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Equus 3160 Manual

1. Tool Display Unit Value PID Description Ratio EQ Ratio 21 X XXX Bank 2 Sensor 1 Equivalence Ratio EQ Ratio 22 X XXX Bank 2 Sensor 2 Equivalence Ratio EQ Ratio 23 X XXX Bank 2 Sensor 3 Equivalence Ratio EQ Ratio 24 X XXX Bank 2 Sensor 4 Equivalence Ratio EVAP Press Pa XXXX XX Evap System Vapor Pressure fin IXX XXX H20 FP Vac kPa XXXX XXX Fuel Rail Pressure relative PSI IXXX X toVacuum Fuel Level XXX X Fuel Level Input Fuel Press kPa XXX Fuel Rail Pressure PSI XX X Fuel Press kPa XXXXX Fuel Rail Pressure PSI IXXXX X Fuel Sys 1 OL Fuel System 1 Status Fuel Sys 1 CL Fuel System 1 Status Fuel Sys 1 OL Drive Fuel System 1 Status Fuel Sys 1 OL Fault Fuel System 1 Status Fuel Sys 1 CL Fault Fuel System 1 Status Fuel Sys 2 OL Fuel System 2 Status Fuel Sys 2 CL Fuel System 2 Status Fuel Sys 2 OL Drive Fuel System 2 Status Fuel Sys 2 OL Fault Fuel System 2 Status Fuel Sys 2 CL Fault Fuel System 2 Status IAT C XXX XXX Intake Air Temperature F LOAD Value XXX X Absolute Load Value LTFT B1 9 XXX X Long Term Fuel Trim Bank 1 LTFT B2 9 XXX X Long Term Fuel Trim Bank 2 LTFT B3 XXX X Long Term Fuel Trim Bank 3 LTFT B4 XXX X Long Term Fuel Trim Bank 4 MAF g s l XXX XX Air Flow Rate from Mass Air Flow b min Sensor MAP kPa XXX Intake Manifold Absolute Pressure P
2. Tool Display Unit Value PID Description ACC Pedal D 96 XXX X Accelerator Pedal Position D ACC Pedal E 96 XXX X Accelerator Pedal Position E ACC Pedal F 96 XXX X Accelerator Pedal Position F Air Status UPS DNS Commanded Secondary Air Status OFF Ambient C XXX Ambient Air Temperature F Aux Input On Off Auxiliary Input Status Status BARO kPa XXX Barometric Pressure inHg XX X Calc LOAD 96 XXX X Calculated LOAD Value CAT Temp 11 C XXXX X Catalyst Temperature Bank 1 F Sensor 1 CAT Temp 12 C XXXX X Catalyst Temperature Bank 1 E Sensor 2 CAT Temp 21 C XXXX X Catalyst Temperature Bank 2 F Sensor 1 CAT Temp 22 C XXXX X Catalyst Temperature Bank 2 F Sensor 2 Command 96 XXX X Commanded EGR EGR Command XXX X Commanded Evaporative Purge EVAP Command 96 XXX X Commanded Throttle Actuator TAC Dist DTC Clr km XXXXX Distance since DTC Cleared mile Dist MIL ON km XXXXX Distance Traveled while MIL ON mile S ECT C XXX XXX Engine Coolant Temp F ECU Volts V XX XXX Control Module Voltage EGR Error 96 XXX X EGR Error Eng RPM min XXXXX Engine RPM EQ Ratio X XXX Commanded Equivalence Ratio EQ Ratio 11 X XXX Bank 1 Sensor 1 Equivalence Ratio EQ Ratio 12 X XXX Bank 1 Sensor 2 Equivalence Ratio EQ Ratio 13 X XXX Bank 1 Sensor 3 Equivalence Ratio EQ Ratio 14 X XXX Bank 1 Sensor 4 Equivalence OBD2 61 Generic Global OBD2 PID List
3. m f the erase was successful a confirmation message shows on the LCD display Press the ENTER LD button to return to the ABS Menu m lf the erase was not successful an advisory message shows on the LCD display Verify that the Scan Tool is properly connected to the vehicle s DLC and that the ignition is on then repeat steps 2 and 3 above OBD2 31 Using the Scan Tool VIEWING ENHANCED DTCs Erasing ABS DTCs does not fix the problem s that caused the code s be set If proper repairs to correct the problem s that caused the code s to be set are not made the code s will appear again as soon as the vehicle is driven long enough for the problem to recur VIEWING ENHANCED DTCs Refer to the appropriate paragraph to view enhanced data for your vehicle m Chrysler Jeep page 32 m Ford Mazda page 33 m GM lsuzu page 35 m page 37 m Toyota Lexus page 38 Chrysler Jeep Enhanced DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu and Chrysler Jeep is selected if prompted the Chrysler Enhanced menu displays You may view either Engine DTCs or Transmission DTCs 1 Use the UP and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button Transmission DTCs are not sup ported on most Chrysler Jeep ve hicles manufactured prior to 2002 m O
4. DIGITAL CLASS Can If Scan Tool OWNER S MANUAL The Easiest And Best Way To Troubleshoot 1996 and Newer OBD2 Vehicles Table of Contents INTRODUCTION WHAT IS OBD ie 1 YOU CAN DO VT nune eme rm p a teres 2 SAFETY PRECAUTIONS SAFETY FIRST sapina cepe Ayer rien 3 ABOUT THE SCAN TOOL VEHICLES COVERED ieri iei rere 5 BATTERY REPLACEMENT 6 ADJUSTMENTS AND SETTINGS 7 SCAN TOOL CONTROLS CONTROLS AND INDICATORS 11 DISPLAY FUNCTIONS 12 ONBOARD DIAGNOSTICS DIAGNOSTIC TROUBLE CODES DTCs 15 PREPARATION FOR TESTING PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET 17 BEFORE YOU BEGIN 20 VEHICLE SERVICE MANUALS eee 21 USING THE SCAN TOOL CODE RETRIEVAL PROCEDURE 22 THE ENHANCED MAIN MENU eee 28 VIEWING ABS DIGS noe 29 VIEWING ENHANCED DTOSs eee 32 ERASING DIAGNOSTIC TROUBLE CODES DTOs 40 IM READINESS TESTING sees 41 LIVE DATA MODE VIEWING LIVE DATA seen 47 CUSTOMIZING LIVE DATA PIDs 48 RECORDING CAPTURING LIVE DATA 49 LIVE DATA PLAYBACK _ 53 O2 SENSOR TEST aoi c
5. EMISSION STATUS OBD2 3 Using the Scan Tool I M READINESS TESTING Some areas require that all Monitors indicate a Has Run status before they allow an Emissions Test Smog Check to be performed Other areas only require that some but not all Monitors have run their self diagnostic testing before an Emissions Test Smog Check may be performed From the code retrieval procedure determine the status of each Monitor a solid Monitor icon shows Monitor Has Run status a flashing Monitor icon indicates Has Not Run status Take this information to an emissions professional to determine based on your test results if your vehicle is ready for an Emissions Test Smog Check RED LED Indicates there is a problem with one or more of the vehicle s systems zedna pma n B A vehicle displaying a red LED is definitely korr cane not ready for an Emissions Test Smog Check The red LED is also an indication that there are Diagnostic Trouble Code s present displayed on the Scan Tool s screen The Multifunction Indicator Check Engine Lamp on the vehicle s instrument panel will light steady The problem that is causing the red LED to light must be repaired before an Emissions Test Smog Check can be performed It is also suggested that the vehicle be inspected repaired before driving the vehicle further If the Red LED was obtained there is a definite problem present in the system s In these cases you
6. Using the Scan Tool VIEWING ENHANCED DTCs m Current DTCs Historical DTCs or Readiness DTCs 1 Use the UP 2 and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button m A One moment please message displays while the Scan Tool retrieves the selected DTCs m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s Display Verify the ignition is ON then press the ENTER LD button to continue 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description w of LCD display elements m A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible ap icon indicates that the Scan Tool is linked to communicating with the vehicle s computer m The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display viewing enhanced DTCs In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and buttons as necessary to view the additional information Pd Se MONITOR STATUS
7. amp H button to view the DTC definition m f you entered a Generic DTC DTCs that start with PO P2 and some P3 The selected DTC and DTC definition if available show on the Scan Tool s display a If a definition for the DTC you entered is not available the To Link screen displays m f you entered a Manufacturer Specific DTC DTCs that start with P1 and some P3 The Select Manufacturer screen displays Use the UP and DOWN 2 buttons as necessary to high light the appropriate manufacturer then press the ENTER LD S button to display the correct DTC for your vehicle 8 OBD2 About the Scan Tool ADJUSTMENTS AND SETTINGS If a definition for the DTC you ee entered is not available an advisory message shows on the CanOBD2 Scan Tool s display 4 If you wish to view definitions for additional DTCs press the ENTER LD button to return to the Enter DTC Screen and repeat steps 2 and 3 5 When all desired DTCs have been viewed press the ERASE button to exit the DTC Library Using the Backlight 1 Use the UP and DOWN buttons as necessary to highlight Display Backlight in the MENU then press the ENTER LD button m The Display Backlight screen dis plays 2 Press the UP e or DOWN button as necessary to select the desired backlight mode either ON or OFF 3 When the desired backlight mode is selected press the
8. as necessary to view the entire list 5 When you have finished viewing the retrieved vehicle ID information press the ENTER LD button to return to Live Data mode Viewing Available Modules The Scan Tool can retrieve a list of modules supported by the vehicle under test 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Vehicle Information then press the ENTER LD button m The Vehicle Information Menu dis plays If the Vehicle Information func CSS tion is not supported by the vehicle under test an advisory message shows on the Scan display Press the ENTER LD t button to return to the Live Data mode 2 Use the UP and DOWN buttons as necessary to highlight Available Modules then press the ENTER LD button 3 A One moment please message displays while the requested information is retrieved from the vehicle s computer 4 When the retrieval process is completed a complete list of modules supported by the vehicle under test is shown on the Scan Tool s display Use the UP and DOWN buttons as necessary to view the entire list 5 When you have finished viewing the list of available modules press the ENTER LD button to return to Live Data mode 60 OBD2 Generic Global OBD2 PID List The following is a list of Generic Global PIDs and their descriptions
9. vehicles only The screen shown when the Scan Tool enters the enhanced mode depends on the type s of DTC s returned during the code retrieval process m f no DTCs were retrieved or only generic DTCs were retrieved the Enhanced Main Menu displays Use the UP and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button to view the selected information or press the DTC SCROLL button to return to the OBD2 DTC screen When View ABS DTCs or View Enhanced DTCs is selected the Select Manufacturer screen displays Use the UP and DOWN buttons as necessary to highlight the appropriate manufacturer then press the ENTER LD button to view the selected information 28 OBD2 Using the Code Reader VIEWING ABS DTCs vehicle from which codes were retrieved is not listed press the DTC SCROLL button to return to the OBD2 DTC screen Enhanced data is not available for your vehicle 52 If the manufacturer of the m f a Manufacturer specific DTC was retrieved and the manufacturer selected for the code was Chrysler Jeep Ford Mazda General Motors Isuzu Honda Acura Toyota or Lexus the Select Data menu displays Use the UP and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button to view the selected information or press the DTC SCROLL E33 button to return to the OBD2 DTC screen m f a Manuf
10. ENTER LD button to save your changes m The display returns to the MENU and the backlight turns on or off as selected Selecting the Display Language 1 Use the UP and DOWN buttons as necessary to highlight Select Language in the MENU then press the ENTER LD button m The Select Language screen dis plays m The currently selected display Language is highlighted 2 Press the UP e or DOWN button as necessary to highlight the desired display language 3 When the desired display language is highlighted press the ENTER LD button to save your changes and return to the MENU shown in the selected display language OBD2 9 About the Scan Tool ADJUSTMENTS AND SETTINGS Setting the Unit of Measurement 1 Use the UP and DOWN buttons as necessary to highlight Unit of Measurement in the MENU then press the ENTER LD button 2 Press the UP O or DOWN button as necessary to highlight the desired Unit of Measurement 3 When the desired Unit of Measurement value is selected press the ENTER LD button to save your changes Exiting the MENU Mode 1 Use the UP and DOWN buttons as necessary to highlight Menu Exit in the MENU then press the ENTER LD button m The display returns to the DTC screen if data is currently stored in the Scan Tool or to the To Link message if no data is currently stored in the Scan Tool 10 OBD2 Scan
11. ENTER LD button to continue m If the vehicle does not support ABS communication an advisory message shows on the Scan Tools display Press the ENTER LD button to return to exit 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description of LCD display elements m A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible icon indicates that the Scan Tool is linked to communicating with the vehicle s computer m The upper right hand corner of the display shows the number of the MM MONITOR STATUS code currently being displayed the Ik total number of codes retrieved m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display e MONITOR STATUS icons are not displayed when viewing ABS DTCs In the case of long code definitions a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the UP e and DOWN buttons as necessary to view the additional information m The Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No ABS DTC s are presently stored in the vehicle s computer is displayed Press the ENTER LD H button to return to the ABS Menu 30 OBD2 Using the Code Reader VI
12. End records approximately 20 frames of Live Data before the ENTER LD button was pressed 6 Use the UP and DOWN buttons as necessary to select the desired trigger point then press the ENTER LD button m A One moment please message shows on the display When the Scan Tool is ready to record Live Data the Record Live Data screen displays 7 Putthe engine in the operating condition where the problem manifests itself 52 OBD2 Live Data Mode LIVE DATA PLAYBACK m f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs 8 When the problem occurs press and release the ENTER LD button m All three LEDs will blink for three seconds to indicate that Live Data is being recorded and a One moment please message shows on the display m When recording is complete a confirmation screen displays asking if you would like to view the recorded data Use the UP e and DOWN buttons as necessary to select Yes or No as desired then press the ENTER LD button If Yes is selected the Scan Tool enters Playback mode from which you can view a frame by frame playback of recorded Live Data see LIVE DATA PLAYBACK on page 53 for details If No is selected the display returns to the Live Data View mode 9 You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD button until the Mode Selection Menu displays I
13. Freeze Frame data The code designated 01 on the Scan Tool display is referred to as the PRIORITY code and Freeze Frame data always refers to this code The priority code is also the one that has commanded the MIL on Retrieved information can be uploaded to a Personal a Computer PC with the use of an optional PC Link Kit see instructions included with PC Link program for more information 11 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool enters the enhanced mode m See VIEWING ENHANCED DTCs on page 32 to view enhanced DTCs for your vehicle m f you do not wish to view enhanced DTCs press the DTC SCROLL F3 button to return to the OBD2 DTC screen If a Manufacturer specific DTC was retrieved during the code retrieval process and the manufacturer selected for the code was not Chrysler Jeep Ford Mazda General Motors or Isuzu pressing the DTC SCROLL button after display of the last retrieved DTC returns the screen to the first retrieved DTC the Enhanced DTC menu is not displayed 12 Determine engine system s condition by viewing the Scan Tool s display for any retrieved Diagnostic Trouble Codes code definitions Freeze Frame data and Live Data interpreting the green yellow and red LEDs OBD2 27 Using the Code Reader THE ENHANCED MAIN MENU m f DTC s were retrieved and you are going to perform the repairs yourself proceed by consultin
14. Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN buttons as necessary to highlight Custom Live Data then press the ENTER LD button 48 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA m The Custom Live Data menu displays with the first PID in the menu highlighted 4 Use the UP e and DOWN buttons to scroll through the available PIDs When the PID you wish to display is highlighted press the ENTER LD button to select it a checkmark will show in the checkbox to the right of the PID to confirm your selection Repeat the procedure until only the PIDs you want to display have all been selected m To deselect a currently selected PID highlight the PID then press the ENTER LD button The checkmark will be removed from the checkbox 5 When you are finished making your selection s scroll to the end of the PID list and highlight the word DONE then press the ENTER LD E button m The Scan Tool is now in Custom Live Data mode Only the PIDs you selected are shown on the Scan Tools display m To toggle between the Custom Live Data display and the full Live Data display momentarily press the ENTER LD F button 6 To exit the Custom Live Data mode press and hold the ENTER LD 629 button until the Mode Selection Menu displays RECORDING CAPTURING LIVE DATA You can record and save several frames of Live Data informati
15. Playback mode m The display shows the recorded Live Data beginning with the trigger frame When you select Yes from the Record Live Data confirmation 72 screen the Scan Tool enters the Live Data Playback mode and the display shows the recorded Live Data beginning with the trigger frame m vehicle usually supports several PIDs however only a limited amount of PID data can be displayed on the screen at one time If additional PID data is available a small arrow will be shown on the display Use the UP and DOWN buttons as necessary to scroll up or down to view all available PID data m When viewing recorded Live Data look for any irregularities in any of the PID values signal information LTFT 96 RPM MAP TEMP etc If any PIDs are not within specification or irregularities are detected follow the procedures in the vehicle s service repair manual to perform additional troubleshooting and repair When recorded Live Data is played back all available PIDs are shown even if you have customized the Live Data selections If there is no Live Data currently stored in the Scan Tool s memory an advisory message shows on the display Press the DTC SCROLL V93 button to exit the Live Data Playback mode 3 When you have viewed all PID information for the current frame of Live Data use the DOWN button to scroll to the end of the PID list Highlight Next Frame or Previous Frame as desired then press th
16. Tool Controls CONTROLS AND INDICATORS CONTROLS AND INDICATORS Figure 1 Controls and Indicators See Figure 1 for the locations of items 1 through 11 below 1 ERASE button Erases Diagnostic Trouble Codes DTCs and Freeze Frame data from your vehicle s computer and resets Monitor status 2 E DTC SCROLL button Displays the DTC View screen and or scrolls the display to view DTCs when more than one DTC is present 3 POWERILINK button When the Scan Tool IS NOT connected to a vehicle turns the Scan Tool and Off When the Scan Tool is connected to a vehicle links the Scan Tool to the vehicle s PCM to retrieve diagnostic data from the computer s memory To turn the Scan Tool On you must press and hold the POWER LINK button for approximately 3 seconds 4 ENTER LIVE DATA button When MENU mode confirms the selected option or value When linked to a vehicle places the Scan Tool in Live Data mode OBD2 11 Scan Tool Controls DISPLAY FUNCTIONS 5 DOWN button When in MENU mode scrolls DOWN through the menu and submenu selection options When LINKED to a vehicle scrolls DOWN through the current display screen to display any additional data 6 UP button When in MENU mode scrolls UP through the menu and submenu selection options When LINKED to a vehicle scrolls UP through the current display screen to display any additional data 7 GREEN LED Ind
17. When choosing to view KOER Test DTCs start the vehicle s engine before making your selection m A One moment please message displays while the Scan Tool retrieves the selected DTCs m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s Display Verify the ignition is ON then press the ENTER LD button to continue m f the KOER Test was selected and the vehicle s engine is not running an advisory message shows on the Scan Tool s display Start the vehicle s engine then press the ENTER LD button to continue 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description of LCD display elements m A visible e icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible icon indicates that the Scan Tool is linked to communicating with the vehicle s computer m The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display MONITOR STATUS icons are not displayed when ye viewing enhanced DTCs 34 OBD2 Using the Scan Tool VIEWING ENHANCED DTCs In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower righ
18. and systems that are not continuously monitored m System Test Performs a leak test for the vehicle s EVAP system m Vehicle Information Retrieves the vehicles VIN number calibration ID s and other related information and lets you view a listing of available modules for the vehicle O2 SENSOR TEST OBD2 regulations require that applicable vehicles monitor and test operation of the oxygen O2 sensors to identify problems that can affect fuel efficiency and vehicle emissions These tests are performed automatically when engine operating conditions are within predefined limits Results of these tests are stored in the on board computer s memory The O2 Sensor Test function lets you retrieve and view O2 sensor monitor test results for the most recently completed tests from your vehicle s on board computer Vehicles are equipped with multiple O2 sensors O2 sensors are installed both upstream of before and downstream of after the exhaust system Catalytic Converters The name of an O2 sensor identifies its location in the exhaust system The name of each O2 sensor is made up of three parts O2S XX YY or O28 X Y m 025 this is the basic designation for all O2 sensors OBD2 55 Additional Tests O2 SENSOR TEST m X or XX These characters identify the location of the O2 sensor in relation to a cylinder bank An O2 sensor for cylinder bank 1 is identified by the designation 1 or B1 a sensor for cylinder bank 2
19. as described in the following paragraphs Adjusting Display Brightness 1 Use the UP and DOWN buttons as necessary to highlight Adjust Brightness in the MENU then press the ENTER LD H button m The Adjust Brightness screen displays m The Brightness field shows the current brightness setting from 0 to 43 2 Press the UP button to decrease the brightness of the display make the display darker OBD2 7 About the Scan Tool ADJUSTMENTS AND SETTINGS 3 Press the DOWN button to increase the brightness of the display make the display lighter 4 When the desired brightness is obtained press the ENTER LD button to save your changes and return to the MENU Searching for a DTC Definition Using the DTC Library 1 Use the and DOWN buttons as necessary to highlight DTC Library in the MENU then press the ENTER LD button m The Enter DTC screen displays The screen shows the code P0001 with the P flashing 2 Use the UP and DOWN buttons as necessary to scroll to the desired DTC type P Powertrain U Network B Body C Chassis then press the DTC SCROLL E33 button m The selected character displays solid and the next character begins flashing 3 Select the remaining characters in the DTC in the same way pressing the DTC SCROLL 993 button to confirm each character When you have selected all the DTC characters press the ENTER LD
20. computer memory m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s display Verify the connection at the DLC and verify the ignition is ON Turn the ignition OFF wait 5 seconds then turn back ON to reset the computer Ensure your vehicle is OBD2 compliant See VEHICLES COVERED on page 5 for vehicle compliance verification information OBD2 23 Using the Scan Tool CODE RETRIEVAL PROCEDURE m The Scan Tool will display a code only if codes are present in the i onion status vellicieis computer IG If no Sous m codes are present a No DTC s or Freeze Frame data presently stored in the vehicle s computer message is displayed f the ENTER LD H button is pressed from the no DTCs screen the message No Powertrain DTCs Freeze Frame Data is presently stored in the Scan Tool s memory Press the DTC button to view your Enhanced ABS DTC s displays Press the DTC SCROLL B button to enter the enhanced mode see THE ENHANCED MAIN MENU on page 28 m The Scan Tool is capable of retrieving and storing up to 32 codes in memory for immediate or later viewing 8 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description Ee of display elements m visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible icon indicates that the Scan To
21. icons are not displayed when m The Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No Enhanced DTC s are presently stored in the vehicle s computer is displayed Press the ENTER LD button to return to the Toyota Lexus Enhanced menu OBD2 39 Using the Scan Tool ERASING DIAGNOSTIC TROUBLE CODES DTCs 3 If more than one code was retrieved press the DTC SCROLL P button as necessary to display additional codes one at a time Whenever the Scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the Toyota Lexus Enhanced menu m To view additional enhanced DTCs repeat steps 1 through 4 above m To exit the enhanced mode use the UP and DOWN buttons as necessary to select Exit from the Toyota Lexus Enhanced menu then press the ENTER LD 4 button The Scan Tool returns to the OBD2 DTC screen ERASING DIAGNOSTIC TROUBLE CODES DTCs When the Scan Tool s ERASE function is used to erase DTCs from the vehicle s on board computer Freeze Frame data and manufacturer specific enhanced data are also erased If you plan to take the vehicle to a Service Center for repair DO NOT erase the co
22. is selected press the ENTER LD button to confirm your selection m The display shows the To Link message in the selected display language Press the POWER LINK button to turn the Scan Tool off m After the initial language selection is performed it as well as other settings can be changed as desired See ADJUSTMENTS AND SETTINGS on page 7 for further instructions OBD2 About the Scan Tool ADJUSTMENTS AND SETTINGS ADJUSTMENTS AND SETTINGS The OBD2 Scan Tool lets you make several adjustments and settings to configure the Scan Tool for your particular needs The following adjustments and settings are available m Adjust Brightness Adjusts the brightness of the display screen m DTC Library Library of OBD2 DTC definitions m Display Backlight Turns the display backlight on and off L Select Language Sets the display language for the Scan Tool to English French or Spanish m Unit of Measurement Sets the Unit of Measurement for the Scan Tool s display to USA or metric Adjustments and settings can be made only when the Scan Tool is NOT connected to a vehicle To enter the MENU Mode 1 With the Scan Tool off press and hold the UP button then press and release the POWER LINK button m The adjustments and setting MENU displays 2 Release the UP button DO NOT release the UP 2 button until the adjustments and settings MENU is visible on the display 3 Make adjustments and settings
23. m Check all electrical wiring and harnesses for proper connection Make sure wire insulation is in good condition and there are no bare wires m Make sure the engine is mechanically sound If needed perform a compression check engine vacuum check timing check if applicable etc 20 OBD2 Preparation for Testing VEHICLE SERVICE MANUALS VEHICLE SERVICE MANUALS Always refer to the manufacturers service manual for your vehicle before performing any test or repair procedures Contact your local car dealership auto parts store or bookstore for availability of these manuals The following companies publish valuable repair manuals m Haynes Publications 861 Lawrence Drive Newbury Park California 91320 Phone 800 442 9637 m Mitchell International 14145 Danielson Street Poway California 92064 Phone 888 724 6742 m Motor Publications 5600 Crooks Road Suite 200 Troy Michigan 48098 Phone 800 426 6867 GE FACTORY SOURCES Ford GM Chrysler Honda Isuzu Hyundai and Subaru Service Manuals m Helm Inc 14310 Hamilton Avenue Highland Park Michigan 48203 Phone 800 782 4356 OBD2 21 Using the Scan Tool CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instruct
24. necessary to view the additional information m Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No Enhanced DTC s are presently stored in the vehicle s computer is displayed Press the ENTER LD button to return to the Honda Acura Enhanced menu 3 If more than one code was retrieved press the DTC SCROLL P button as necessary to display additional codes one at a time m Whenever the Scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the Honda Acura Enhanced menu m To view additional enhanced DTCs repeat steps 1 through 4 above m To exit the enhanced mode use the UP e and DOWN buttons as necessary to select Exit from the Honda Acura Enhanced menu then press the ENTER LD button The Scan Tool returns to the OBD2 DTC screen Toyota Lexus Enhanced DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu and Toyota Lexus is selected if prompted the Toyota Lexus Enhanced menu displays Depending on the protocol used to commu nicate with your vehicle the Toyota Lexus Enhanced menu provides options to view m Current DTCs History DTCs or Pending DTCs 38 OBD2
25. BD Support JOBD OBD Requirements OBD Support JOBD and OBD Requirements OBD2 OBD Support JOBD and OBD Requirements EOBD OBD Support JOBD OBD Requirements EOBD and OBD2 PTO Status On Off Power Take Off Status Rel TPS 96 XXX X Relative Throttle Position Spark Adv deg XX Ignition Timing Advance 1 Cylinder STFT B1 96 XXX X Short Term Fuel Trim Bank 1 STFT B1 S1 96 XXX X Bank 1 Sensor 1 STFT B1 S2 96 XXX X Bank 1 Sensor 2 STFT B1 S3 96 XXX X Bank 1 Sensor 3 STFT B1 S4 96 XXX X Bank 1 Sensor 4 STFT B2 96 XXX X Short Term Fuel Trim Bank 2 STFT B2 S1 96 XXX X Bank 2 Sensor 1 STFT B2 S2 96 XXX X Bank 2 Sensor 2 STFT B2 S3 96 XXX X Bank 2 Sensor 3 STFT B2 S4 96 XXX X Bank 2 Sensor 4 STFT B3 96 XXX X Short Term Fuel Trim Bank 3 STFT B4 96 XXX X Short Term Fuel Trim Bank 4 Time DTC Clr hrs XXXX XX Time since DTC Cleared min Time Since sec XXXX Time Since Engine Start Start TPS 96 XXX X Absolute Throttle Position TPSB 96 XXX X Absolute Throttle Position B TPSC 96 XXX X Absolute Throttle Position C 64 OBD2 Generic Global OBD2 PID List Tool Display Unit Value PID Description Veh Speed km h XXX XXX Vehicle Speed Sensor mph Warm up DTC XXX Warm ups since DTC Cleared Clr OBD2 65 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS GLOSSARY OF TERMS AND ABBREVIATIONS CARB California Air Resources Board CCM Central Control Module Computer Contr
26. CODES DTCs DIAGNOSTIC TROUBLE CODES DTCs Diagnostic Trouble Codes DTCs are meant to guide you to the proper Diagnostic Trouble service procedure in the vehicle s Codes DTCs are service manual DO NOT replace parts codes that identify a based only on DTCs without first specific problem area consulting the vehicle s service manual for proper testing procedures for that particular system circuit or component DTCs are alphanumeric codes that are used to identify a problem that is present in any of the systems that are monitored by the on board computer PCM Each trouble code has an assigned message that identifies the circuit component or system area where the problem was found OBD2 diagnostic trouble codes are made up of five characters m The ist character is a letter It identifies the main system where the fault occurred Body Chassis Powertrain or Network m The 2nd character is a numeric digit It identifies the type of code Generic or Manufacturer Specific Generic DTCs are codes that are used by all vehicle manufacturers The standards for generic DTCs as well as their definitions are set by the Society of Automotive Engineers SAE Manufacturer Specific DTCs are codes that are controlled by the vehicle manufacturers The Federal Government does not require vehicle manufacturers to go beyond the standardized generic DTCs in order to comply with the new OBD2 emissions standards However man
27. EWING ABS DTCs 3 If more than one code was retrieved press the DTC SCROLL E83 button as necessary to display additional codes one at a time m Whenever the scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the ABS Menu m To exit the enhanced mode use the UP and DOWN buttons as necessary to select Exit from the ABS Menu then press the ENTER LD El button The Code Reader returns to the OBD2 DTC screen Erasing ABS DTCs If you plan to take the vehicle to a Service Center for repair DO NOT erase the ABS DTOs from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will be erased 1 Use the UP and DOWN buttons as necessary to highlight Erase ABS DTCs then press the ENTER LD button 2 A confirmation message shows on the LCD display m f you are sure you want to proceed press the ERASE button to erase the ABS DTOs from the vehicle s computer m f you do not want to continue with the erase process press the POWERL LINK 4B button to exit the erase mode and return to the ABS Menu 3 If you chose to erase ABS DTCs a progress screen displays while ion is in progress
28. Follow the instructions below to perform the Quick Check Perform the CODE RETRIEVAL PROCEDURE as described on page 22 then interpret the LED indications as follows Interpreting I M Readiness Test Results 1 44 GREEN LED Indicates that all engine systems are OK and operating normally all Monitors supported by the vehicle have run and performed their self diagnostic testing The vehicle is ready for an Emissions Test Smog Check and there is a good possibility that it can be certified YELLOW LED Determine from PROCEDURE page 22 which of the causing the yellow LED to light m If a PENDING Diagnostic Trouble Code is causing the yellow LED to light it is possible that the vehicle will be allowed to be tested for emissions and certified Currently most areas states countries will allow an Emissions Test Smog Check to be performed if the only code in the vehicle s computer is a PENDING Diagnostic Trouble Code m If the illumination of the Yellow LED is being caused by monitors that have not run their diagnostic testing then the issue of the vehicle being ready for an Emissions Test Smog Check depends on the emissions regulations and laws of your local area d MONITOR STATUS 00 Soss EMISSION STATUS 6 the CODE RETRIEVAL two possible conditions is Lo fo MONITOR STATUS PENDING D EMISSION STATUS MONITOR STU BH Di dp 0
29. MITED ONE YEAR WARRANTY The Manufacturer warrants to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one 1 year from the date of original purchase If the unit fails within the one 1 year period it will be repaired or replaced at the Manufacturer s option at no charge when returned prepaid to the Service Center with Proof of Purchase The sales receipt may be used for this purpose Installation labor is not covered under this warranty All replacement parts whether new or remanufactured assume as their warranty period only the remaining time of this warranty This warranty does not apply to damage caused by improper use accident abuse improper voltage service fire flood lightning or other acts of God or if the product was altered or repaired by anyone other than the Manufacturer s Service Center The Manufacturer under no circumstances shall be liable for any consequential damages for breach of any written warranty of this unit This warranty gives you specific legal rights and you may also have rights which vary from state to state This manual is copyrighted with all rights reserved No portion of this document may be copied or reproduced by any means without the express written permission of the Manufacturer THIS WARRANTY IS NOT TRANSFERABLE For service send via U P S if possible prepaid to Manufacturer Allow 3 4 weeks for ser
30. PROCEDURE m If the unit does not power on automatically when connected to the vehicle s DLC connector it usually indicates there is no power present at the vehicle s DLC connector Check your fuse panel and replace any burned out fuses m f replacing the fuse s does not correct the problem consult your vehicle s repair manual to identify the proper computer PCM fuse circuit and perform any necessary repairs before proceeding 5 Turn the ignition on DO NOT start the engine 6 Press and release the Scan Tool s POWER LINK button m The Scan Tool will automatically start a check of the vehicle s computer to determine which type of communication protocol it is using When the Scan Tool identifies the computer s communication protocol a communication link is established The protocol type used by the vehicle s computer is shown on the display A PROTOCOL is a set of rules and procedures for up regulating data transmission between computers and between testing equipment and computers As of this writing five different types of protocols ISO 9141 Keyword 2000 J1850 PWM J1850 VPW and CAN are in use by vehicle manufacturers The Scan Tool automatically identifies the protocol type establishes a communication link with the vehicle s computer 7 After approximately 10 60 seconds the Scan Tool will retrieve and display any Diagnostic Trouble Codes Monitor Status and Freeze Frame Data retrieved from the vehicle s
31. RETRIEVAL PROCEDURE m Red LED Indicates there is a TER problem with one or more of the OQOOSOO vehicle s systems The red LED is QOO also used to indicate that DTC s are present displayed on the Scan Tools screen In this case the Multifunction Indicator Check Engine lamp the vehicle s instrument panel will be illuminated m DTC s that start with PO P2 and some are considered Generic Universal All Generic DTC definitions are the same on all OBD2 equipped vehicles The Scan Tool automatically displays the code definitions if available for Generic DTC s If the definition for the currently displayed code is not available an advisory message shows on the Scan Tool s LCD display m that start with P1 and some P3 are Manufacturer specific codes and their code definitions vary with each vehicle manufacturer When a Manufacturer specific DTC is retrieved the LCD display shows a ogoogo 0 list of vehicle manufacturers Use the m i UP and DOWN buttons as necessary to highlight appropriate manufacturer then press the ENTER LD E button to display the correct code definition for your vehicle If the manufacturer for your vehicle is not listed use the UP and DOWN buttons as necessary to select Other manufacturer and press the ENTER LD button for additional DTC information If the Manufacturer Specific defini tion for
32. SI XX X MIL On Time hrs XXXX XX Engine Run Time while MIL ON min Monitor Status ICONS on Monitor Status this Driving Cycle Display O28 B1 S1 V X XXX Bank 1 Sensor 1 O28 B1 S1 mA X XXX Bank 1 Sensor 1 O2S Current 62 OBD2 Generic Global OBD2 PID List Tool Display Unit Value PID Description mA 02S B1 S1 V V X XXX Bank 1 Sensor 1 02S Voltage O2S B1 S2 V X XXX Bank 1 Sensor 2 O2S B1 S2 mA X XXX Bank 1 Sensor 2 O2S Current mA O28 B1 S2 V V X XXX Bank 1 Sensor 2 02S Voltage O2S B1 53 V X XXX Bank 1 Sensor 3 O2S B1 S3 mA X XXX Bank 1 Sensor 3 O2S Current mA O28 B1 S3 V V X XXX Bank 1 Sensor 3 O2S Voltage O28 B1 S4 V X XXX Bank 1 Sensor 4 O28 B1 54 mA X XXX Bank 1 Sensor 4 025 Current mA 02S B1 S4 V V X XXX Bank 1 Sensor 4 025 Voltage O28 B2 S1 V X XXX Bank 2 Sensor 1 O28S B2 S1 mA X XXX Bank 2 Sensor 1 025 Current mA O28 B2 S1 V V X XXX Bank 2 Sensor 1 02S Voltage O28 B2 52 V X XXX Bank 2 Sensor 2 O2S B2 S2 mA X XXX Bank 2 Sensor 2 O28 Current mA 02S B2 S2 V V X XXX Bank 2 Sensor 2 25 Voltage 02S B2 53 V X XXX Bank 2 Sensor 3 O28 B2 53 mA X XXX Bank 2 Sensor 3 O28 Current mA O28 B2 S3 V V X XXX Bank 2 Sensor 3 O2S Voltage O28 B2 S4 V X XXX Bank 2 Sensor 4 O28 B2 54 mA X XXX Bank 2 Sensor 4 O28 Current mA O28 B2 54 V X XXX Bank 2 Sensor 4 O2S Voltag
33. Y FIRST SAFETY FIRST To avoid personal injury instrument damage and or damage to your vehicle do not use the OBD2 Scan Tool before reading this manual This manual describes common test procedures used by experienced service technicians Many test procedures require precautions to avoid accidents that can result in personal injury and or damage to your vehicle or test equipment Always read your vehicle s service manual and follow its safety precautions before and during any test or service procedure ALWAYS observe the following general safety precautions When an engine is running it produces carbon monoxide a toxic and poisonous gas To prevent serious injury or death from carbon monoxide poisoning operate the vehicle ONLY in a well ventilated area To protect your eyes from propelled objects as well as hot or caustic liquids always wear approved safety eye protection When an engine is running many parts such as the coolant fan pulleys fan belt etc turn at high speed To avoid serious injury always be aware of moving parts Keep a safe distance from these parts as well as other potentially moving objects Engine parts become very hot when the engine is running To prevent severe burns avoid contact with hot engine parts Before starting an engine for testing or troubleshooting make sure the parking brake is engaged Put the transmission in park for automatic transmission or neutral for manual trans
34. acturer specific DTC was retrieved and the manufacturer selected for the code was not Chrysler Jeep Ford Mazda General Motors Isuzu Honda Acura Toyota or Lexus the enhanced mode is bypassed and the OBD2 DTC screen shows the first code retrieved Enhanced data is not available for your vehicle To view ABS DTCs Select View ABS DTCs from the Enhanced Main Menu then choose the appropriate manufacturer if prompted Refer to VIEWING ABS DTCs on page 29 to view ABS DTCs for your vehicle To view Enhanced DTCs Select View Enhanced DTCs from the Enhanced Main Menu then choose the appropriate manufacturer if prompted Refer to VIEWING ENHANCED DTCs on page 32 to view enhanced DTCs for your vehicle VIEWING ABS DTCs When View ABS DTCs is selected from the Enhanced Main Menu and the appropriate vehicle manufacturer is selected if prompted the ABS Menu for the appropri ate vehicle manufacturer displays You may choose to Read ABS DTCs or Erase ABS DTCs OBD2 29 Using the Code Reader VIEWING ABS DTCs Reading ABS DTCs 1 Use the UP and DOWN buttons as necessary to highlight Read ABS DTCs then press the ENTER LD button m A One moment please message displays while the Scan Tool retrieves the selected DTCs m f the Scan Tool fails to link to the vehicles computer Linking Failed message shows on the Scan Tool s display Verify the ignition is ON then press the
35. ase check all applicable items in each category DESCRIBE THE PROBLEM OBD2 17 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET 18 WHEN DID YOU FIRST NOTICE THE PROBLEM Q Just Started Started Last Week m Started Last Month Other LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS PROBLEMS STARTING symptoms Will not crank ENGINE QUITS OR STALLS symptoms Right after starting When shifting into gear a During steady speed driving IDLING CONDITIONS symptoms Is too slow at all times Is too fast RUNNING CONDITIONS No symptoms Runs rough Lacks power Bucks and jerks Poor fuel economy Hesitates or stumbles on accelerations Ooccooeuod Cranks but will not start Starts but takes a long time Right after vehicle comes to a stop While idling During acceleration When parking Is sometimes too fast or too slow Is rough or uneven Fluctuates up and down Backfires Misfires or cuts out Engine knocks pings or rattles Surges Dieseling or run on OBD2 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET AUTOMATIC TRANSMISSION PROBLEMS if applicable symptoms Shifts too early or too late a Changes gear incorrectly PROBLEM OCCURS a Morning Cold Warm Short less than 2 miles 2 10
36. by DTC Trigger screen displays select the desired trigger point as follows The Scan Tool is capable of recording approximately 20 Se frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC sets after the event or in the middle 10 frames before and 10 frames after the event Beginning records approximately 20 frames of Live Data after the DTC sets m Middle records approximately 10 frames of Live Data before and 10 frames after the DTC sets m End records approximately 20 frames of Live Data before the DTC sets 6 Use the UP and DOWN buttons as necessary to select the desired trigger point then press the ENTER LD button m One moment please message shows on the display When the Scan Tool is ready to record Live Data the Record Live Data screen displays 50 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA 7 Put the engine in the operating condition that causes the DTC to set m f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs 8 When the Scan Tool detects a fault that causes a DTC to set it automatically records and saves approximately 20 frames of Live Data information in its memory according to your trigger selection for each PID
37. computer designed to add or subtract fuel from the vehicle to compensate for operating conditions that vary from the ideal A F ratio long term Manufacturer Specific Code A DTC that applies only to OBD2 compliant vehicles made by a specific manufacturer MIL Malfunction Indicator Lamp also referred to as Check Engine light OBD1 On Board Diagnostics Version 1 also referred to as OBD 1 66 OBD2 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS OBD2 On Board Diagnostics Version 2 also referred to as OBD II On Board Computer The central processing unit in the vehicle s computer control system PCM Powertrain Control Module Pending Code A code recorded on the first trip for a two trip code If the fault that caused the code to be set is not detected on the second trip the code is automatically erased PID Parameter Identification STFT Short Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the vehicle to compensate for operating conditions that vary from the ideal A F ratio The vehicle uses this program to make minor fuel adjustments fine tune on a short term basis Trip Drive Cycle Vehicle operation that provides the necessary driving condition to enable a vehicle Monitor to run and complete its diagnostic testing VECI Vehicle Emission Control Information Decal OBD2 67 68 OBD2 Warranty and Servicing LI
38. d sections of the vehicle s emissions system m If a Monitor was able to meet all the conditions required to enable it to perform the self diagnosis and testing of its assigned engine System it means the monitor HAS RUN m f a Monitor has not yet met all the conditions required for it to perform the self diagnosis and testing of its assigned engine system it means the Monitor HAS NOT RUN The Monitor Run Not Run status does not show whether or not a problem exists in a system Monitor status only indicates whether a particular Monitor has or has not run and performed the self diagnosis and testing of its associated system Performing I M Readiness Quick Check When a vehicle first comes from the factory all Monitors a indicate a HAVE RUN status This indicates that all Monitors have run and completed their diagnostic testing The HAVE RUN status remains in the computer s memory unless the Diagnostic Trouble Codes are erased or the vehicle s computer memory is cleared The Scan Tool allows you to retrieve Monitor System Status Information to help you determine if the vehicle is ready for an Emissions Test Smog Check In addition to retrieving Diagnostic Trouble Codes the Scan Tool also retrieves Monitor Run Not Run status This information is very important since different areas of the state country have different emissions laws and regulations concerning Monitor Run Not Run status Before an Emissions Test Smog Chec
39. des from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Erase DTCs from the computer s memory as follows Se When DTCs are erased from the vehicle s computer memory the I M Readiness Monitor Status program resets the status of all Monitors to a not run flashing condition To set all of the Monitors to a DONE status an OBD2 Drive Cycle must be performed Refer to your vehicle s service manual for information on how to perform an OBD2 Drive Cycle for the vehicle under test Sr The Scan Tool must be connected to the vehicle s DLC to erase the codes from the computer s memory If you press the ERASE button when the Scan Tool is not connected to the vehicle s DLC the erase instruction screen displays The Erase function can be performed only from the OBD2 6 DTC screen The Erase function cannot be performed while the Scan Tool is in enhanced mode 40 OBD2 Using the Scan Tool I M READINESS TESTING 1 If not connected already connect the Scan Tool to the vehicle s DLC and turn the ignition On If the Scan Tool is already connected and linked to the vehicle s computer proceed directly to step 4 If not continue to step 2 2 Tum the ignition on DO NOT start the engine Press and release the POWER LINK amp EH button to establish communication with the vehicle s computer 3 Press and rel
40. dure ALWAYS have a second person help you One person should drive the vehicle while the other person observes the Scan Tool data Trying to drive and operate the Scan Tool at the same time is dangerous and could cause a serious traffic accident VIEWING LIVE DATA 1 Follow steps 1 through 7 of the CODE RETRIEVAL PROCEDURE page 22 to place the Scan Tool in Code Retrieval mode 2 Press and release the ENTER LD button to place the Scan Tool in Live Data mode 3 Real time Live Data PID information supported by the vehicle under test displays Remember what you are viewing is real time Live Data The SE values volts rom temperature vehicle speed system status etc for the various PIDS displayed may change as the vehicle s operating conditions change 4 A vehicle usually supports several PIDs however only a limited amount of PID data can be displayed on the screen at one time If additional PID data is available a small arrow will be shown on the display Use the the UP e and DOWN buttons as necessary to scroll up or down to view all available PID data OBD2 47 Live Data Mode CUSTOMIZING LIVE DATA PIDs m f communication with the vehicle is lost while viewing Live Data a Communication Lost message shows on the Scan Tool s display 5 f you experience vehicle problems view and or compare the Live Data PID information displayed on the Scan Tool to specifications in the vehicle
41. e O28 Location O2811 Oxygen Sensor Bank 1 Sensor 1 O28 Location 02512 1 2 O28 Location 02513 Oxygen Sensor Bank 1 Sensor O2S Location O2814 Oxygen Sensor Bank 1 Sensor 4 O28 Location 02521 Oxygen Sensor Bank 2 Sensor 1 O2S Location z 02522 Oxygen Sensor Bank 2 Sensor 1 O28 Location 02523 Oxygen Sensor Bank 2 Sensor O2S Location a 02524 Oxygen Sensor Bank 2 Sensor 4 O2S Location 2511 Oxygen Sensor Bank 1 Sensor 1 O2S Location O2812 Oxygen Sensor Bank 1 Sensor 2 O28 Location 5 02521 Oxygen Sensor Bank 2 Sensor 1 O2S Location 02522 Oxygen Sensor Bank 2 Sensor 2 O2S Location 02531 Oxygen Sensor Bank 3 Sensor 1 O2S Location 02532 Oxygen Sensor Bank 3 Sensor 2 O2S Location 02541 Oxygen Sensor Bank 4 Sensor 1 O2S Location 02542 Oxygen Sensor Bank 4 Sensor 2 OBD2 63 Generic Global OBD2 PID List Tool Display Unit Value PID Description OBD Support OBD2 OBD Requirements OBD Support OBD OBD Requirements OBD Support OBD and OBD Requirements OBD2 OBD Support OBD1 OBD Requirements OBD Support No OBD OBD Requirements OBD Support EOBD OBD Requirements OBD Support EOBD and OBD Requirements OBD2 OBD Support EOBD and OBD Requirements OBD OBD Support EOBD OBD Requirements OBD and OBD2 O
42. e ENTER LD button 4 When you have finished viewing the recorded Live Data exit the Live Data Playback mode using the appropriate procedure shown below m If the Scan Tool is connected to a vehicle use the DOWN button to scroll to the end of the PID list highlight Exit Playback then press the ENTER LD button m If the Scan Tool is not connected to a vehicle press the DTC SCROLL P3 button OBD2 Additional Tests O2 SENSOR TEST In addition to retrieving Diagnostic Trouble Code DTC and viewing Live Data you can use the Scan Tool to perform additional diagnostic tests and to view diagnostic and vehicle information stored in your vehicle s on board computer Additional tests are accessed through the Mode Selection Menu To access the Mode Selection Menu place the Scan Tool in Live Data mode see VIEWING LIVE DATA on page 47 for details then press and hold the ENTER LD button until the Mode Selection Menu appears The following functions are available from the Mode Selection Menu m Live Data Menu Displays the Live Data Menu from which you can choose to record customize and play back Live Data see the Live Data Mode section beginning on page 47 for more information m O2 Sensor Test Retrieves and displays O2 sensor monitor test esults from your vehicle s on board computer m Non Continuous Test Retrieves and displays test results for emission related powertrain components
43. ease the ERASE ous button A confirmation message shows 221 on the display If you are sure you want to proceed press the ERASE button again to erase DTCs from the vehicle s computer If you do not want to continue with the erase process press the POWERILINK button to exit the erase mode 4 If you chose to erase DTCs a progress screen displays while the erase function is in progress m f the erase was successful a confirmation message shows on the display Press the DTC SCROLL E button to return to the DTC screen m the erase was not successful an advisory message shows on the display Verify that the Scan Tool is properly connected to the vehicle s DLC and that the ignition is on then repeat steps 2 and 3 above Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made I the code s will appear again and the check engine light will illuminate as soon as the vehicle is driven long enough for its Monitors to complete their testing I M READINESS TESTING is an Inspection and Maintenance program legislated by the Government to meet federal clean air standards OBD2 41 Using the Scan Tool I M READINESS TESTING The program requires that a vehicle be taken periodically to an Emissions Station for an Emissions Test or Smog Check
44. emporary DTCs m Confirmed DTCs or History DTCs 1 Use the UP and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button m A One moment please message displays while the Scan Tool retrieves the selected DTCs m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s display Verify the ignition is ON then press the ENTER LD button to continue 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description a of LCD display elements m A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible icon indicates that the Scan Tool is linked to communicat ing with the vehicle s computer m The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved OBD2 37 Using the Scan Tool VIEWING ENHANCED DTCs m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display MONITOR STATUS icons are not displayed when Se viewing enhanced DTCs In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and S buttons as
45. f desired you can transfer the recorded Live Data information to a personal computer using the optional PC LINK program see instructions included with PC Link for more information Important Information 1 When Live Data capture is initiated the green yellow and red LEDs on the Scan Tool will flash three times to indicate that Live Data is being saved to the Scan Tool s memory 2 When you are LINKED to a vehicle and you are in the Live Data View mode you can toggle between Live Data View mode and DTC view mode by alternately pressing and releasing the DTC SCROLL or the ENTER LD buttons The Scan Tool will stay linked to the vehicle s computer during this process However if the DTC SCROLL button is pressed twice the DTC screen will be advanced to the next DTC screen and the Scan Tool will be taken out of link LIVE DATA PLAYBACK Once Live Data has been recorded it is saved in the Scan Tool s memory You can view recorded Live Data immediately after recording by selecting Yes from the Record Live Data confirmation screen see RECORDING CAPTURING LIVE DATA on page 49 for more information or you can view it later using the Playback function OBD2 53 Live Data Mode LIVE DATA PLAYBACK 54 1 With the Scan Tool not connected to a vehicle press the POWER LINK button m The To Link screen shows on the Scan Tool s display 2 Press the ENTER LD button to place the Scan Tool in Live Data
46. g the Vehicle s Service Repair Manual for testing instructions testing procedures and flow charts related to retrieved code s m f you plan to take the vehicle to a professional to have it serviced complete the PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET on page 17 and take it together with the retrieved codes freeze frame data and LED information to aid in the troubleshooting procedure m To prolong battery life the Scan Tool automatically shuts Off approximately three minutes after it is disconnected from the vehicle The DTCs retrieved captured Live Data Information Monitor Status and Freeze Frame data if any will remain in the Scan Tool s memory and may be viewed at any time by turning the unit On If the Scan Tool s batteries are removed or if the Scan Tool is re linked to a vehicle to retrieve codes data any prior codes data in its memory are automatically cleared THE ENHANCED MAIN MENU Following the code retrieval procedure see CODE RETRIEVAL PROCEDURE on page 22 when the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool enters the enhanced mode The enhanced mode provides the ability to retrieve enhanced DTCs from most Chrysler Jeep Ford Mazda GM Isuzu Honda Acura and Toyota Lexus vehicles The types of enhanced data available depends on the vehicle make You can also retrieve Anti Lock Brake System ABS DTCs ABS DTCs are available for Chrysler Jeep Ford and GM
47. have the following options m Repair the vehicle yourself If you are going to perform the repairs yourself proceed by reading the vehicle service manual and following all its procedures and recommendations m Take the vehicle to a professional to have it serviced The problem s causing the red LED to light must be repaired before the vehicle is ready for an Emissions Test Smog Check Using the I M Readiness Monitor Status to Confirm a Repair The I M Readiness Monitor Status function can be used after repair of a fault has been performed to confirm that the repair has been performed correctly and or to check for Monitor Run Status Use the following procedure to determine I M Readiness Monitor Status 1 OBD2 Using retrieved Diagnostic Trouble Codes DTCs and code definitions as a guide and following manufacturer s repair procedures repair the fault or faults as instructed After the fault or faults have been repaired connect the Scan Tool to the vehicle s DLC and erase the code or codes from the vehicle s computer memory m See page 40 for procedures for ERASING DIAGNOSTIC TROUBLE CODES DTCs from the vehicle s on board computer m Write the codes down on a piece of paper for reference before erasing 45 Using the Scan Tool I M READINESS TESTING 3 After the erase procedure is performed most of the Monitor icons on the Scan Tool s display will be flashing Leave the Scan Tool connected to the veh
48. he dashboard For all OBD systems if a problem is found the computer turns on the CHECK ENGINE light to warn the driver and sets a Diagnostic Trouble Code DTC to identify where the problem occurred A special diagnostic tool such as the Enhanced OBD2 Scan Tool is required to retrieve these codes which consumers and professionals use as a starting point for repairs The Enhanced OBD2 Scan Tool provides the additional ability to retrieve enhanced DTCs from most Chrysler Jeep General Motors Ford Mazda and Isuzu vehicles The types of enhanced data available depends on the vehicle make Chrysler Jeep Ford Mazda GM Izusu Honda Acura and Toyota Lexus vehicles as well as Anti Lock Brake System ABS DTCs and vehicle information The types of enhanced data available depends on the vehicle make OBD2 1 You Can Do It EASY TO USE EASY TO VIEW EASY TO DEFINE Easy To Use m Connect the Scan Tool to the vehicle s test connector m Turn the ignition key On m Press the LINK button Easy To View m The Scan Tool retrieves stored codes Enamora vaa OT D died Frame data and Readiness ko m m Codes I M Readiness status and Freeze Frame data are displayed on the Scan Tools display screen System status is indicated by LED indicators Easy To Define m Read code definitions from the Scan Tool s display m View Freeze Frame data m View Live Data 2 OBD2 Safety Precautions SAFET
49. icates that all engine systems are running normally all Monitors on the vehicle are active and performing their diagnostic testing and no DTCs are present 8 YELLOW LED Indicates there is a possible problem A Pending DTC is present and or some of the vehicle s emission monitors have not run their diagnostic testing 9 RED LED Indicates there is a problem in one or more of the vehicle s systems The red LED is also used to show that DTC s are present DTCs are shown on the Scan Tool s display In this case the Multifunction Indicator Check Engine lamp on the vehicle s instrument panel will light steady on 10 Display Displays settings Menu and submenus test results Scan Tool functions and Monitor status information See DISPLAY FUNCTIONS following for more details 11 CABLE Connects the Scan Tool to the vehicle s Data Link Connector DLC DISPLAY FUNCTIONS iw 3 rs I M MONITOR d 87 15 UY Penone Be OB 4 ab 5 Q Diim 17 Figure 2 Display Functions See Figure 2 for the locations of items 1 through 16 following 1 MONITOR STATUS field Identifies the I M Monitor status area 12 OBD2 Scan Tool Controls DISPLAY FUNCTIONS 2 Monitor icons Indicate which Monitors are supported by the vehicle under test and whether or not the associated Monitor has run its diagnostic testing Monitor status When a Monitor icon is solid it indicates that the as
50. icle and perform a Trip Drive Cycle for each flashing Monitor Misfire Fuel and Comprehensive Component Monitors run Se continuously and their icons will always be on solid even after the erase function is performed m Each DTC is associated with a specific Monitor Consult the vehicle s service manual to identify the Monitor or Monitors associated with the faults that were repaired Follow the manufacturer s procedures to perform a Trip Drive Cycle for the appropriate Monitors m While observing the Monitor icons on the Scan Tool s display perform a Trip Drive Cycle for the appropriate Monitor or Monitors If the vehicle needs to be driven in order to perform a Trip Drive Cycle ALWAYS have a second person help you One person should drive the vehicle while the other person observes the Monitor icons on the Scan Tool for Monitor RUN status Trying to drive and observe the Scan Tool at the same time is dangerous and could cause a serious traffic accident 4 When a Monitor s Trip Drive Cycle is performed properly the Monitor icon on the Scan Tool s display changes from flashing to solid indicating that the Monitor has run and finished its diagnostic testing m If after the Monitor has run the MIL on the vehicle s dash is not lit and no stored or pending codes associated with that particular Monitor are present in the vehicle s computer the repair was successful m f after the Monitor has run the MIL on the
51. il Since Clear DTC or History 1 Use the UP and DOWN buttons as necessary to highlight the desired option then press the ENTER LD button m A One moment please message displays while the Scan Tool retrieves the selected DTCs OBD2 35 Using the Scan Tool VIEWING ENHANCED DTCs m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s display Verify the ignition is ON then press the ENTER LD button to continue 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description SP of LCD display elements m A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible ap icon indicates that the Scan Tool is linked to communicating with the vehicle s computer m The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display MONITOR STATUS icons are not displayed when viewing enhanced DTCs Se In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the e and buttons as necessa
52. inta 55 NON CONTINUOUS TEST sss 57 SYSTEM TEST heir iiie nti dci ente 58 VEHICLE INFORMATION seen 59 GENERIC GLOBAL OBD2 PID LIST 61 GLOSSARY GLOSSARY OF TERMS AND ABBREVIATIONS 66 WARRANTY AND SERVICING LIMITED ONE YEAR WARRANTY 69 SERVICE PROGEDURES nite ierit tese 69 i OBD2 Introduction WHAT IS OBD WHAT IS OBD The Enhanced OBD2 Scan Tool is designed to work on all OBD2 compliant vehicles All 1996 and newer vehicles cars light trucks and SUVs sold in the United States are OBD2 compliant One of the most exciting improvements in the automobile industry was the addition of on board diagnostics OBD on vehicles or in more basic terms the computer that activates the vehicle s CHECK ENGINE light OBD1 was designed to monitor manufacturer specific systems on vehicles built from 1981 to 1995 Then came the development of OBD2 which is on all 1996 cars and light trucks sold in the U S Like its predecessor OBD2 was adopted as part of a government mandate to lower vehicle emissions But what makes OBD2 unique is its universal application for all late model cars and trucks domestic and import This sophisticated program in the vehicle s main computer system is designed to detect failures in a range of systems and can be accessed through a universal OBD2 port which is usually found under t
53. ions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions Check your vehicle thoroughly before performing a any test See BEFORE YOU BEGIN on page 20 for details ALWAYS observe safety precautions whenever working on a vehicle See SAFETY PRECAUTIONS on page 3 for more information 1 Turn the ignition off 2 Locate the vehicle s 16 pin Data Link Connector DLC See page 5 for connector location Sr Some DLCs have a plastic cover that must be removed before connecting the Scan Tool cable connector If the Scan Tool is ON turn it OFF by pressing the POWER LINK button BEFORE connecting the Scan Tool to the DLC 3 Connect the Scan Tool cable connector to the vehicle s DLC The cable connector is keyed and will only fit one way m f you have problems connecting the cable connector to the DLC rotate the connector 180 and try again m f you still have problems check the DLC on the vehicle and on the Scan Tool Refer to your vehicle s service manual to properly check the vehicle s DLC eS 4 When the Scan Tool s cable connector is properly connected to the vehicle s DLC the unit automatically turns ON and the display shows instructions for linking to the vehicle s on board computer 22 OBD2 Using the Scan Tool CODE RETRIEVAL
54. is identified as 2 or B2 Bank One indicates the side of the engine where cylinder Sp number one is located V type engines Bank Two is opposite of Bank One m Yor These characters identity the location of the O2 sensor in relation to the exhaust system catalyst An O2 sensor located upstream of the catalyst is identified by the designation 1 or S1 a sensor located downstream of the Catalytic Converter is identified as 2 or S2 For example O2S12 or O2SB1S2 is the designation for the downstream O2 sensor for cylinder bank 1 The Scan Tool does not perform O2 sensor tests but retrieves Sy results from the most recently performed O2 sensor tests from the on board computer s memory You may retrieve O2 sensor test results for only one test of one sensor at any given time 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight O2 Sensor Test then press the ENTER LD 629 button m The Select Sensor screen displays The screen shows all O2 sensors applicable to the vehicle under test If O2 sensor tests are not Sy supported by the vehicle under test an advisory message shows on the Scan Tool s display Press the ENTER LD button to return to Live Data mode 2 Use the UP 2 and DOWN buttons as necessary to highlight the O2 sensor for which you wish to view test results then press the ENTER LD button 3 A One moment please message di
55. k can be performed your vehicle must meet certain rules requirements and procedures legislated by the Federal and state country governments where you live 1 In most areas one of the requirements that must be met before a vehicle is allowed to be Emissions Tested Smog Checked is that the vehicle does not have any Diagnostic Trouble Codes present with the exception of PENDING Diagnostic Trouble Codes 2 In addition to the requirement that no Diagnostic Trouble Codes be present some areas also require that all the Monitors that a particular vehicle supports indicate a Has Run status condition before an Emissions Check may be performed 3 Other areas may only require that some but not all Monitors indicate a Has Run status before an Emissions Test Smog Check may be performed OBD2 43 Using the Scan Tool I M READINESS TESTING e Monitors with a Has Run status indicate that all the required conditions they needed to perform diagnosis and testing of their assigned engine area system have been met and all diagnostic testing fully has completed success Monitors with a Has Not Run status have not yet met the conditions they need to perform diagnosis and testing of their assigned engine area system and have not been able to perform diagnostic testing on that system The green yellow and red LEDs provide a quick way to help you determine if a vehicle is ready for an Emissions Test Smog Check
56. lay Area Displays DTC definitions Freeze Frame data Live Data and other pertinent test information messages 9 FREEZE FRAME icon Indicates that there is Freeze Frame data from Priority Code Code 1 stored in the vehicle s computer memory 10 HISTORY icon Indicates the currently displayed DTC is a History code 11 PENDING icon Indicates the currently displayed DTC is a Pending code 12 MIL icon Indicates the status of the Malfunction Indicator Lamp MIL The MIL icon is visible only when a DTC has commanded the MIL on the vehicle s dashboard to light 13 Code Number Sequence The Scan Tool assigns a sequence number to each DTC that is present in the computer s memory starting with 01 This number indicates which code is currently displayed Code number 01 is always the highest priority code and the one for which Freeze Frame data has been stored OBD2 13 Scan Tool Controls DISPLAY FUNCTIONS If 01 is a Pending code there may or may not be Freeze Frame data stored in memory 14 Code Enumerator Indicates the total number of codes retrieved from the vehicle s computer 15 Generic DTC icon When visible indicates that the currently displayed DTC is a generic or universal code 16 Manufacturer Specific DTC icon When visible indicates that the currently displayed DTC is a Manufacturer Specific Code 14 OBD2 Onboard Diagnostics DIAGNOSTIC TROUBLE
57. miles Long more than 10 miles Stop and go While turning While braking At gear engagement With A C operating D O D 0 DRIVING HABITS Mostly city driving Highway Park vehicle inside Park vehicle outside GASOLINE USED 87 Octane 89 Octane a 32 55 F 0 13 Below freezing 32 F 0 C Afternoon ENGINE TEMPERATURE WHEN PROBLEM OCCURS Vehicle does not move when in gear Q Jerks or bucks a Anytime Hot DRIVING CONDITIONS WHEN PROBLEM OCCURS With headlights on During acceleration Mostly driving downhill Mostly driving uphill Mostly driving level Mostly driving curvy roads Mostly driving rough roads L DD Drive less than 10 miles per day Drive 10 to 50 miles per day Drive more than 50 miles per day 91 than 91 Octane WEATHER CONDITIONS WHEN PROBLEM OCCURS Q Above 55 F 13 C CHECK ENGINE LIGHT DASH WARNING LIGHT Sometimes ON a Always ON a Never ON PECULIAR SMELLS a Hot Gasoline Sulfur rotten egg a Burning oil Burning rubber Electrical STRANGE NOISES Rattle Squeak Knock a Other OBD2 19 Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The Enhanced OBD2 Scan Tool aids in monitoring electronic and emissions related faults in your vehicle and retrieving fault codes related to malfunctio
58. mission Block the drive wheels with suitable blocks Connecting or disconnecting test equipment when the ignition is ON can damage test equipment and the vehicle s electronic components Turn the ignition OFF before connecting the Scan Tool to or disconnecting the Scan Tool from the vehicle s Data Link Connector DLC OBD2 3 Safety Precautions SAFETY FIRST To prevent damage to the on board computer when taking vehicle electrical measurements always use a digital multimeter with at least 10 megOhms of impedance Fuel and battery vapors are highly flammable To prevent an explosion keep all sparks heated items and open flames away from the battery and fuel fuel vapors DO NOT SMOKE NEAR THE VEHICLE DURING TESTING Don t wear loose clothing or jewelry when working on an engine Loose clothing can become caught in the fan pulleys belts etc Jewelry is highly conductive and can cause a severe burn if it makes contact between a power source and ground OBD2 About the Scan Tool VEHICLES COVERED VEHICLES COVERED The Enhanced OBD2 Scan Tool is designed to work on all OBD2 compliant vehicles All 1996 and newer vehicles cars and light trucks sold in the United States are OBD2 compliant Federal law requires that all 1996 and newer cars and light Ga trucks sold in the United States must be OBD2 compliant this includes all Domestic Asian and European vehicles Some 1994 and 1995 vehicles are OBD2 c
59. nd the green yellow and red LEDs The green yellow and red LEDs used with the display as visual aids to make it easier to determine engine system conditions m Green LED Indicates that all engine systems are OK and Sgoeooea operating normally All monitors Doo supported by the vehicle have run and performed their diagnostic testing and no trouble codes are present A zero will show on the Scan Tool s display and all Monitor icons will be solid Yellow LED Indicates one of the following conditions A A PENDING CODE IS PRESENT ww B If the yellow LED is illuminated it TOST may indicate a Pending code is present Check the Scan Tool s display for confirmation A Pending code is confirmed by the presence of a numeric code and the word PENDING on the Scan Tools display B MONITOR NOT RUN STATUS If the Scan Tools display shows a MONITOR srarus zero indicating there are no DTC s Coe present in the vehicle s computer memory but the yellow LED is illuminated it may be an indication that some of the Monitors supported by the vehicle have not yet run and completed their diagnostic testing Check the Scan Tool s display for confirmation All Monitor icons that are blinking have not yet run and completed their diagnostic testing all Monitor icons that are solid have run and completed their diagnostic testing OBD2 25 Using the Scan Tool CODE
60. ne moment please message displays while the Scan Tool retrieves the selected DTCs m lf the Scan Tool fails to link to the vehicles computer a Linking Failed message shows on the Scan Tool s display Verify the ignition is ON then press the ENTER LD button to continue 2 To read the display Refer to DISPLAY FUNCTIONS on page 12 for a description Ga of LCD display elements m A visible e icon indicates that the Scan Tool is being powered through the vehicle s DLC connector m A visible icon indicates that the Scan Tool is linked to communicating with the vehicle s computer 32 OBD2 Using the Scan Tool VIEWING ENHANCED DTCs m The upper right hand corner of the display shows the number of the code currently being displayed the total number of codes retrieved m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the LCD display MONITOR STATUS icons are not displayed when SE viewing enhanced DTCs In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and S buttons as necessary to view the additional information m Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No Enhanced DTC s are
61. ns in these systems Mechanical problems such as low oil level or damaged hoses wiring or electrical connectors can cause poor engine performance and may also cause a fault code to set Fix any known mechanical problems before performing any test See your vehicle s service manual or a mechanic for more information Check the following areas before starting any test m Check the engine oil power steering fluid transmission fluid if applicable engine coolant and other fluids for proper levels Top off low fluid levels if needed m Make sure the air filter is clean and in good condition Make sure all air filter ducts are properly connected Check the air filter ducts for holes rips or cracks m Make sure all engine belts are in good condition Check for cracked torn brittle loose or missing belts m Make sure mechanical linkages to engine sensors throttle gearshift position transmission etc are secure and properly connected See your vehicle s service manual for locations m Check all rubber hoses radiator and steel hoses vacuum fuel for leaks cracks blockage or other damage Make sure all hoses are routed and connected properly m Make sure all spark plugs are clean and in good condition Check for damaged loose disconnected or missing spark plug wires m Make sure the battery terminals are clean and tight Check for corrosion or broken connections Check for proper battery and charging system voltages
62. nufacturer Specific Codes Identifies the system where the problem is located 1 Fuel and Air Metering 2 Fuel and Air Metering injector circuit malfunction only 3 Ignition System or Misfire 4 Auxiliary Emission Control System 5 Vehicle Speed Control and Idle Control System 6 Computer Output Circuits 7 Transmission 8 Transmission Identifies what section of the system is malfunctioning 16 OBD2 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET The purpose of this form is to help you gather preliminary information on your vehicle before you retrieve codes By having a complete account of your vehicle s current problem s you will be able to systematically pinpoint the problem s by comparing your answers to the fault codes you retrieve You can also provide this information to your mechanic to assist in diagnosis and help avoid costly and unnecessary repairs It is important for you to complete this form to help you and or your mechanic have a clear understanding of your vehicle s problems NAME DATE VIN YEAR MAKE MODEL ENGINE SIZE VEHICLE MILEAGE VIN Vehicle Identification Number found at the base of the windshield on a metallic plate or at the driver door latch area consult your vehicle owner s manual for location TRANSMISSION Automatic Manual Ple
63. ol System An electronic control system consisting of an on board computer and related sensors switches and actuators used to ensure peak performance and fuel efficiency while reducing pollutants in the vehicle s emissions DIY Do It Yourself DLC Data Link Connector Drive Cycle An extended set of driving procedures that takes into consideration the various types of driving conditions encountered in real life Driving Condition A specific environmental or operation condition under which a vehicle is operated such as starting the vehicle when cold driving at steady speed cruising accelerating etc DTC s Diagnostic Trouble Code s EGR Exhaust Gas Recirculation EPA Environmental Protection Agency EVAP Evaporative Emissions System Fault Code See DTCs Freeze Frame A digital representation of engine and or emissions system conditions present when a fault code was recorded FTP Fuel Tank Pressure Generic Code A DTC that applies to all OBD2 compliant vehicles I M Readiness An indication of whether or not a vehicle s emissions related system are operating properly and are ready for Inspection and Maintenance testing I M Test Emissions Test Smog Check A functional test of a vehicle to determine if tailpipe emissions are within Federal State Local requirements LCD Liquid Crystal Display LED Light Emitting Diode LTFT Long Term Fuel Trim is a program in the vehicle s
64. ol is linked to communicating with the vehicle s computer m The I M Monitor Status icons indicate the type and number of Monitors the vehicle supports and provides indications of the current status of the vehicle s Monitors A solid Monitor icon indicates the associated Monitor has run and completed its testing A blinking Monitor icon indicates the associated Monitor has not run and completed its testing m The upper right hand corner of the display shows the number of the code currently being displayed the 2950780 0 total number of codes retrieved the type of code G Generic M Enhanced or Manufacturer specific and whether or not the displayed code commanded the MIL on If the code being displayed is a PENDING code the PENDING icon is shown m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the display 24 OBD2 Using the Scan Tool CODE RETRIEVAL PROCEDURE In the case of long code definitions or when viewing Freeze Frame and Live Data a small arrow is shown in the upper lower right hand corner of the Scan Tool display area to indicate the presence of additional information Use the and buttons as necessary to view the additional informa tion If a definition for the currently displayed code is not available an advisory message shows on the Scan Tool s display 9 Read and interpret Diagnostic Trouble Codes system condition using the display a
65. ompliant To find out if a 1994 or 1995 vehicle is OBD2 compliant check the following 1 The Vehicle Emissions Control Information VECI Label This label is located under the hood or by the radiator of most vehicles If the vehicle is OBD2 compliant the label will state OBD Il Certified VEHICLE EMISSION CONTROL INFORMATION ENGINE FAMILY EFN2 6YBT2BA OBDII DISPLACEMENT 2 6L CERTIFIED h VEHICLE THIS VEHICLE CONFORMS TO U S EPA AND STATE a MANUFACTURER OF CALIFORNIA REGULATIONS APPLICABLE TO 1999 MODEL YEAR NEW TLEV PASSENGER CARS OB D II REFER TO SERVICE MANUAL FOR ADDITIONAL INFORMATION TUNE UP CONDITIONS NORMAL OPERATING ENGINE TEMPERATURE C ERTI FI E D ACCESSORIES OFF COOLING FAN OFF TRANSMISSION IN NEUTRAL EXHAUST EMISSIONS STANDARDS STANDARD CATEGORY CERTIFICATION TLEV IN USE TLEV INTERMEDIATE SPARK PLUG TYPE NGK BPFE 11 CATALYST GAP 1 1MM 2 Government Regulations require that all rz OBD2 compliant vehicles must have a i 3 617 sixteen pin Data Link Connector DLC 4 9 1011123141516 Some 1994 and 1995 vehicles have 16 pin connectors but are 352 not OBD2 compliant Only those vehicles with a Vehicle Emissions Control Label stating OBD II Certified are OBD2 compliant Data Link Connector DLC Location The 16 pin DLC is usually located under the instrument panel dash within 12 inches 300 mm of cen
66. on for each PID supported by the vehicle in the Scan Tool s memory Recorded Live Data can serve as valuable information to help you in the troubleshooting of vehicle problems There are two ways that the Scan Tool can record Live Data m Record by DTC Trigger m Record by Manual Trigger Sp If the POWER LINK button is pressed at any time while in Live Data mode any stored recorded Live Data will be cleared erased from the Scan Tool s memory Record by DTC Trigger This function automatically records captures Live Data information when a DTC sets and saves it in the Scan Tool s memory The recorded captured data can be a valuable troubleshooting aid particularly if you are experiencing a fault that is causing a DTC to set OBD2 49 Live Data Mode RECORDING CAPTURING LIVE DATA 1 With the Scan Tool in Live Data mode see VIEWING LIVE DATA on page 47 for details press and hold the ENTER LD 629 button until the Mode Selection Menu appears 2 Use the UP and DOWN buttons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the and DOWN buttons as necessary to highlight Record Live Data then press the ENTER LD button m The Record Live Data Menu dis plays 4 Use the UP and DOWN buttons as necessary to highlight Record by DTC trigger then press the ENTER LD button 5 When the Record
67. on may include m The vehicle s VIN number m The control module identification number m The vehicle s calibration ID s These IDs uniquely identify the software version s for the vehicle s control module s m The Vehicle s Calibration Verification Number s CVNs required by ODB2 regulations CVNs are used to determine if emission related calibrations for the vehicle under test have been changed One or more CVNs may be returned by the vehicle s computer 1 From the Mode Selection Menu use the UP e and DOWN buttons as necessary to highlight Vehicle Information then press the ENTER LD button m The Vehicle Information Menu dis plays If the Vehicle Information func tion is not supported by the vehicle under test an advisory message shows on the Scan display Press the ENTER LD t button to return to the Mode Selection menu 2 Use the UP and DOWN buttons as necessary to highlight Vehicle ID then press the ENTER LD button 3 A One moment please message displays while the requested information is retrieved from the vehicle s computer The first time the Vehicle ID function is used it may take several minutes to retrieve the information from the vehicle s computer OBD2 59 Additional Tests VEHICLE INFORMATION 4 When the retrieval process is completed the vehicle ID information is shown on the Scan Tool s display Use the UP and DOWN buttons
68. or vehicle operating conditions 1 With the Scan Tool in Live Data mode see VIEWING LIVE DATA on page 47 for details press hold the ENTER LD button until the Mode Selection Menu appears OBD2 51 Live Data Mode RECORDING CAPTURING LIVE DATA 2 Use the UP and DOWN buttons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN buttons as necessary to highlight Record Live Data then press the ENTER LD button m The Record Live Data Menu dis plays 4 Use the UP and DOWN buttons as necessary to highlight Record by manual trigger then press the ENTER LD button 5 When the Record by Manual Trigger screen displays select the desired trigger point as follows The Scan Tool is capable of recording approximately 20 a frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC was set after the event or in the middle 10 frames before and 10 frames after the event m Beginning records approximately 20 frames of Live Data after the ENTER LD button was pressed m Middle records approximately 10 frames of Live Data before and 10 frames after the ENTER LD F button was pressed m
69. presently stored in the vehicle s computer is displayed Press the ENTER LD button to return to the Chrysler Enhanced menu 3 If more than one code was retrieved press the DTC SCROLL FPA button as necessary to display additional codes one at a time m Whenever the Scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the Chrysler Enhanced menu m To view additional enhanced DTCs repeat steps 1 through 4 above m To exit the enhanced mode use the UP and DOWN buttons as necessary to select Exit from the Chrysler Enhanced menu then press the ENTER LD 4 button The Scan Tool returns to the OBD2 DTC screen Ford Mazda Enhanced DTCs Mazda Enhanced DTCs are available for Mazda branded Ford vehicles only OBD2 33 Using the Scan Tool VIEWING ENHANCED DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu and Ford Mazda is selected if prompted the Ford Mazda Enhanced menu displays You may view DTCs for either the Continuous Memory Test KOEO Key On Engine Off Test or KOER Key On Engine Running Test 1 Use the UP e and DOWN buttons as necessary to highlight the desired option then press the ENTER LD F button
70. ry to view the additional information m The Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No Enhanced DTC s are presently stored in the vehicle s computer is displayed Press the ENTER LD button to return to the GM Enhanced menu 3 If more than one code was retrieved press the DTC SCROLL P button as necessary to display additional codes one at a time m Whenever the Scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 36 OBD2 Using the Scan Tool VIEWING ENHANCED DTCs 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the GM Isuzu Enhanced menu m To view additional enhanced DTCs repeat steps 1 through 4 above To exit the enhanced mode use the UP and DOWN buttons as necessary to select Exit from the GM Isuzu Enhanced menu then press the ENTER LD F button The Scan Tool returns to the OBD2 DTC screen Honda Acura Enhanced DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu and Honda Acura is selected if prompted the Honda Acura Enhanced menu displays Depending on the protocol used to communicate with your vehicle the Honda Acura Enhanced menu provides options to view m Permanent DTCs or T
71. s repair manual If desired you can customize the Live Data display to show only E those PIDs you are interested in viewing See Customizing Live Data PIDs below for details You may also choose to capture record Live Data for later viewing See RECORDING CAPTURING LIVE DATA on page 49for details 6 You can toggle back and forth between the DTC screen to view DTCs and Live Data screen to view PIDs by alternately pressing and releasing the DTC SCROLL and the ENTER LD buttons once the unit will stay linked to the vehicle while toggling between modes If the DTC SCROLL button is pressed twice then the screen will scroll to the next DTC and the tool will be taken out of link When toggling from the Live Data to the DTC screen a one moment please message will temporarily display followed by the DTC screen CUSTOMIZING LIVE DATA PIDs This feature lets you customize the Scan Tool display to show only those PIDs that are of interest at the current time You can customize the Live Data display by placing the Scan Tool in Custom Live Data mode and selecting only the PIDs that you wish to display To customize the Live Data display proceed as follows 1 With the Scan Tool in Live Data mode see VIEWING LIVE DATA on page 47 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the UP and DOWN buttons as necessary to highlight Live Data
72. sociated Monitor has completed its diagnostic testing When a Monitor icon is flashing it indicates that the vehicle supports the associated Monitor but the Monitor has not yet run its diagnostic testing 3 Vehicle icon Indicates whether or not the Scan Tool is being properly powered through the vehicle s Data Link Connector DLC A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector 4 ab Link icon Indicates whether or not the Scan Tool is communicating linked with the vehicle s on board computer When visible the Scan Tool is communicating with the computer If the Link icon is not visible the Scan Tool is not communicating with the computer 5 amp Computer icon When this icon is visible it indicates that the Scan Tool is linked to a personal computer An optional PC Link Kit is available that makes it possible to upload retrieved data to a personal computer 6 Scan Tool Internal Battery icon When visible indicates the Scan Tool batteries are low and should be replaced If the batteries are not replaced when the battery symbol e is on all 3 LEDs will light up as a last resort indicator to warn you that the batteries need replacement No data will be displayed on screen when all 3 LEDs are lit 7 DTC Display Area Displays the Diagnostic Trouble Code DTC number Each fault is assigned a code number that is specific to that fault 8 Test Data Disp
73. splays while the request is sent to the vehicle s on board computer 4 When test results have been retrieved data for the selected sensor test will show on the Scan Tool s display 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button to return to the Select Test screen 56 OBD2 Additional Tests NON CONTINUOUS TEST NON CONTINUOUS TEST The Non Continuous Test function retrieves and displays test results for emission related powertrain components and systems that are not continuously monitored The tests available are determined by the vehicle manufacturer The Scan Tool does not perform non continuous test but SE retrieves results from the most recently performed tests from the on board computer s memory You may retrieve non continuous test results for only one test at any given time 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Non Continuous Test then press the ENTER LD button m The Select Test screen displays The screen shows all tests applicable to the vehicle under test Refer to the vehicle s service repair manual for information related to non continuous tests If non continuous tests are not CN supported by the vehicle under test an advisory message shows on the Scan Tools display Press the ENTER LD button to return to the Mode Selec
74. supported by the vehicle m All three LEDs will blink for three seconds to indicate that Live Data is being recorded and a One moment please message shows on the display m When recording is complete a confirmation screen displays asking if you would like to view the recorded data Use the UP and DOWN buttons as necessary to select Yes or No as desired then press the ENTER LD button If Yes is selected the Scan Tool CY enters Playback mode from which you can view a frame by frame playback of recorded Live Data see LIVE DATA PLAYBACK on page 53 for details If No is selected the display returns to the Live Data View mode 9 You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD F button until the Mode Selection Menu displays If desired you can transfer the recorded Live Data information SE to a personal computer using the optional PC LINK program see instructions included with PC Link for more information Record by Manual Trigger This option lets you select the precise time at which the Live Data recording will occur Record by Manual Trigger can be a very valuable diagnostic tool when troubleshooting intermittent problems that do not meet the requirements for a DTC to set Even though a DTC is not present the intermittent problems will sometimes manifest themselves briefly for a few fractions of a second and or only at certain vehicle speeds
75. t hand corner of the code display area to indicate the presence of additional information Use the buttons as necessary to view the additional information m The Scan Tool will display a code only if codes are present in the vehicle s computer memory If no codes are present a No Enhanced DTC s are presently stored in the vehicle s computer is displayed Press the ENTER LD button to return to the Ford Mazda Enhanced menu 3 If more than one code was retrieved press the DTC SCROLL P button as necessary to display additional codes one at a time m Whenever the Scroll function is used to view additional codes the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the LINK button again 4 When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed the Scan Tool returns to the Ford Mazda Enhanced menu m To view additional enhanced DTCs repeat steps 1 through 4 above m To exit the enhanced mode use the UP e and DOWN buttons as necessary to select Exit from the Ford Mazda Enhanced menu then press the ENTER LD button The Scan Tool returns to the OBD2 DTC screen General Motors Isuzu Enhanced DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu and General Motors Isuzu is selected if prompted the GM Isuzu Enhanced menu displays You may view the MIL Current Fa
76. ter of the panel on the drivers side of most vehicles It should be easily accessible and visible from a p kneeling position outside the lt N sirar vehicle with the door open LEFTCORNER OF DASH OF DASH OBD2 5 About the Scan Tool BATTERY REPLACEMENT On some Asian and European vehicles the DLC is located behind the ashtray the ashtray must be removed to access it or on the far left corner of the dash If the DLC cannot be located consult the vehicle s service manual for the location BATTERY REPLACEMENT Replace batteries when the battery symbol ee is visible on display and or the 3 LEDS are all lit and no other data is visible on screen 1 2 3 4 Locate the battery cover on the back of the Scan Tool Slide the battery cover off use your fingers Replace batteries with three AA size batteries for longer life use Alkaline type batteries Reinstall the battery cover on the back of the Scan Tool Language Selection After Battery Installation The first time the Scan Tool is turned on you must select the desired display language English French or Spanish Select the display language as follows 1 Press and hold the POWER LINK 33 button for approximately 3 seconds to turn the Scan Tool ON m The Select Language screen dis plays Use the UP and DOWN buttons as necessary to highlight the desired display language When the desired display language
77. test 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight System Test then press the ENTER LD 9 button m The System Test Menu displays 2 Use the UP and DOWN buttons as necessary to highlight EVAP Leak Test then press the ENTER LD S button 3 A One moment please message displays while the request is sent to the vehicle s on board computer Some vehicle manufacturers do not allow Scan Tools or other external devices to control vehicle systems If the EVAP Leak Test is not supported by the vehicle under test an advisory message shows on the Scan Tool s display Press the ENTER LD button to return to the System Test menu 4 When the EVAP leak test has been initiated by the vehicle s on board computer a confirmation message shows on the Scan Tool s display Press the ENTER LD button to return to Live Data mode 58 OBD2 Additional Tests VEHICLE INFORMATION VEHICLE INFORMATION The Vehicle Information function offers two options for retrieving reference information for the vehicle under test Vehicle ID and Available Modules Retrieving Vehicle ID Information The Vehicle ID function is applicable to model year 2000 and newer OBD2 compliant vehicles The Scan Tool can retrieve a list of information provided by the vehicle manufacturer unique to the vehicle under test from the vehicle s on board computer This informati
78. the currently displayed desosa g k code is not available an advisory message shows on the Scan Tool s display 10 If more than one DTC was retrieved and to view Freeze Frame Data press and release the DTC SCROLL Y button as necessary m Each time the DTC SCROLL 33 button is pressed and released the Scan Tool will scroll and display the next DTC in sequence until all DTCs in its memory have displayed 26 OBD2 Using the Scan Tool CODE RETRIEVAL PROCEDURE m Freeze Frame Data if available will display after DTC 1 Whenever the Scroll function is used to view additional DTCs and Freeze Frame Data the Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the POWER LINK button again m In OBD2 systems when emissions related engine malfunc tion occurs that causes a DTC to set a record or snapshot of engine conditions at the time that the malfunction occurred is also saved in the vehicle s computer memory The record saved is called Freeze Frame data Saved engine conditions include but are not limited to engine speed open or closed loop operation fuel system commands coolant temperature calculated load value fuel pressure vehicle speed air flow rate and intake manifold pressure If more than one malfunction is present that causes more than e one DTC to be set only the code with the highest priority will contain
79. tion menu 2 Use the UP 2 and DOWN buttons as necessary to highlight the desired test then press the ENTER LD button 3 A One moment please message diplays while the request is sent to the vehicle s on board computer 4 When test results have been retrieved data for the selected test will show on the Scan Tool s display The display shows the following information m Test ID number wm Module ID number m Component ID number m Min or Max test limit Only one test limit either Min or Max is shown for any given test m Test Value and status OBD2 57 Additional Tests SYSTEM TEST Status is calculated by the Scan Tool by comparing the Test Value against the displayed test limit either Min or Max Status is shown as either Low High or OK 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button to return to the Select Test screen SYSTEM TEST The System Test function lets you initiate a leak test for the vehicle s EVAP system Se The Scan Tool does not perform the leak test but signals to vehicle s on board computer to initiate the test The vehicle manufacturer determines the criteria and method for stopping the test once it has been started BEFORE using the System Test function refer to the vehicle s service repair manual to determine the procedures necessary to stop the
80. ufacturers are free to expand beyond the standardized codes to make their systems easier to diagnose m The 3rd character is a numeric digit It identifies the specific system or sub system where the problem is located m The 4th and 5th characters are numeric digits They identify the section of the system that is malfunctioning DTCs and MIL Status When the vehicle s on board computer detects a failure in an emissions related component or system the computers internal diagnostic program assigns a diagnostic trouble code DTC that points to the system and subsystem where the fault was found The diagnostic program saves the code in the computer s memory It records a Freeze Frame of S conditions present when the fault was found and lights the Malfunction Indicator Lamp MIL Some faults require detection for two trips in a row before the MIL is turned on OBD2 15 Onboard Diagnostics DIAGNOSTIC TROUBLE CODES DTCs The Malfunction Indicator Lamp MIL is the accepted term used to describe the lamp the dashboard that lights to warn the driver that an emissions related fault has been found Some manufacturers may still call this lamp a Check Engine or Service Engine Soon light OBD2 DTC EXAMPLE P0201 Injector Circuit Malfunction Cylinder 1 B Body C Chassis P Powertrain U Network 0 Generic 1 Manufacturer Specific 2 Generic 3 Includes both Generic and Ma
81. vehicle s dash lights and or a DTC associated with that Monitor is present in the vehicle s computer the repair was unsuccessful Refer to the vehicle s service manual and recheck repair procedures 46 OBD2 Live Data Mode VIEWING LIVE DATA The OBD2 Scan Tool is a special diagnostic tool that communicates with the vehicle s computer The Scan Tool lets you view and or capture record real time Live Data This information includes values volts rpm temperature speed etc and system status information open loop closed loop fuel system status etc generated by the various vehicle sensors switches and actuators In effect the Scan Tool lets you view in real time the same signal values generated by the sensors actuators switches and or vehicle system status information used by the vehicle s computer when calculating and conducting system adjustments and correc tions The real time Live Data vehicle operating information values status that the computer supplies to the Scan Tool for each sensor actuator Switch etc is called Parameter Identification PID Data Each PID sensor actuator switch status etc has a set of operating characteristics and features parameters that serve to identify it The Scan Tool displays this information for each sensor actuator switch or status that is supported by the vehicle under test WARNING If the vehicle must be driven in order to perform a a troubleshooting proce
82. vice repair SERVICE PROCEDURES If you have any questions require technical support or information on UPDATES and OPTIONAL ACCESSORIES please contact your local store distributor or the Service Center USA amp Canada 800 544 4124 5 00 AM 6 00 PM Monday Friday PST All others 714 241 6802 5 00 AM 6 00 PM Monday Friday PST FAX 714 432 7511 24 hr Web www CanOBD2 com OBD2 69 TECHNICAL ASSISTANCE W b E WE EMPLOY TECHNICIANS CERTIFIED BY ASE ONLY LET US SHOW YOU THEIR CREDENTIALS www CanOBD2 com INNOVA Innova Electronics Corp 17291 Mt Herrmann Street Fountain Valley CA 92708 Printed in Taiwan IEC Instruction MRP 93 0230 e s ha m 2 Copyright 2008 IEC All Rights Reserved
83. where the emissions related components and systems are inspected and tested for proper operation Emissions Tests are generally performed once a year or once every two years On OBD2 systems the I M program is enhanced by requiring vehicles to meet stricter test standards One of the tests instituted by the Federal Government is called I M 240 On I M 240 the vehicle under test is driven under different speeds and load conditions on a dynamometer for 240 seconds while the vehicle s emissions are measured Emissions tests vary depending on the geographic or regional area in which the vehicle is registered If the vehicle is registered in a highly urbanized area the I M 240 is probably the type of test required If the vehicle is registered in a rural area the stricter dynamometer type test may not be required I M Readiness Monitors 42 I M Readiness shows whether the various emissions related systems on the vehicle are operating properly and are ready for Inspection and Maintenance testing State and Federal Governments enacted Regulations Procedures and Emission Standards to ensure that all emissions related components and systems are continuously or periodically monitored tested and diagnosed whenever the vehicle is in operation It also requires vehicle manufacturers to automatically detect and report any problems or faults that may increase the vehicle s emissions to an unacceptable level The vehicle s emissions control s
84. ystem consists of several components or sub systems Oxygen Sensor Catalytic Converter EGR Fuel System etc that aid in reducing vehicle emissions To have an efficient Vehicle Emission Control System all the emissions related components and systems must work correctly whenever the vehicle is in operation To comply with State and Federal Government regulations vehicle manufacturers designed a series of special computer programs called Monitors that are programmed into the vehicle s computer Each of these Monitors is specifically designed to run tests and diagnostics on a specific emissions related component or system Oxygen Sensor Catalytic Converter EGR Valve Fuel System etc to ensure their proper operation Currently there are a maximum of eleven Monitors available for use Each Monitor has a specific function to test and diagnose only up its designated emissions related component or system The names of the Monitors Oxygen Sensor Monitor Catalyst Monitor EGR Monitor Misfire Monitor etc describe which component or system each Monitor is designed to test and diagnose OBD2 Using the Scan Tool I M READINESS TESTING Emissions Inspection and Maintenance I M Readiness Monitor Status Information Readiness Monitor Status shows which of the vehicle s Monitors have run and completed their diagnosis and testing and which ones have not yet run and completed testing and diagnosis of their designate

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