for C1553 VAG Diagnostic Tester - Diakom-Auto
Contents
1. 06 End output ends your session 08 oo 6 Typically a technician will enter 02 Q to display the fault memory write down the codes then enter 05 Q to erase memory Finish your session by entering 06 and Q 7 lf the function is not available for the control unit you are working on the C1553 will display Function not feasible at this moment Function 02 Query display error memory If you selected 02 all recognized errors fault codes will be displayed For example 7 errors recognized Press the Q key to get the details on the fault code Error number 12345 Q Press the Q key again to get message information Power supply KI 30 Voltage too low Q Note If SP is displayed the fault code is sporadic or intermittent PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 10 of 10 Diagnostic Information Software Incorporated Function 03 Adjust unit diagnosis output check This function allows the user to check output devices such as fuel injectors solenoids valves and motors for functionality A multimeter is needed to complete this test Function 04 Default setting basic settings This function allows the user to perform basic settings baseline settings on some systems after a part has been replaced or repaired select 04 The C1553 will display Default setting channel XXX Measured values will be displayed with the physical units system with2. The code number can be in the range from 0 to 32000 but you must enter a five digit code Press the Q key to confirm the code entry After the control unit is coded the C1553 will display the control unit and code For example 01234567 ENGINE Q Code 1312 WSC 00000 Function 08 Read value area Measure blocks or read live values area Selecting function 08 gives the technician access to data stream or live data from the ECM The lower line of the display will generally show four data stream parameters such as rpm throttle position oxygen sensor activity and fuel trim Because there are so many data stream parameters they are grouped Each group can be selected by the display group number and shown sequentially lf you select function 08 the C1553 will display Read value number XXX Enter the display group number and confirm by pressing Q key The measure values will display for example PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 12 of 12 Diagnostic Information Software Incorporated Read value area number 2 O min 0 00ms 0 00ms 27 76 g S Since there are so many display groups the technician can scroll up or down by using the up down arrows to access other group numbers If you wish you can access other measure value groups by pressing C then entering the group number you wish Function 09 Read Value Selecting function 09 will display only one measure value Read val
3. User Manual for C1553 VAG Diagnostic Presented by DIS Inc PO Box 1303 Nashua NH 03060 USA Tel 603 491 1469 www distools com Diagnostic Information Software Incorporated What is the C1553 The C1553 is a hand held diagnostic scantool with datastream capability It has the ability to code control units It works on Volkswagen and Audi products It connects to the vehicle s diagnostic link using either an OBD II cable or the dedicated VW Audi connector The C1559 is virtually the same as the VAG1551 1552 factory tools Why use the C1553 Vehicle technology is constantly changing Beginning in 1996 the U S federal government required cars to be equipped with On Board Diagnostics II OBD II is an advanced system that monitors any powertrain function that has the potential to cause the vehicle to exceed tailpipe emissions Tailpipe gases that exceed 1 5 time the federal limit will turn on the MIL malfunction indicator light notifying the driver that service or repair is necessary Fault code s will set in the control unit s The C1553 allows the technician fast access to the control units on the vehicle It is completely portable and runs off of vehicle power Caution For safety reasons only an assistant not the driver should use C1553 during road tests i Neat r 5 5 HHEAoReo BOBODOReEe EE n Figure 1 The C1553 in use PO Box1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e
4. Battery voltage higher than 16 0 volts 00533 Idle speed actuator 00535 First knock control 00537 Oxygen sensor control limit exceeded or not reached 00540 Knock sensor 2 G66 00543 Maximum engine speed exceeded 00545 2314 Engine transmission electrical connection 00549 Fuel consumption signal 00553 Mass air flow sensor G70 00561 Mixture adaptation limit exceeded or not reached 00585 EGR temp sensor G98 00586 EGR system regulation 00609 gnition output 1 00610 gnition output 2 00611 gnition output 3 00640 3434 Heated Oxygen sensor relay J278 Q l Q D 01025 MIL lamp activation faulty 01235 Secondary Air Injection solenoid valve N112 01242 Engine control module output stage 01247 EVAP canister purge regulator valve 1 N80 D 01249 Fuel injector cylinder 1 N30 01250 Fuel injector cylinder 2 N31 01251 Fuel injector cylinder 3 N32 01252 Fuel injector cylinder 4 N33 01253 Fuel injector cylinder 5 N83 01254 Fuel injector cylinder 6 N84 01257 Idle air control valve N71 01259 4433 Fuel pump relay J17 01264 4311 Secondary air injection pump relay J299 01265 4312 EGR valve N18 65535 1111 Engine control module faulty PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 20 of 20 Diagnostic Information Software Incorporated Flowchart of the C1553 Operating mode 1 Test procedure 2 Selftest 3 Enter operation number Address words cz
5. down In an active circuit the voltage is high when the engine is cold and drops during warm up reaching a steady value at operating temperature The CTS supplies important information to the PCM for calculation of the following e Knock control e Adaptation of idle speed e Lambda control of air fuel ratio e Control of the fuel tank ventilation Keep in mind that the PCM also keeps track of the running time of the engine If the engine has been operated for several minutes the CTS voltage should change if not the PCM determines through self check that a fault exists in the CTS circuit and sets a DTC Also the PCM can substitute a temperature if the current value is not plausible Using the C1553 a technician can quickly check the CTS circuit by reading the CTS datastream and comparing to the actual temperature of the coolant Next disconnect the sensor The value as reported by the C1553 should go to approximately 40 C 40 F Next with the CTS still disconnected bridge the two wires going to the PCM The C1553 should now read about 120 C A normal substitute value for the CTS is about 70 C Keep in mind when diagnosing any PCM related problem that the problem may not be the sensor that set the fault code A CTS fault code could be caused by faulty wiring to the sensor a discharged battery or loose power ground wires to the PCM PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools co
6. e mail sales DIST ools com page of 1 Diagnostic Information Software Incorporated Description of the diagnostic unit The display consists of 2 lines with a size of 40 characters It is illuminated All information and functions are displayed here The lower portion contains 16 membrane keys to operate the unit Number keys O through 9 up arrow down arrow _ plus minus Q key and C key Power and communications take place through the data cable The unit is supplied with two types of data cables OBD II 16 pin and VW Audi 2 terminal 2 connectors Note If the display fails to display check vehicle battery Voltage should be 10 Volts or higher If the unit is left plugged in the vehicle battery will deplete Figure 2 Layout of front panel What is self diagnostics In the past diagnostics were limited to the technician s ability to pinpoint test each circuit using a multimeter All cars today have built in self diagnostics thanks to the power of microprocessors Electrical circuits can only fail in one of three ways Shorts to power or ground opens and resistance usually high resistance The PCM powertrain control unit has the ability to run self checks on each electrical circuit If a circuit fails it will seta DTC diagnostic trouble code also known as a fault code With the advent of OBD II the PCM can also make plausibility checks For example ona TPS circuit that normally operates o
7. momentary vehicle speed PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 16 of 16 Diagnostic Information Software Incorporated 004 005 007 008 010 011 012 013 014 0 2 HS 14 to 16 AT 10 to 20 AT 10 to 20 001 10 25 to 25 25 to 25 25 to 25 25 to 25 25 to 25 25 to 25 25 to 25 25 to 25 0 to 6 Ao 0 to 99 0 and or greater than 95 Difference between display values 1 and 2 less than 8 At times greater than 0 6 V and or less than 0 V fluctuating display _ _ crankshaft 0 and or 1 first map or second map _ _ crankshaft First may and or second map _ _ crankshaft _ _ crankshaft _ _ crankshaft First map and or second map _ _ crankshaft _ _ crankshaft 1 idle air control valve at idle 2 idle speed learn value HS man trans 20 to 16 AT auto trans 16 to 20 lever in P or N only 3 idle speed learn value AT lever in D 1 2 3 or R 4 shift inputs at idle O off 1 on 1 oxygen sensor learning value at idle bank 1 2 oxygen sensor learning value at part throttle 1 bank 1 3 oxygen sensor learning value at part throttle 2 bank 1 4 oxygen sensor learning value at part throttle 3 bank 1 1 oxygen sensor learning value at idle bank 2 2 oxygen sensor learning value at part throttle 1 bank 2 3 oxygen sensor learning value at part throttle
8. ools com page 14 of 14 Diagnostic Information Software Incorporated Operation Mode 3 Enter work number Enter work number allows the technician to enter a work shop code WSC or id This is used when replacing a control unit or if adaptation values are changed The number is permanent and cannot be changed once entered Enter work number XXXXX Any existing work number will be displayed when you enter this mode Work number exists 01234 If you would like to enter a work number press 3 Enter work number XXXXX The work number must be 5 digits long Pressing the C key can clear a wrong entry Once the right number is entered confirm your choice by pressing Q Enter work number 12345 Q The following regulation must be used when entering the work number manufacturer of control unit i e BOSCH Siemens 00000 outside user not in the compan 000XX 2 digit 00XXX 3 digit Volkswagen corporation OXXXX 4 digit XXXXX 5 digit User Tips Location of Diagnostic Plug Finding the diagnostic plug in the vehicle can seem difficult Volkswagen Audi always put the 16 pin OBD II plug in the driver s environment usually behind a plastic trim piece or under the steering column If the plug is behind a plastic piece the plastic will be molded with a check engine icon See figure 12 Volkswagen generally puts the plug on the instrument cluster Audi sometimes puts the plug in the center console under the back seat ashtray cove
9. pressing the Q key the C1553 will sends all Known address words one after another ECU identification will display 4 The C1553 reads all recognized errors and displays them in sorted order 5 The C1553 accesses all address words thereby retrieving all fault memory in the vehicle 6 lf there are broken wires or defective devices the C1553 will not access that ECU Using the C1553 to query an engine control unit 1 Turn key on or start engine Enter 01 address word The unit displays Enter address word 01 Q Engine electronics 2 If you press the Q key the C1553 displays send engine control address 01 3 The C1553 displays CODE is control unit coding WSC is Work Shop Code This is a code used by the VW Audi workshop for coding replacement ECM s 010101010 222 Engine Q CODE 1234 WSC 43821 4 You can now choose functions by pressing the Q key The C1553 displays Select function XX PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 9 of 9 Diagnostic Information Software Incorporated 5 Using the up down arrow keys __ you get an index of all functions Functions ECM version Display Fault memor Output check Basic settings default settings Erase fault memor Code ECM coding of control unit Measure blocks read live value areas Individual blocks read values Adaptation Readiness code USA market Figure 11 Function Codes
10. te k Hunctio a eee Display Groups See note note 4 or 5 channels displayed in actual units 9 or 10 channels displayed in decimals 01 to 15 1 channel displayed 00 to 15 com f 21
11. the C1553 will automatically switch in to operation mode 1 Test procedure for the engine control unit By selecting 1 you can begin vehicle testing Enter address word XXX Press the C key to choose mode 2 or mode 3 These modes will be discussed later Operation Mode 1 Test procedure Figure 9 shows the display To access the system in the vehicle enter the two digit address word using the keypad See figure 10 or figure 11 po Automatic check procedures Wheel muffling electronics Airoag SRS ride level regulation PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 7 of 7 Diagnostic Information Software Incorporated seat mirror shift emergency module parking assistance Figure 9 Address words in numerical order Bair conditioning neating 00 automatic check procedures diesel injection pump electronics light distance regulation Navigation Figure 10 Address words in vehicle system order Note Use the up down arrow keys on the C1553 to get an index of all addresses PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 8 of 8 Diagnostic Information Software Incorporated C1553 Test exercise 1 Connect the C1553 to the vehicle The C1553 will display Enter address word XXX 2 Enter 00 and press Q key The C1553 will display Enter address word 00 Q Automatic check procedure 3 By
12. 2 bank 2 4 oxygen sensor learning value at part throttle 3 bank 2 1 oxygen sensor control bank 1 2 oxygen sensor learning range display 3 oxygen sensor learning requirement diagnosis 4 oxygen sensor learning requirement display 1 oxygen sensor control bank 2 2 oxygen sensor learning range display 3 oxygen sensor learning requirement diagnosis 4 oxygen sensor learning requirement display 1 oxygen sensor control bank1 2 oxygen sensor control bank2 3 duty cycle triggering for EVAP canister purge regulator valve N80 4 throttle angle at idle 0 at WOT gt 95 1 total of oxygen sensor control bank 1 and momentary oxygen sensor learning value bank 1 2 total of oxygen sensor control bank 2 and momentary oxygen sensor learning value bank 2 3 Voltage signal bank 1 heated oxygen sensor 1 4 Voltage signal bank 2 heated oxygen sensor 1 1 ignition timing point without knock control and without idle speed control 2 ignition timing point with knock control and digital idle speed control 3 ignition timing point access to digital idle speed control 4 closed throttle position switch function Open 0 closed 1 1 momentary engine speed 2 momentary engine load 3 ignition timing point map switching 4 ignition timing point retard by knock control average of all cyls 1 ignition timing point map switching 2 ignition timing point retarded by knock control cylinder 1 3 ignition timing point retarded by knock control cylinder 2 4
13. ank 2 richens 14 3 diagnosis limit value 00000000 4 diagnosis condition and or result Oto 12 1 reducing stages _ _ crankshaft 2 ignition timing point retarded by ATC only cold engines 68Nm to 250Nm 3 reduced engine torque 68Nm to 250Nm 4 unreduced engine torque X 1 upshift signal auto trans 01V comes from TCM XX 2 gear recognition and shifting signal auto trans 01V 3 A C compressor off on and rear window heating signal X 4 A C compressor shut off roduction use onl Production use only 1 malfunction indicator lamp from TCM 2 Fuel level signal from instrument cluster 3 4 Production use only 1 Readiness code status see notes 2 Trip status display 3 counter for warm up phase 4 counter for warm up phase 3 xX X U 3 gt lt mbar 1 currently measured evap system under pressure mbar 2 currently calculated evap minimum under pressure 0 to 99 3 duty cycle triggering evap canister purge regulator valve where 0 open 99 closed 4 diagnosis status and or result apne rom 1 lowest engine rom when misfired occurred ae rom 2 highest engine rom when misfired occurred PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 18 of 18 Diagnostic Information Software Incorporated re shigned engine load when misfired occurred Notes bank 1 is is defined as the side of the engine where cylinder 1 is located Sensor 1 is upstream of catalytic converte
14. default setting group 20 O min Fahrst EINA C LOW Compr off To display measured values live during engine operation you must exit function 04 and enter function 08 To do this press the C key and enter 08 The display will show Read value area XXX Function 05 Erase error memory erase fault memory As described earlier after you know what the fault codes are then you can erase the error memory and road test the car to see if they come back After you enter 05 and Q the C1553 will display Error memory erased lf a code sets because of a vehicle problem when you attempt to erase fault memory the C1553 will display Function not feasible in the moment PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 11 of 11 Diagnostic Information Software Incorporated Function 06 Finish output End output You can finish your session in this case with 01 engine control unit by entering functon 06 and Q The C1553 returns back to the top level operating mode Now you can enter a new address word You should always finish by entering 06 when done Function 07 Code control unit Code ECM Function 07 gives the technician the ability to flash a control unit with new program data Always consult the repair manual Coding is used to customize the control unit for a particular market or car version Select function 07 and Q the C1553 will display Code control unit 0 32000 XXXXxX
15. ents Flat connector terminals Barrel connector Black A 3 battery ground 1 2 1 K line data Figure 6 C1553 cable wiring assignments PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 5 of 5 Diagnostic Information Software Incorporated Using the C1553 on cars with OBD II 1996 and later The tool requires no internal power Power is supplied by the vehicle s battery The OBD II cable has a polarized plug that only connects one way OBD II equipped cars have a 16 pin diagnostic connector located under the steering column or behind a plastic trim piece in the instrument console VW Some Audi s are located in the center console Pin 4 in the diagnostic connector is ground pin 16 is power at all times Figure 7 OBD II connector OBD II C1553 barrel connector Vehicle connector terminal 3 ground 1 K line data 2 battery Figure 8 Terminal assignments Operation Modes the C1553 provides Note The modes and displays you get depend on the car engine equipment installed and the program version Connect the C1553 to the vehicle After a few seconds the display will show the following modes Mode 1 Test procedure Mode 2 Self test Mode 3 Enter work number PO Box1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 6 of 6 Diagnostic Information Software Incorporated After connecting to the vehicle
16. ignition timing point retarded by knock control cylinder 3 1 ignition timing point map switching 2 ignition timing point retarded by knock control cylinder 4 3 ignition timing point retarded by knock control cylinder 5 PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 17 of 17 Dia nostic Information Software Incorporated 015 019 020 021 022 023 024 025 026 027 028 029 030 1 momentary engine speed 2 knock sensor signal cylinder 1 3 knock sensor signal cylinder 2 4 knock sensor signal cylinder 3 1 momentary engine speed 2 knock sensor signal cylinder 4 3 knock sensor signal cylinder 5 4 knock sensor signal cylinder 6 1 timer 1 final value 1 2 timer 2 final value 48 or 160 30 to 60 3 momentary engine load 0 C to 255 C 4 exhaust gas recirculation temperature EGR sensor G98 1 internal duty cycle idle air control valve N71 _ _A 2 idle air control valve current 40 to 60 3 power control from idle air control valve N71 12 000 to 14 000 V 4 engine control module J192 voltage supply 1 5 to 3 5 at idle 1 momentary engine power internally computed 6 5 to 9 5 at 2500rpm 0 1 lean time of bank 1 HO2S 1 voltage signal 0 2 lean time of bank 2 HO2S 1 voltage signal 69 3 diagnosis limit value 00000000 4 diagnosis condition and or result 0 0 1 oxygen sensor control bank 1 richens 0 0 2 oxygen sensor control b
17. m page 3 of 3 Diagnostic Information Software Incorporated Using the C1553 on cars without OBD II 1995 and earlier The tool requires no internal power Power is supplied by the vehicle s battery The cable has a polarized plug that only connects one way Protection of the unit depends on connecting the cable correctly and in the correct sequence Note Connecting the VW Audi diagnostic cable VAG 1551 1 and VAG 1553 1 must be done in the exact sequence given below Connecting to OBD II cars 1996 and later will be described later il Connect the black plug power supply of the C1553 to the black flat contact connector in the vehicle 2 The following text must appear on the C1553 display to continue Enter address word XX Figure 3 Display D If the above message is not displayed do not connect the white connector Damage to the C1553 vehicle will result 4 As soon as the above message Is displayed connect the white plug 5 In cases where the message above is not displayed check the vehicle wiring for correct voltages at the vehicle s connectors See figure 4 mae ae ee White Plug Figure 4 VW Audi vehicle diagnostic connectors Black power ground and White data PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 4 of 4 Diagnostic Information Software Incorporated Barrel Connector Figure 5 C1553 connector views See table for wiring assignm
18. nly between 0 5 volts and 5 volts if the PCM detected 6 volts on the signal wire it knows there is a malfunction and will set a DTC out of range code PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 2 of 2 Diagnostic Information Software Incorporated Additionally there are built in protection functions which allow the engine to run undisturbed If there is a major fault with a circuit the vehicle can still operate in Limp Home emergency run or failure mode This allows the driver to reach a garage for service The basic triggering circuit is the only exception A failed crankshaft sensor or CKP causes the engine to stop and not restart Fault memory within the PCM stores DTC s which can be accessed with the C1553 The C1553 offers bi directional communications with the vehicle It can transmit and receive data How does self diagnosis work and when to use it All engine controls operate in a similar fashion The PCM has inputs known as sensors or switches and outputs known as control devices The PCM makes logical decisions based on input data Also connected to the PCM is power and ground In fact several power and ground wires are connected to the PCM Coolant temperature sensor or CTS G62 is an example of an input device operating between 0 volts and 5 volts The sensor is an NTC or negative temperature coefficient As temperature goes up resistance goes
19. play This depends on the engine application and equipment Two types of measure values can be show Adaptation channel 1 value 12345 O min 0 0 2 7 69 s Adaptation channel 2 value 23456 134 24 34 165 13 165 70 56 134 156 3 Save adaptation is used after you have found the correct value you want Press the Q key then press the Q key again The new value is transmitted to the ECM and saved Adaptation channel 02 Q Adaptation channel 02 value XXXXX Lastvalue 12345 4 Erase learn values can be done to reset all values to baseline This is sometimes useful during repair replacement or tuning To erase values enter channel number 00 then press Q Adaptation channel 00 Q Confirm channel number and then press Q again Erase learn values O Learn value erased Operation Mode 2 Self test The self test operation mode is used to test the C1553 and cable Self test should be used on a regular basis to make sure the C1553 is OK Plug in the unit to a vehicle then enter 2 for self test The purpose of the test is to verify that the cable is OK and can transmit data The K and L lines are tested See figure 6 above If the K line is grounded the C1553 will displa K wire does not switch to HIGH If the K line is shorted to power the C1553 will displa K wire does not switch to LOW The self test will terminate automatically PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST
20. r Most 1999 and later cars near hood release lever in the footwell Pre 1995 2 pin connectors located in engine compartment at fuse box near firewall PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 15 of 15 Diagnostic Information Software Incorporated Golf 3 Under plastic trim piece right of ashtra Golf 4 Under plastic trim piece above ashtray center console Polo Under plastic trim left footwell area below light switch Passat B4 Under plastic trim piece instrument cluster behind wiper switch Under plastic trim piece left of radio Under second ashtray insert piece Figure 12 Location of OBD II plug on 1996 Passat User Tips Useful measure values Audi A4 2 8 liter V6 OBD II MMS 410 1996 Specified Display Designation group value ooo Described below 001 85 110 C 1 engine coolant temperature 1 450 1 580 V 2 mass air flow MAF sensor output voltage 0 255 3 altitude display only on vehicles with secondary air system 12 00 14 00 V 4 engine control module ECM supply voltage 002 0 250 4 750 V 1 throttle position sensor voltage idle to wide open throttle 0 250 1 275 V 2 throitle position sensor voltage at idle lower range 0 250 0 500 V 3 learning value of TPS 0 or 1 4 mechanical TP switch O open 1 closed 003 650 750 rom 1 idle speed 15 0 35 0 2 engine load at idle 0 and or greater 3 throttle angle than 95 0 at idle 95 at WOT km h 4
21. r sensor 2 is downstream Knock control of timing depends on fuel octane worn loose engine components engine damage 029 readiness code is required under OBD II regulations When set 1 it shows that every component or system that affects exhaust emissions capable of turning on MIL has been operated with positive results If a DTC is set MIL on the readiness code is erased The following will erase the readiness code battery disconnected ECM disconnected To generate a readiness code you must take a mixed city highway trip 1 5 to 5 minutes at 80 to 100kph Display field 1 should set to all zeros 0 Display field 1 XXX XX X the address bits are decoded as follows starting from the right most digit 3 way catalytic converter not used evaporative emissions throughput secondary air system and throughput not used heated oxygen sensor problems oxygen sensor heating problems EGR PO Box1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 19 of 19 Diagnostic Information Software Incorporated Volkswagen 2 8 liter VR6 1995 Meaning Continue troubleshooting using wiring diagrams recogn ized 00281 Vehicle speed sensor G68 no signal 00513 Engine speed sensor G28 no signal 00515 Camshaft position sensor G40 00518 Throttle position sensor G69 00522 Engine coolant temp sensor G62 00524 Knock sensor 1 G61 00525 Heated oxygen sensor G39 00527 Intake air temp sensor G72 00532 2234
22. ue number XXX Your entry must be three characters then press Q At any time you can delete the current value and enter a new one Read value number 012 Q Function 10 Adaptation Function 10 should only be used by technicians who understand the results of changing baseline settings to engine controls For example the base idle speed can be changed using function 10 Changes in adaptive or baseline settings will affect vehicle emissions performance and service life The vehicle warranty may be voided by changing these settings Learned values can be deleted or erased You must follow 3 steps to change adaptation values 1 read adaptation 2 test adaptation 3 save adaptation 1 Read adaptation value by entering the two digit channel number then enter Q The ECM will transmit the currently used value for that channel Adaptation channel XX For example Adaptation channel 3 value 12345 2 Test adaptation value allows you to modify the adaptation value Use the key to increment the value Use the to decrement the value Please PO Box 1303 e Nashua NH 03061 1303 e USA Tel 603 491 1469 e e mail sales DIST ools com page 13 of 13 Diagnostic Information Software Incorporated confirm the running condition of the engine or system When you have the correct setting you want press C then press Q and the values will saved lf a measured value block is assigned to a channel it will be displayed in the lower line of the dis
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