A C clutch This parameter displays ON if the A C is requested on Otherwise the tester displays OFF AIC HI SIDE TEMP DEGREES C 40 to 215 DEGREES F 40 to 418 The BCM uses a thermistor mounted in the air conditioning high pressure hose to monitor A C operation The tester displays degrees F and C A C LED OFF ON The state of the LED in the A C ON OFF button A C LO SIDE TEMP UNITS RANGE DEGREES C 40 to 215 DEGREES F 40 to 418 A thermistor is mounted in the evaporator low pressure hose of the A C system The tester displays degrees F and C AIC REQUEST OFF ON Displays if the HVAC ECU is requesting the PCM VCM to turn the A C system ON or OFF ADL LOCK ONLY or LOCK UNLOCK This parameter indicates the status of the Automatic Door Lock
199. per operation DOOR HANDLE SW ACTIVE INACTIVE The door handle switch information refers to the position of either of the door handles outside or inside The module uses this information to activate the illuminated entry feature Depending on the vehicle the parameter may apply to both front doors or just the drivers door ACTIVE is displayed when either of the handles is raised NACTIVE is displayed during normal operation DOOR HANDLE SW RAC OFF ON Electrical switches at the front door handles notify the RAC module when the handles are pushed in ON means one of the front door switches 1s pressed DOOR JAM RAC MINI WEDGE SW CCM CLOSED OPEN This parameter monitors the state of the door jamb input to the RAC CCM module Opening any one of the doors changes the status to OPEN DOOR JAMB SWITCH OFF ON The tester displays ON when either the driver s or passenger s front door is open DOOR KEY SW ACTIVE INACTIVE The door key switch is part of the driver door lock cylinder The door key switch is an input to the BCM to turn OFF the content theft system ACTIVE displays when you turn the door key switch by using the door key INACTIVE displays when you do not turn the door key switch by using the door key DOOR KEY SWITCH NORMAL UNLOCK This is a CCM input used to disarm the universal theft deterrent system when the doors are unlocked The tester displays UNLOCK when the lock cylinder is rota
200. play is a Level 3 RAC output The tester reflects the RAC module s desired control of the lamp ON or OFF SECURITY LAMP STATE STATES The scan tool displays the state of the SECURITY lamp The scan tool displays ON OFF or FLASHING SECURITY SUFFIX This is the version of the Security Calibration number in the module GM Body Systems Application 1988 2004 Page 236 Parameters Listed Alphabetically B Data List Parameters SELECT SOL 1 The state of the heater defrost vacuum select solenoid SELECT SOL 2 The state of the A C vacuum select solenoid SELECT SOL 3 The state of the heater vacuum select solenoid SELECT SOL 4 The state of the defrost vacuum select solenoid SELECT SOL 5 The state of the air inlet select solenoid SELECTED MODE The current selection for operating mode SENSOR FEED Discriminating sensor voltage SENSOR LOW STATES OFF ON OFF ON OFF ON STATES OFF ON OFF ON AUTO UPPER OUTLET BI LEVEL FLOOR DEFOG DEFROST OFF VOLTS 2403 VOLTS 0 to 40 The DERM monitors the low ground side of the airbag deployment loop This parameter should be within 41 61 of the 36 volt reserve power parameter SET COAST SWITCH OFF ON When the Cruise Control is on and the Set Coast Switch is pressed the tester displays ON otherwise it displays OFF SOFTWARE P N 16XXXXXX This information refers to the version of the softwar
201. played in a manner identical to that of the Data List mode You can also specify the data sample you wish to display Snapshot Set Up Phase To select Trigger Condition or display previously captured data do the following 1 Press the function key to the left of the desired trigger condition 2 To bypass the Data Capture phase and review previously captured data press a REPLAY DATA GM Body Systems Application 1988 2004 Page 102 Common Test Modes 5 Selecting and Operating Test Modes d SELECT MODE SETJE F0 DATA LIST F2 TROUBLE CODE F3 SNAPSHOT REPLAY PREVIOUSLY SELECT TRIGGER POINT CAPTURED DATA BCM PROM I D SNAPSHOT OPTIONS TRIGGER POINT AT XXXX F0 REPLAY DATA F0 BEGINNING VEHICLE SPEED F1 MANUAL TRIG F1 CENTER or 30 MPH 0 F3 ANY CODE F2 END of data F4 SINGLE CODE F9 TRIG POINT SNAPSHOT OPTIONS ENTER CODE 22 Code then ENTER DATA BCM PROM I D CAPTURE XXXX PHASE VEHICLE SPEED 30 MPH More Data Parameters FIGURE 5 4 Snapshot Setup Phase Flow ACTIVE KEYS IN THE SNAPSHOT SET UP PHASE Return to test mode menu Select trigger condition or trigger point Select Replay Data Select specific diagnostic trouble codes Enter selected diagnostic trouble code Data Capture Phase Once the trigger condition is specified the tester begins storing data parameters and trouble codes while d
202. played when the ignition switch is not in the RUN position IGNITION CYCLES LAMP OFF UNITS RANGE Number of ignition cycles with the warning lamp OFF IGNITION CYCLES LAMP ON CYCLES 0 to 125 Number of ignition cycles with the warning lamp ON IGNITION VOLTAGE VOLTS 0 to 20 The Scan tool displays 0 20 volts This ignition represents the system voltage measured by the SDM in its ignition fee IN CAR TEMP DEGREES C 18 to 99 DEGREES F 0 to 210 This sensor is located in the instrument panel for monitoring the inside temperature for the automatic temperature control system INADVERT PWR RLY ON OFF The inadvertent power relay output refers to the commanded state of the inadvertent power relay coil ON displays when the BCM commands the inadvertent power relay coil to energize The command allows the relay to power up the following components The courtesy lamp relay The vanity lamps The overhead reading lamps The underhood lamps The glove box lamp OFF displays when the BCM does not command the inadvertent power relay coil to turn ON The inadvertent power relay coil then does not allow current to the following components GM Body Systems Application 1988 2004 Page 211 Parameters Listed Alphabetically B Data List Parameters The courtesy lamp relay The vanity lamps The overhead reading lamps The underhood lamp The glove box lamp INADVERTENT PWR TMR SECONDS 0 1216
203. plication 1988 2004 Page 248 E amp C Bus Monitor Messages B Data List Parameters Descriptor Message Description GO TO FM PRESENT Tune the radio receiver to the FM station defined by FM Preset n n GO TO LAST AM Tune the radio receiver to the last AM station tuned STATION GO TO LAST FM Tune the radio receiver to the last FM station tuned STATION INC PRESET Tune to the next preset station DEC PRESET Tune to the previous preset station FADE REAR Fade to the rear by 1 step FADE FRONT Fade to the front by 1 step BALANCE RIGHT Move balance to the right by 1 step BALANCE LEFT Move balance the left by 1 step SET FADE amp BAL Set the fade amp balance to a specified value F f BB bb ff Fade 63 full rear bb Balan 63 full right ce FLAG COMMAND Set state of radio power stereo loudness and DNR to on or off a b c amp d 0 or 1 a 0 Radio off a l Radio on b 0 Stereo disable b 1 Stereo enable c 0 Loudness off c 1 Loudness on d 0 DNR off d 1 DNR on INC EQUAL CH 1 DEC EQUAL CH 1 Increase equalizer band 1 bass Decrease equalizer band 1 bass INC EQUAL CH 2 Increase equalizer band 2 DEC EQUAL CH 2 Decrease equalizer band 2 INC EQUAL CH 3 Increase equalizer band 3 DEC EQUAL CH 3 Decrease equalizer band 3 INC EQUAL CH 4 Increase equalizer band 4 DEC EQUAL CH 4 Decrease equalizer band 4 INC EQUAL CH
204. r AFECU or vehicle ALWAYS PUT THE PARKING BRAKE ON AND BLOCK THE WHEELS WHEN USING THIS TEST MODE PROTECT SNAPSHOT DATA Snapshot data 1s retained in tester memory for up to 24 hours even if the CAUTION tester is disconnected from the vehicle If you remove or change master cartridges or power up the tester without a master cartridge or with a different master cartridge you lose the snapshot data GM Body Systems Application 1988 2004 Page 5 Precautions for GM Body Application 2 Operating Precautions PRECAUTIONS FOR GM BODY APPLICATION CHECK TESTER INDUCED DTCs Under some conditions the tester can cause trouble codes to be set Generally these codes are associated with the serial data link It 1s important to determine if the trouble codes are set by the tester or are due CAUTION to a true malfunction in the vehicle Check for trouble codes at the start and at the end of testing If there are codes set at the end of testing but not at the start you may assume that they are caused by the tester and should be cleared and ignored E K V or Y Body vehicles can use onboard diagnostics or the GM Body System application to check ECM BCM or CCM codes GM Body Systems Application 1988 2004 Page 6 3 VEHICLE COVERAGE Use this section to assist you in operating your Vetronix tester and application software It covers everything needed to get your tester connected to the v
205. r the system being tested an INVALID CODE message is displayed and the code has to be reentered In addition to offering a trigger condition selection you have the option of selecting a trigger point If you select F9 TRIG POINT from the Snapshot Mode menu the following options are displayed F0 BEGINNING F1 CENTER and F2 END If a trigger position is not selected the center position is automatically used F0 BEGINNING The trigger is at the beginning of the captured data After the trigger occurs the tester continues to capture data until the memory is full then the data is displayed FI CENTER If enough time has elapsed before and after the trigger point a similar number of data samples that occurred before and after the trigger point is available for display However if the trigger occurs at or near the start of the Data Capture phase there are fewer samples before the trigger point is available for display Also if the key is pressed after the trigger occurs but before the tester memory is full fewer data samples captured after the trigger point are available for display F2 END Data that occurred before the trigger is displayed If the tester memory was not full when the trigger occurred some data samples captured after the trigger point are also available for display After the Data Capture phase you can scroll through all of the stored data for display In the Data Display phase data parameters are dis
206. rently operational on the E amp C bus and identifies possible E amp C faults F3 E amp C Snapshot Allows you to capture a sequence of messages transmitted between components on the E amp C bus F4 E amp C Controls Allows you to send messages to any of the E amp C components and control the operation of that component GM Body Systems Application 1988 2004 Page 89 Test Modes Summary 5 Selecting and Operating Test Modes SYSTEM MODE SUBMODE DESCRIPTION System Test F4 CCM Tests Allows you to check or correct several CCM Modes cont circuits by isolating a function to control Controls consist of telltale lamps relays and dimming control F4 BCM Tests Allows you to perform a number of output controls such as mix door A C Clutch chimes relays and lamps F4 IPC Tests Allows testing of dimming LEDs telltales chimes and segment tests F4 RAC Tests Allows you to test interior exterior and security lamps as well as exercise relays associated with the RAC system Functionality also consists of key tag programming and testing F4 DIC Tests Allows you to control dimming chime tests segment check reset tests english metric and switch tests F4 EOLM Tests Allows you to check the Engine Oil Life monitor system transfer oil life data from one EOLM control module to another and reset the oil life data to 20 or 100 remaining oil life F4 HVAC Tests Allow
207. ress The key decreases the light level 10 with each keypress PARK LAMP INPUT OFF DIM INT LIGHT LEVEL50 N 6 This control method indicates the test name and the control keys to press The present control state is indicated on line 2 of the tester display The key turns the control state on and the key turns the control state off KEYPRESS BEEP ON OVERRIDE TzoN l orr 7 The Switch Tests and Key Test decode the state of the DIC function keys You just hold down the DIC keys one at a time and the tester display indicates which key 1s being depressed If all keys are decoded correctly the following keyboard keys are available NONE ECON 1 FUEL 2 RANGE 3 SPEED 4 OIL 5 GAGES 6 DEST 7 ETA 8 E T 9 DT TM 0 ENTER and RESET PRESS AND HOLD ANY DIC KEY NONE 8 Press AB to return to the Select Test menu ENGINE OIL LIFE MONITOR EOLM EOLM tests are available for 1991 94 Buick C body 1992 94 Buick H body 1994 Oldsmobile C body 1994 Oldsmobile H body and 1994 Pontiac H body vehicles The EOLM Tests function allows you to check the Engine Oil Life Monitoring telltale system transfer oil life data from one EOLM ECU to another and reset the oil life data to 20 or 10096 remaining oil life Mode F4 EOLM Tests To run the Mode F4 EOLM tests do the following 1 Select EOLM from the Select System menu 2 Select EOLM TESTS from the Select Mode menu by pressing a GM Body Systems
208. rigger select GM Body Systems Application 1988 2004 Page 106 Common Test Modes 5 Selecting and Operating Test Modes Data Sample that occured just before the trigger occured Trigger Position Data Sample that occured just after the trigger occured More Data Samples before the trigger IN CAR TEMP 24 C 76 F HVAC SET TEMP 22 C 1 More Data Samples IN CAR TEMP 24 75 F HVAC SET TEMP 22 C SUNLOAD TEMP 29 85 F HVAC SET TEMP 32 C More Data Parameters IN CAR TEMP 23 C 74 F HVAC SET TEMP 22 C More Data Samples 1 More Data Samples after the trigger FIGURE 5 7 Data Display Phase Class 2 Snapshot Data Display Phase Snapshot data from a Class 2 system can be displayed before entering the Body Systems Application software If a Snapshot is saved in memory the tester displays the following screen asking if you would like to replay the snapshot before entering the vehicle selection process REPLAY SAVED SNAPSHOT DATA YES NO If you select NO the tester continues and allow you to select the model year and body VIN You can continue testing as normal however if you choose YES the tester displays the saved snapshot GM Body Systems Application 1988 2004 Page 107 Common Test Modes 5 Selecting and Operating Test Modes GENERAL MOTORS BODY SYSTEMS 1988 2004 vX X ENTER If Snapshot i
209. rtridge and the vehicle identification screens test menus and data screens are as described in this manual When this application is used with the MTS 3100 in conjunction with a program card vehicle identification screens test menus diagnostic trouble codes and diagnostic data parameters can be viewed in full screen Enhanced Mode displays Refer to the Enhanced Mode operating instructions in the program card operator s manual for further detail A Note about Tech 1 and Tech 1A Testers The Tech 1 was originally introduced as an OEM scan tool in 1984 The Tech 1 Series A Tech 1A was released in 1989 and is an updated version of the Tech 1 After 19 years of successful distribution Vetronix decided to retire the Tech 1 and Tech 1 A in 2003 This further established the MTS 3100 s foothold in the automotive service industry Please note that while every attempt has been made to ensure the cartridge based software applications work on the Tech 1 and Tech 1A testers Vetronix strongly recommends that Tech 1 and Tech 1A owners update to the MTS 3100 tester Tech 1 and Tech 1A owners now qualify for special discounts on any MTS 3100 tester purchase Please contact our customer support department for program details 800 321 4889 Ext 4 Important Please Read When you are using this manual to diagnose a vehicle take the time to determine the type of tester that you are working with and be sure you are using the correct cables and adapters Doi
210. s no overriding state selected yet 3 Press to return to the CCM Tests menu 4 When you are finished with the CCM Tests press 248 to return to the Select Mode menu GM Body Systems Application 1988 2004 Page 111 System Test Modes 5 Selecting and Operating Test Modes ACTIVE KEYS Select Test to perform Used to control lamp relay or dimming control Return to Select Mode menu Mode F5 VIN and Option Content The VIN and Option Content mode is available on certain CCM BCM and IPC systems It reads the VIN and if available the vehicle s options such as type of gasoline destination country of the vehicle features available and other qualities of the vehicle that do not change These parameters are stored in the EEPROM of the particular control system To use VIN and Option Content Mode do the following 1 Press G to select the VIN amp OPTION CONTENT mode from the Select Mode menu Parameters containing information specific to the vehicle being tested are displayed 2 Use the and keys to scroll through the parameters You can create your own data pairs as explained in the F0 DATA LIST section 3 Press 3A to return to the Select Mode menu BODY CONTROL MODULE BCM BCM tests are available for the 1988 93 Buick E car 1988 91 Cadillac E and K cars 1988 93 Oldsmobile E car and 1990 93 Cadillac C car vehicles NOTE During BCM control key presses NO DATA FROM BC
211. s Application 1988 2004 Page 153 System Test Modes 5 Selecting and Operating Test Modes Mode F0 E amp C Monitor The E amp C MONITOR test allows you to monitor transmissions on the E amp C bus This allows you to verify that messages are transmitted in response to driver inputs For example you can test all of the switches on the radio control head by pressing the switches and using the tester to verify that the appropriate message gets transmitted on the E amp C bus To perform the E amp C Monitor test do the following 1 Select the E amp C TESTS by pressing 2 Select the E amp C MONITOR test by pressing a You should see the following display E amp C DATA MONITOR RECEIVED MSG NONE FIGURE 5 21 E amp C Data Monitor Screen When messages are transmitted from one E amp C component to another you see that message displayed on the tester An asterisk is displayed in the lower right corner of the display for 1 10 second each time a message is detected That way you can tell if a message is being transmitted repeatedly e g increase volume 3 If you wish to stop the display update press An H for HOLD is displayed in the corner while the message is being held 4 If you press al the tester will WAIT and display W until the next message is detected and then hold that message and display H 5 Normal operation is resumed by pressing This allows you to look for things to happen on the E amp C bus
212. s Saved Replay saved Snapshot data YES NO Select Model Year 2004 4 Go to Regular SNAPSHOT TRIGGER vehicle selection OCCURED ON and testing MANUAL KEY PRESS 5 Seconds Go to first frame of Snapshot Dvr Frontal Loop Disabled Pas Frontal Loop Disabled FIGURE 5 8 Snapshot Class 2 Data Display Phase MODE F8 INFORMATION The purpose of the nformation test mode is to supply additional information about the vehicle or system under test Information test mode includes System Status e System Identification Calibration Identification NOTE Not all Body Systems have the F8 Information option available GM Body Systems Application 1988 2004 Page 108 Common Test Modes 5 Selecting and Operating Test Modes SELECT MODE Y F8 INFORMATION SELECT MODE F0 MODULE 1 F1 MODULE 2 Base Part Number 33333333 Calibration ID Comp Serial 8 11 2222 DDDD FIGURE 5 9 Information Test Mode ACTIVE KEYS G3 Select Information from the Select Mode menu Select the information type from the Select Datalist menu NO Scroll through the Datalist Return to the Select Datalist menu GM Body Systems Application 1988 2004 Page 109 System Test Modes 5 Selecting and Operating Test Modes SYSTEM TEST MODES AIR CONDITIONING MODULE ACM The ACM provides the controls for temperature regulation It co
213. s control of single and dual temperature zone systems Output controls consist of mix doors solenoids A C clutch rear defrost blower PWM and program number F5 VIN and Option Allows reading of VIN and if available the Content vehicle s options F5 Speaker Test Allows you to test each of the vehicle s speakers independently GM Body Systems Application 1988 2004 Page 90 Selecting the System and Test Mode 5 Selecting and Operating Test Modes SELECTING THE SYSTEM AND TEST MODE The tester makes selecting systems and test modes easy by displaying a Select System menu and Test Mode menu The menus show which key is used to select the system or test mode In some cases all of the systems and test modes cannot be displayed on the tester screen at the same time so the tester automatically sequences through all pages of the menu You can stop the automatic scrolling by pressing the key The display can then be manually scrolled by pressing the or keys To select a system or test mode press the tester key to the left of the system or test mode listed on the menu Regardless of which test modes are being displayed any test mode can be selected from either menu page Examples of a Select System menu and a Select Mode menu are shown below SELECT SYSTEM SELECT MODE F0 BCM F0 DATA LIST F1 IPC F1 SDL MONITOR F8 SIR F2 TROUBLE CODE Once you ve selected a system and test mode operat
214. s maximum limit via the HVAC control module For example this could be 100 for the blower motor or 255 counts for Mode Door e OFF the scan tool turns the component OFF or to its minimum limit via HVAC control module For example this could be 096 for blower motor or 0 counts for Mode Door GM Body Systems Application 1988 2004 Page 130 System Test Modes 5 Selecting and Operating Test Modes The following controls are available on 1997 through 2002 W Body Buick passenger cars equipped with Auto HVAC FO Sol Tests Command selected solenoid ON and OFF F0 Sol 1 Defog F1 Sol 2 Heater F2 Sol 3 Defr Ht Sol 4 Air In F4 Sol 5 A C Mode Fl Misc Tests F0 Lft Mix Motor Commands the motor to its maximum hottest position ON or to its minimum coldest position OFF F1 Rt Mix Motor Commands the motor to its maximum coldest position ON or to its minimum hottest position OFF F2 Blower Motor Turns the blower motor to full speed ON or OFF Rear Defogger Commands the Rear Defogger ON or OFF The following controls are available on 1998 2001 S T Light Trucks equipped with Auto HVAC NOTE EH During Solenoid Tests the blower motor is disabled F0 Sol Tests F0 Solenoid 1 Commands the HVAC ECU to energize ON or de energize OFF the defroster solenoid F1 Solenoid 2 Commands the HVAC ECU to energize ON or de energize OF
215. s the courtesy lamp relay input in order to determine the state of the courtesy lamp relay ON displays when the BCM commands the courtesy lamps to turn ON by providing a ground for the courtesy lamp relay coil GM Body Systems Application 1988 2004 Page 190 Parameters Listed Alphabetically B Data List Parameters OFF displays when the BCM is not commanding the courtesy lamps to turn ON by not providing a ground for the courtesy lamp relay coil COURTESY LMP TMR SECONDS 0 40 The courtesy lamp timer is used to control devices that attach to the following illuminated entry remote illuminated entry and exit lighting circuit The time each circuit remains ON 1s dependent on the lighting calibration In most cases turning the ignition to the ON position will override the programmed light timing The value displayed represents the time in seconds before the module turns off the courtesy lamp relay COURTESY LMP SW OFF ON The courtesy lamp switch is located on the instrument panel When the switch is set to ON it requests the BCM CCM to turn on the lamps COURTESY RELAY BCM COURTESY OUTPUT CCM OFF ON This parameter displays whether the Courtesy Lamp Relay is being commanded OFF or ON by the BCM CCM CRANK STATES YES NO This parameter monitors the status of the crank input to the DERM When the engine is being cranked system voltage is applied to the DERM crank input This causes the DERM to gro
216. se blower motor speed ON is pressed OFF is released FLASH TO PASS SW ON OFF The BCM monitors the flash to pass input on CKT 1356 in order to determine if the high beams are requested ON The scan tool displays ON when the BCM or the Flash To Pass switch commands the high beams ON OFF is displayed when the flash to pass switch or the BCM is not commanding the high beams ON FOG LAMP RELAY OFF ON The BCM controls the Fog Lamp Relay to be either ON or OFF FOG LAMP SWITCH OFF ON The Fog Lamp Switch is mounted on the instrument panel and is a direct input to the BCM on Reatta models requesting the fog lamps FOG TWILIGHT RELAY OFF ON This is the BCM control signal to the fog lamp relay on Reattas and the twilight relay on Rivieras GM Body Systems Application 1988 2004 Page 203 Parameters Listed Alphabetically B Data List Parameters FREON PRESSURE STATES The Freon Pressure Switch signals the BCM to illuminate the Service A C System lamp when freon pressure is very low FRONT DOOR DRIVER S DOOR PASSENGER S DOOR CLOSED OPEN The tester displays the position of the driver s door on 2 door cars either the driver s or the front doors on 4 door cars depends on the vehicle being tested or the passenger s doors as indicated by the BCM s input switches at each door FRNT FOG LMP RLY ON OFF The front fog lamp relay output refers to the commanded state of the front fog lamp relay coil
217. sonnel should be able to diagnose and repair electronic control systems Disclaimer Every attempt has been made to provide complete and accurate technical information based on factory service information available at the time of publication However the right is reserved to make changes at any time without notice FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Using This Application with the MTS 3100 The MTS 3100 diagnoses OBD systems in a similar manner as the Tech 1 Tech 1A but with the addition of data display enhancements All tester adapters required to perform OBD system diagnostics are described in this operator s manual Be sure to read the vehicle coverage tables for proper adapter configuration before connecting to the vehicle s diagnostic data link connector When used alone in the MTS 3100 the operation of the ca
218. ss 2 OBD II C2 Century Regal Auto HVAC Class 2 OBD 11 2 SIR SDM G2 G3 2000 Cadillac Passenger Cars BODY VIN DATA ADAPTER MODERE 4TH DIGIT PESTEM LINK CONFIG Eldorado E SIR SDM RCL2 Class 2 OBD II C2 Deville Seville K SIR SDM G6 Class 2 OBD II C2 2000 Chevrolet Passenger Cars MODEL gra pret SYSTEM UK CONFIG Camaro E SIR SDM G2 Class 2 OBD II C2 Cavalier J SIR SDM G2 Class 2 OBD II C2 Metro M SIR SDM I UART OBD II C2 GM 16 Malibu N SIR SDM G2 Class 2 OBD II C2 Prizm S SIR SDM Flash Code GM P Lumina Ww SIR SDM RSD UART OBD 11 2 GM 16 Monte Carlo Impala SDM G2 Class 2 OBD II C2 Corvette Y SIR SDM G2 Class 2 OBD II C2 GM Body Systems Application 1988 2004 Page 38 Vehicle Coverage 3 Vehicle Coverage 2000 Oldsmobile Passenger Cars BODY VIN DATA ADAPTER MODEL 4TH DIGIT LINK CONFIG Alero N SIR SDM G2 Class 2 OBD II C2 Intrigue SIR SDM G2 Class 2 OBD II C2 2000 Pontiac Passenger Cars 2000 Saturn Passenger Cars MODEL graprarr SYSTEM Pk CONFIG Firebird Formula F SIR SDM G2 Class 2 OBD II C2 Bonneville H SIR SDM G4 Class 2 OBD II C2 Sunfire J SIR SDM G2 Class 2 OBD II C2 Grand Am N SIR SDM G2 Class 2 OBD Il C2 Grand Prix W SIR SDM G2 G4 Class 2 OBD II C2 BODY VIN DAT
219. states of the discrete parameters adescription of the units and the range of the analog parameters analog ranges are widest possible ranges not necessarily realistic maximum or minimum ranges e a description of the parameter PARAMETERS LISTED ALPHABETICALLY The following list contains all parameters listed alphabetically with those that begin with a number listed first PARAMETERS NUMERIC These parameters begin with a number 1ST LAMP DRIVER OFF ON The 1st Lamp Driver parameter indicates the status of the primary lamp driver which 1s connected to terminal B The 1st and 2nd Lamp Drivers control the operation of the AIR BAG warning lamp during bulb check seven flashes at key on and illuminate the lamp when a malfunction is detected 2ND LAMP DRIVER OFF ON This parameter indicates the status of the secondary lamp driver which is connected to terminal B7 The Ist and 2nd Lamp Drivers control the operation of the A R BAG warning lamp during bulb check seven flashes at key on and illuminate the lamp when a malfunction is detected 4TH GEAR SWITCH OFF ON This is an ECM parameter input from a switch mounted in the automatic transmission When the car is in 4th gear the parameter reads ON Otherwise the tester displays OFF 8 DIGIT GM PART NUMBER The scan tool displays an 8 digit part number This number is the GM part number that is stored within the SDM memory 36 V LOOP RSV VOLTS 28 4 to 44 0 This
220. step 4 and Automatic Door Locks see step 5 After a RAC test has been performed press to return to the Select Test menu 3 Lamps and Relays SELECT OUTPUT F0 LAMPS F1 RELAYS F2 AUTO DR LOCK If you choose F0 OUTPUTS a Select Output menu is displayed a Press either to test lamps or GP to test lock relays for the doors and trunk as well as relays for the horn and Retained Accessory Power RAP A menu of the lamps or relays available for testing 1s displayed When the lamp or relay you wish to test has been selected Data List pairs are displayed on the tester screen At the end of line two an abbreviation indicating the lamp or relay chosen is displayed and up and down arrows are displayed at the end of line four Abbreviations for the lamps and relays are listed in the following table ABBREVIATIONS FOR LAMPS AND RELAYS Interior Lamps ULC Unlock Door Relay ELP Exterior Lamps TRK Trunk Relay STT Security Telltale UDR Unlock Driver s Door Relay HRN Horn RAP Retained Accessory Power LOC Lock Door Relay Level III necessary for test Level III with Security System necessary for test GM Body Systems Application 1988 2004 Page 120 System Test Modes 5 Selecting and Operating Test Modes b Use the key to turn the lamp or relay ON or the key to turn the lamp or relay OFF The arrows at the end of line four are replaced by OFF or ON indicating the status of the
221. t that the single system has one mix door to control and the dual zone has two mix doors Mode F4 HVAC Tests To run the Mode F4 HVAC tests do the following 1 Select FA HVAC TESTS from the Select Mode menu 2 Select the desired control function from the following HVAC TESTS selection menus F0 OUTPUTS F0 MIX DOOR MAX MIX DOOR 1 F2 MIX DOOR 2 F1 VACUUM SOLENOIDS F1 VACUUM SOLENOID 1 F2 VACUUM SOLENOID 2 F3 VACUUM SOLENOID 3 F4 VACUUM SOLENOID 4 F2 A C CLUTCH F3 REAR DEFROST F1 OVERRIDES FO BLOWER PWM F1 PROGRAM NUMBER Fl REAR DEFROST F2 AMB TEMP This test is located in the Outputs Selection menu for some vehicles and Overrides Selection menu for other applications These tests are not available for all vehicle model years and or body types 3 When the test key is pressed the HVAC data list is displayed with a three character abbreviation of the selected test displayed at the end of line 2 The data list displays the data pair corresponding to the test in progress The bottom right corner shows three different options the UP and DOWN arrows ON or OFF The UP and DOWN arrows indicate that the test is ready to begin Press the key to turn the test ON and the key to turn the test OFF GM Body Systems Application 1988 2004 Page 129 System Test Modes 5 Selecting and Operating Test Modes The Output
222. ta which is transmitted between the different See Mode F1 SDL body systems MONITOR on page 94 F2 DTCs Displays DTCs that have been stored by the body system computers See Mode F2 DTC S on along with a description of the DTC DTCs can be cleared or kept in page 97 memory for later review Snapshot Records data before and after the occurrence of an intermittent fault See Mode SNAPSHOT on condition Trigger conditions are user selectable and include trigger page 100 on body computer fault codes or on a manual key press Any part of the sample time can be displayed in data list format with a time sample stamp F4 Special System Tests and Bi directional identification control system outputs trace signals for Control Functions troubleshooting You can also conduct system specific tests such as transferring engine oil life data from one EOLM to another and programming new RAC key tag signals F5 VIN and Option Control Read the vehicle identification number VIN and display which See Mode F5 VIN and Option options are installed on the vehicle Content on page 114 F8 Information Display vehicle information such as ECU identification information serial number make date etc and vehicle information such as VIN GM Body Systems Application 1988 2004 Page 2 Operating Modes 1 GM Body Application Description E amp C Test Modes Key FO Name E amp C Monitor See Entertainment amp
223. tage GM Body Systems Application 1988 2004 Page 238 Parameters Listed Alphabetically B Data List Parameters SYSTEM MONITOR STATES When the System Monitor Switch on the instrument panel is pushed the tester displays ON otherwise OFF is displayed This is a momentary contact switch Use tester Snapshot to test switch operation GM Body Systems Application 1988 2004 Page 239 Parameters Listed Alphabetically B Data List Parameters PARAMETERS T Parameters beginning with the letter T TACH SWITCH RELEASED DEPRESSED When the Tach Switch on the instrument panel is pushed the tester displays DEPRESSED otherwise RELEASED is displayed This is a momentary contact switch Use tester Snapshot to test switch operation TAMPER SWITCH OPEN CLOSED A normally open switch that closes to ground when a key cylinder assembly is removed This is a circuit of the universal theft deterrent system used on Level 3 RAC systems TAMPER TIMER UNITS RANGE The scan tool displays the time remaining when in the tamper mode The timer starts when the ignition switch is turned to the RUN position and the BCM receives a Passlock data voltage different from the last learned voltage The timer has a delay of 10 minutes and will stay active even if the ignition switch is cycled from the RUN to the OFF position TAPE DECK STATUS OK FAILURE Available for 1988 89 Oldsmobile E Cars with a CRTC Tape Deck Status is displayed during Ser
224. tage to the high side of the deployment module This parameter displays the open closed switch status of the sensor circuit AUTO BUTTON OFF ON The state of the Auto Button Pressed is ON and released is OFF AUTO HDLMP ENBLE YES NO The data item refers to the commanded state of the auto headlamp feature YES displays when the BCM commands the auto headlamps to turn ON NO displays when the BCM commands the auto headlamps to turn OFF AUTO HEADLAMPS ACTIVE INACTIVE The data item refers to the user setting of the auto headlamps feature ACTIVE displays when the auto headlamps feature is ON NACTIVE displays when the auto headlamps feature is OFF AUTO LEARN TIMER SECONDS 0 2040 The scan tool displays the seconds used by the BCM to learn valid code from the Passlock sensor The learn procedure consists of 3 consecutive periods AUX INSD AIR UNITS RANGE DEGREES C 40 to 150 DEGREES F 40 to 300 Output value of the auxiliary inside air temperature sensor inside the vehicle cab GM Body Systems Application 1988 2004 Page 184 Parameters Listed Alphabetically B Data List Parameters AUX LOWER OUT UNITS RANGE DEGREES C 40 to 150 DEGREES F 40 to 300 Output value of the auxiliary lower heater outlet temperature sensor AUX LOWER OUT TEMP COUNTS 0 to 255 Output value of the auxiliary lower heater outlet temperature sensor AUX MIX DR ACT CO
225. ted and NORMAL when the lock is at rest GM Body Systems Application 1988 2004 Page 196 Parameters Listed Alphabetically B Data List Parameters DOOR LOCK RELAY STATES The door lock relay parameter refers to the operation of the power door locks and power door lock relay The RAC module can control the power door locks through the relay assembly ON displays when the BCM RAC senses the door lock relay coil is energized motors OFF displays when the BCM RAC does not sense that the door lock relay coil is being energized DOOR UNLOCK RELAY OFF ON This parameter indicates that the RAC module has activated the unlock coil of the door lock relay assembly The RAC module can control the power door locks through the lock relay assembly DR LOCK RLY FDBK ON OFF The door lock relay output refers to the commanded state of the door lock relay ON displays when the BCM commands the door lock relay coil to turn ON ON momentarily displays when you press the RFA transmitter lock button or if you press the power lock button OFF displays when you do not press the RFA transmitter lock button or the power lock button DRIV CURENT SINK STATES The Driver Current Sink parameter indicates whether the DERM is currently grounding Driver Side Low terminal B8 DRIVER 36 VLR VOLTS 0 0 to 40 0 The Driver 36 VLR parameter indicates the Driver s Side voltage supplied by the DERMs 36 volt power supply This measurement is ma
226. test modes within a vehicle multiplexed network Closed Loop Carburetor Control Closed Loop Fuel Column Closed Command Central Multi port Fuel Injection Camshaft Position Control Controller Contacts Catalytic Converter A test where the tester controls some the vehicle s functions Coolant Central Port Injection Cathode Ray Tube Controller Cathode Ray Tube Monitor Central Sequential Fuel Injection Courtesy Relay Control Courtesy Current Constant Variable Road Sensing System Used on 1997 and 1998 E and K body Cycle Delayed Accessory Bus Relay GM Body Systems Application 1988 2004 Page 255 C Glossary and Abbreviations Data Line Data List Data Signal Data Parameter DC DCD DCD ABS DCD ABS VI DEC DERM DET DETECTN DF DFI DFOG DFRST or DF Diagnostic Codes DIC DIL DIR Discrete Data Parameter Refers to circuit 800 the on board computer communications network Tester operating mode where DLC diagnostic information is displayed A signal sent to or from a computer on a common wire with many other messages A parameter which represents a quantity and is displayed as a value with appropriate units volts C etc Duty Cycle Delco Chassis Division Delco Chassis Division s ABS III system Delco Chassis Division s ABS VI system Decrease or decrement Diagnostic Energy Reserve Module SIR System control module Suppl
227. the trouble codes then displays a message informing you that the codes were cleared or that the attempt to clear the codes failed If the Code Clear Fail message is displayed press to return to the Select Mode menu then press F2 TROUBLE CODES and try to clear the codes again For 1993 and newer vehicles trouble codes are referred to as Diagnostic Trouble Codes DTC You can use the TROUBLE CODE DTC mode to display trouble codes which have been set by the vehicle You can also use the TROUBLE CODE DTC mode to clear the codes set by the System ECU after the codes have been displayed If a current code problem still exists the code are reset by the system On 1990 E Cars Code B552 BCM Keep Alive Memory Failure 1s NOTE sometimes set by the tester when clearing codes On 1991 93 C Body Oldsmobile the DIC may set a code 54 when the tester is testing the RAC EH Therefore you should check for trouble codes at the start and end of the testing If there are codes set at the end of testing but not at the start it 1s assumed that they are caused by the tester and should be ignored To read Diagnostic Trouble Codes do the following 1 Select TROUBLE CODES DTC mode by pressing If the vehicle fails to respond to the tester within 3 seconds the tester displays the following TROUBLE CODES TROUBLE CODES Indicates system WAITING FOR DATA NO DATA AVAILABLE being tested FROM BCM 2 Under these conditio
228. tically B Data List Parameters ALT T T OUTPUT BRAKE T T OUTPUT COOLNT TMP OUTPT OIL T T OUTPUT STATES OFF ON These output indicators display ON when a bulb check is performed or when a failure condition occurs ALTERNATOR FAULT HIGH LOW The DIC monitors the alternator field activation circuit The status is normally H GH during charging and LOW if the alternator pulls the line low signaling a no charge situation AMB LIGHT LIGHT DARK The displayed value refers to the amount of ambient light level calculated by the module using the light sensor The information is used by the module for operation of the following features The automatic headlamp feature The Daytime Running Lamps DRL feature AMB LIGHT SENS UNITS RANGE The Ambient Light Sensor is used by the CCM to control the instrument panel intensity for varying conditions A high count signals low light conditions while a low count signals high light level conditions AMBIENT LT SNSR VOLTS 0 5 0 The displayed voltage value refers to the amount of ambient light level as measured by the light sensor This information is used to operate the automatic headlamp feature and the Daytime Running Lamps DRL feature In LIGHT ambient conditions the sensor resistance is low In DARK ambient conditions the sensor resistance 1s high The BCM interprets the following conditions as LIGHT when the ambient light sensor resistance is low and the sensor return
229. tion 1988 2004 Page 73 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 13 GM 16 Adapter Configuration for MTS 3100 Application Cartridge MTS 3100 14 26 Pin DLC Cable GM 12 14 Pin DLC Adapter 16 12 Pin Non OBD II DLC Adapter NOTE Switch should be on E amp C Bus to communicate with the E amp C system GM Body Systems Application 1988 2004 Page 74 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 14 GM 16 Adapter Configuration for Tech 1A 14 26 Pin DLC Cable TECH 1A DC Power Application Cartridge GM 12 14 Pin DLC Adapter GM 16 12 Pin Non OBD Il NOTE DLC Adapter Switch should be on E amp C Bus to communicate with E amp C system GM Body Systems Application 1988 2004 Page 75 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 15 GM 16 Adapter Configuration for Tech 1 Tech 1 GM RWAL AWAL ALDL Cable NOTE Switch should be on E amp C eet Bus to communicate DLC Adapter with E amp C system GM Body Systems Application 1988 2004 Page 76 Adapter and Adapter Cable Configurations 4 Getting Started FIGURE 4 16 GM S Adapter Configuration for MTS 3100 Application Cartridge MTS 3100 14 26 Pin DLC Cable GM 12 14 Pin DLC Adapter GM 12 12 Pin SIR Dual UART Adapter GM Body Systems Application 1988 2004 Page 77 Adapter and Adapter Cable Configur
230. tion key is turned to the OFF position and before any door is opened The number of seconds displayed refers to the amount of time left before the BCM will turn OFF the RAP relay RCVR CODE STATUS PROGRAMMED NOT PROGRAMMED This parameter gives the status of the RAC module in regard to being programmed or not programmed for a remote transmitter GM Body Systems Application 1988 2004 Page 230 Parameters Listed Alphabetically B Data List Parameters REAR DEFOG RR DEFOG OUTPUT OFF ON The state of the LED switch in the rear defog switch REAR DEFOG CONTROL BCM ECCP The HVAC Programmer controls the Defogger relay based on signals from the BCM or ECCP REAR DEFOG RELAY OFF ON The tester displays the CCM s commanded state of the Rear Defog Relay REAR DEFOG REQ YES NO Rear Defog Request is a discrete input to the CCM to request electric defog The switch makes only momentary contact to ground Several depressions of the switch might be necessary to see its signal Use tester Snapshot mode to capture this switch s input REAR DEFOG STATE OFF ON The BCM and CRT send messages to each other noting whether the Rear Defog is on or off The tester monitors and displays this information REAR DEFOG TIMER SECONDS 0 to 1275 This parameter is a count down timer for the electric defog system The tester displays the amount of remaining defog time in seconds REAR DEFROSTER OFF ON The HVAC Programmer controls the De
231. tion stored in the memory of the SDM The SDM VIN information is then used to program the IPC This allows the IPC to recognize the SDM on initial power up Confirmation should be displayed on the tester screen If the IPC reprogramming was unsuccessful a message is displayed on the tester screen NOTE Reprogramming the IPC can only be done once per ignition cycle GM Body Systems Application 1988 2004 Page 142 System Test Modes 5 Selecting and Operating Test Modes SELECT MODE F4 MISC TESTS SELECT MODE F0 DATA LIST F2 DTC F3 SNAPSHOT SELECT MODE F1 REPROGRAM IPC REPROGRAMIPC 13 Return to YES OR NO Select Mode Menu Reprogramming IPC in Progress IPC NO VEHICLE PROGRAMMED INTERFACE MODULE SUCCESSFULLY COMMUNICATION ENTER PRESS EXIT FIGURE 5 19 Reprogramming the IPC ECU ENTERTAINMENT amp COMFORT BUS E amp C Vehicle Entertainment amp Comfort components communicate with each other using the E amp C data bus Testing of the following components on the E amp C data bus is supported by the Body Systems Application Radio Control Head Radio Receiver and Amplifier Graphic Equalizer Control Head Cassette Tape Deck Compact Disk Player Heating Ventilation and Air Conditioning systems Cellular Telephone Speaker Operation In some cases the E amp C communication bus must be wired to pin
232. ult in the DIC switch or circuit may cause the on board diagnostics to be inoperative DIL RELAY OFF ON This parameter displays whether the Delayed Interior Light DIL relay is enabled on DIL TIMER SECONDS 0 to 600 This parameter indicates the amount of time the DIL relay is enabled on GM Body Systems Application 1988 2004 Page 193 Parameters Listed Alphabetically B Data List Parameters DIM POT INPUT STATES The BCM uses the Dim Pot input in order to determine the position of the dome lamp switch thumb wheel when the park lamps are ON ACTIVE displays when the dome lamp switch is not in the FULL DOWN position and the park lamps are ON NACTIVE displays when you turn the dome lamp switch to the FULL DOWN position dash lights OFF and the park lamps are ON DIMMING ACTIVE INACTIVE The dimming output refers to the state of the headlamp switch dimmer The headlamp switch dimming feature is a term describing the customer s ability to control the illumination of the interior panel displays NACTIVE displays when the park lamps are OFF ACTIVE displays when the Park lamps are ON DIMMING POT VOLTS 0 0 18 0 The voltage value displayed indicates the position of the dome lamp switch thumb wheel The voltage value displayed should vary between 0 1 12 7 volts depending on the position of the dome lamp switch Zero 0 volts will be displayed when the following conditions exist T
233. und the inflatable resistance indicator circuit until cranking stops This in turn causes the DERM to perform the SIR diagnostic system check self test CRT BRIGHTNESS 0 to 100 The BCM sends the CRT a message to control the brightness of the CRT The tester displays a percentage of full intensity CRTC TO CRTM OK PROBLEM The tester displays OK if the Cathode Ray Tube Controller CRTC has proper communication with the Cathode Ray Tube Monitor CRTM CRUISE SET SPEED MPH 0 to 159 KPH 0 to 255 Cruise Set Speed is the speed that the cruise control system is trying to maintain The tester displays the Set Speed in MPH Pressing the key selects KPH GM Body Systems Application 1988 2004 Page 191 Parameters Listed Alphabetically B Data List Parameters CRUISE SWITCH STATES This is the cruise control ON or OFF select switch The tester displays ON or OFF as selected by the driver CTRL AT IDLE NO YES The BCM may request the ECM to control the air conditioning compressor at idle when the HVAC is in Vent or Idle mode when any of BCM codes B447 B448 B449 B450 or B112 are set when A C pressure is LOW when diagnostic mode is ACTIVE or when the battery voltage is LOW CURRENT SOURCE DISABLED ENABLED The Current Source parameter indicates whether the DERM is presently attempting to run the nitiator Assembly Resistance Test Since the portion of the DERM system test which requir
234. utomotive Engineers GM data link based on SAE J1850 variable pulse width class B medium speed communication network interface 10 4kbps VPW 0 7vDC Supercharged Serial Data Link Sensing and Diagnostic Module part of the SIR system the SDM contains a sensing device which converts vehicle velocity changes into an electrical signal The electrical signal is processed by the SDM and compared to a value stored in memory Climate Control Head Visual Information Center Security T T Secondary Section Selective Ride Control Sensor Service Engine Soon Light Sequential Fuel Injection SHRT SHT SIR Snapshot Test SOL SPD SPS SRV SSS STR SW SWPS SYS TAC TBI TCC TCM TCP TCS TDP TEMP TEVES THK TICS TIM TP TPI TPL TPS Short Supplemental Inflatable Restraint An active restraint system used to protect the automobile s occupant from being forced into the dash and windshield upon impact in the event of an accident Tester operating mode which is used to isolate intermittent problems Solenoid Speedometer Dimming Speed Signal Service Speed Sensitive Steering Used on 1997 and 1998 E and K body Steering Switch Steering Wheel Position Sensor System Throttle Actuator Control Throttle Body Injection Torque Converter Clutch Transmission Control Module TCC PWM Solenoid Traction Control System for limiting slippage during acceleration Twilight Delay Pot
235. when the key in ignition reminder feature and the driver door open feature command the chime to turn ON SEAT BELT displays when the driver seat belt not buckled reminder feature commands the chime to turn ON TURN SIGNAL displays when the turn signal ON reminder feature on for more than 0 75 mile commands the chime to turn ON CHIME 1 OFF ON The BCM requests Chime 1 when a chime is desired The tester displays ON when the chime is requested The speed of the chime depends on the vehicle being tested CHIME 2 OFF ON The BCM requests Chime 2 when a chime is desired The tester displays ON when the chime is requested The speed of the chime depends on the vehicle being tested CLIMATE CONTROL KEYS AUTO KEY COOLER KEY 1990 ECON KEY 1991 96 FRONT DEFROST KEY OFF KEY OUTSIDE TEMP KEY REAR DEFROST KEY WARMER KEY OFF ON NOT CYCLED CYCLED The Climate Control keys are inputs to the BCM from the CCP 1990 models Tester displays the state of each switch as ON when the switch is pressed and held or OFF when it is released 1991 96 models The switch state is NOT CYCLED until the switch is pressed Once the switch has been pressed the state remains at CYCLED because the BCM remembers that the key has been pressed this ignition cycle GM Body Systems Application 1988 2004 Page 189 Parameters Listed Alphabetically B Data List Parameters CLOCKSPRG CONFIG STATES The Clockspring Configuration par
236. with each control keypress c The Vacuum Florescent Dimming function increases or decreases brightness by 1096 with each or keypress The data list parameter VF DIMMING updates the percent brightness with each control keypress 4 Press to return to the BCM Tests menu When you are finished with the BCM Tests press 410 to return to the Select Mode menu Mode F5 VIN and Option Content The VIN and Option Content mode is available on certain CCM BCM and IPC systems It reads the VIN and if available the vehicle s options such as type of gasoline destination country of the vehicle features available and other qualities of the vehicle that do not change These parameters are stored in the EEPROM of the particular control system Definitions for VIN and Option Content parameters are found in Appendix B To use VIN and Option Content Mode do the following 1 Press G to select the VIN amp OPTION CONTENT mode from the Select Mode menu Parameters containing information specific to the vehicle being tested are displayed 2 Use the and keys to scroll through the parameters You can create your own data pairs as explained in Mode F0 DATA LIST 3 Press 3A to return to the Select Mode menu GM Body Systems Application 1988 2004 Page 114 System Test Modes 5 Selecting and Operating Test Modes INSTRUMENT PANEL CLUSTER IPC Instrument Panel Cluster IPC tests are available on 1988 91 Buick W car 1988 91 Oldsmobil
237. y output refers to the commanded state of the park lamp relay coil ON displays when the BCM commands the park lamp relay coil to turn ON This allows the relay to power up the park lamps OFF displays when the BCM does not command the park lamp relay coil to turn ON This denies current to the park lamps and causes the park lamps to be OFF PARK LAMP SWITCH OFF ON This is the Park Lamp request to the BCM from the Park Lamp Switch PARK LAMPS ON OFF The BCM monitors the voltage on the park lamp CKT 2409 in order to determine if the park lamps are ON The scan tool displays ON when the BCM or the headlamp switch turns the park lamps ON OFF displays when the neither the park lamp switch nor the BCM commands the park lamps to turn ON PARK NEUTRAL SW P N R DL The Park Neutral switch is a transmission input The display reads P N if the car is in Park or Neutral and R DL if it is in Reverse Drive or Low gear GM Body Systems Application 1988 2004 Page 223 Parameters Listed Alphabetically B Data List Parameters PARK SWITCH STATES The Park Switch parameter is an indication to the CCM that the transmission is in Park PARKING BRAKE OFF ON The parking brake switch input is used by the BCM to control the red brake warning lamp The tester displays ON when the parking brake is applied PARKING LIGHTS OFF ON This parameter displays the status of the Parklamp Headlamp input to the CCM PAS D
238. you find a pair with OIL PRESSURE Fix Oil Pressure by pressing af if OIL PRESSURE is the top parameter aij if it is the bottom Then scroll the other half of the display with either the or key until Vehicle Speed is displayed FIXES TOP PARAMETER OIL PRESSURE PSI VEHICLE SPEED 0 MPH OIL PRESSURE 60 PSI VEHICLE SPEED FIXES BOTTOM PARAMETER FIGURE A FIGURE B MODE F1 SDL MONITOR The purpose of the SDL MONITOR mode is to passively monitor data which is being transmitted on the serial data link between the vehicle s components during normal operation The operator can evaluate the data to see if it is correct or at least reasonable such as the data the IPC sends to the BCM or data the ECM sends to the BCM To use SDL Monitor mode do the following 1 After selecting the system to test select SDL MONITOR from the Select Mode menu by pressing al If you are testing a 1988 93 Oldsmobile E Car you are asked to select the type of display you wish to test 2 Select the data link to be monitored from the Select SDL Mode menu GM Body Systems Application 1988 2004 Page 94 Common Test Modes 5 Selecting and Operating Test Modes Which of the following you can choose depends on the model of the car you are testing F0 F1 F2 F2 F2 F3 F3 ECM to BCM BCM to ECM BCM to IPC BCM1 to IPC IPC to BCM BCM to IPC BCM 2 to IPC F3 F4 F4 F4 F5 F5 F5
239. ystems Application 1988 2004 Page 42 Vehicle Coverage 3 Vehicle Coverage 2001 Cadillac Chevrolet GMC Oldsmobile Pontiac Trucks Vans MPVs BODY VIN DATA ADAPTER MODEL YSTEM 5TH DIGIT SYS LINK CONFIG Pontiac A B SDM DB Class 2 OBD II C2 Aztek SIR Chevrolet C K Auto HVAC BCM Class 2 OBD II C2 GMC Cadillac SIR SDM G2 Chevrolet G SDM G2 Class 2 OBD II C2 GMC SIR Chevrolet M L SDM G2 Class 2 OBD II C2 GMC SIR BCM Chevrolet S T Auto HVAC BCM Class 2 OBD II C2 GMC Oldsmobile SIR SDM G2 Chevrolet U X SDM G6 Class 2 OBD II C2 Venture SIR Oldsmobile U X SDM G6 Class 2 OBD II C2 Silhouette SIR Pontiac U X SDM G6 Class 2 OBD II C2 Montana SIR GM Body Systems Application 1988 2004 Page 43 Vehicle Coverage 3 Vehicle Coverage 2002 VEHICLE COVERAGE 2002 Buick Passenger Cars MODEL grpicrr SYSTEM INK CONFIG Park Avenue C HVAC Class 2 OBD II C2 SIR SDM G4 Le Sabre H SIR SDM GT Class 2 OBD II C2 Century Regal Auto HVAC Class 2 OBD II C2 SIR SDM G2 G4 2002 Cadillac Passenger Cars 2002 Chevrolet Passenger Cars MODEL graprarr SYSTEM Pk CONFIG Eldorado E SIR SDM RCL2 Class 2 OBD II C2 DeVille K SIR SDM GF Class 2 OBD II C2 Seville K SIR SDM GF Class 2 OBD II C2 MODEL gry prair SYSTEM Pink CONFIG

GM Body Systems Application 1988-2004 - ZR

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