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Manual - Bosch Diagnostics

1. 2 Press Gi to select Diagnostics from the OBD Il Toolpak menu 3 Press to select Prep Vehicle from the Diagnostics menu 4 Review and answer the prompts that are displayed on the screen using the and Q9 keys Use or to advance through the text description screens 5 Press Qp to return to the previous menu ACTIVE KEVS 0 0 Scroll up and down C C Answer question or query ENTER Advance to the next menu EXIT Exit to the previous question or test menu GLOBAL OBD Il WITH TOOLPAK MODE F9 OBD Il TOOLPAK SUBMODE FO DIAGNOSTICS SUBMODE F1 PROCEDURE F1 PROCEDURE The OBD Il system represents the latest in on board failure detection strategies Strategies such as misfire detection component and fuel system status are some examples of diagnostic data that can be obtained from the OBD Il system Along with the new more stringent methods of failure detection came standardized diagnostic test modes These standardized test modes are supported in the Global OBD Il application as modes FO through F8 F1 Diagnostic Procedure is designed to assist you in learning how to diagnose an OBD Il system fault or assess current system condition While there are many approaches that can be used there is no one right way to perform this task This submode helps formalize a strategy and teaches you how using a sensible approach to use the Global OBD II application modes FO F8 and determine a solution to a problem within th
2. F4 OBD CONTROLS Fo EVAP LEAK EVAP LEAK TEST ENABLED EXIT OPERATING PROCEDURE 1 Select F4 OBD CONTROLS from the SELECT MODE menu 2 Select FO EVAP LEAK from the OBD CONTROL menu 3 Press Qp to return to the OBD CONTROL menu If the conditions necessary to run the evaporative emissions system leak test are not correct the vehicle ECU may respond with a manufacturer defined reason the test cannot be run or may not respond atall If the vehicle PCM does not support OBD CONTROLS the tester will display No Control Tests Supported when the OBD CONTROLS test mode is selected NOTE The tester will automatically determine whether the vehicle under test supports the test mode 4 23 GLOBAL OBD Il WITH TOOLPAK MODE F5 SYSTEM TEST SUBMODE FO 02S RESULTS F5 SYSTEM TEST F0 O28 RESULTS The OXYGEN SENSOR O2S RESULTS mode allows the tester to display the results of the oxygen sensor testing performed by the vehicle s engine controller These tests are once per trip tests and are performed after the ignition is turned on under conditions defined by the vehicle manufac turer The O28 RESULTS mode is not available for all vehicles Some vehicles use the other results test mode to report results of O2S testing User selected Vehicle dependent F5 SYSTEM TESTS F0 O28 RESULTS Fn O28 BANK X Fn SENSOR X R gt L SwTim O 16 Secs L gt R SwTim 0 088 Secs OPERATING PROCEDURE 1 Select F
3. Early Fuel Evaporation Efficiency Electronic Fuel Injection Exhaust Gas Recirculation Exhaust Gas Recirculation Temperature Electronic Ignition ignition systems without a distributor or distributorless Engine Electronic Spark Control Evaporative Emission Electronic Vacuum Regulator Valve Full Time Failure Feed Back Federal Communications Commission Feedback Fuel Injection Fast Idle Control Device Field Front Fuel Pump E 5 GLOBAL OBD Il WITH TOOLPAK FPRC Freeze Frame FREQ FRNT FRT FT FT 02S B1 S1 FTP FTR FUEL STATUS 1 FUNC FXS GMP4 GND Fuel Pressure Regulator Control An OBD Il test mode where the tester displays diagnostic data parameters which were saved bv the vehicle at the time a Diagnostic Trouble Code occurred Frequencv Front Front Fuel Trim Short Term Fuel Trim for oxvgen sensor 1 on Bank 1 This parameter indicates the amount of adjustment of the fuel injected into the engine based on feedback from this oxvgen sensor Federal Test Procedure A test procedure used to determine compliance of light dutv motor vehicles with federal emissions standards The FTP simu lates on road operation and includes cold start up idle operation acceleration deceleration a vari etv of part throttle speed load conditions and hot start up Fuel Trim Fuel Svstem Status for Bank 1 This parameter indicates whether the fuel control svstem for Bank 1 is operating Op
4. NE Speed Theselection of F1 USERLIST PARAMETERS pra will display a list of parameters from which to YES Select select F1 USER LIST PARAMETERS allows NO De Select you to select any combination to monitor from 1 parameter to all parameters Parameters are selected by scrolling through the list using the and keys and then pressing and GTO to select and deselect the listed parameter When the parameters have been selected press to go to the display mode The tester will remember the selected parameters until the tester is turned OFF so you won t have to re select them every time SELECT ECU If there are multiple OBD II ECUs and the DATA FO ALL ECUs SETUP mode is selected an additional DATA E le TRANS LIST SETUP menu is available The F0 SE LECT ECU menu allows you to select which ECU s will contribute to the DATA LIST Once the ECU s that will contribute data DATA LIST SETUP are selected press F1 DATA SETUP to choose FO Select ECU all parameters available or a custom list of F1 Select D L parameters from the chosen ECU s Parameters GLOBAL OBD Il WITH TOOLPAK DATA LIST MODE FO MULTIPLE ECUs MULTIPLE ECUs Diagnostic parameter data can be selected from all ECUs or individual ECUs that the tester has identified This mode should be set up before displav data is selected to ensure vour desired ECU data is being displaved For further information on multiple ECU data list displav refer to DISPLAV ING D
5. Replay Data or view useful diagnostic information by selecting F9 OBD II Toolpak SELECT MODE A Y After selecting FO Powertrain and initializing F0 Datalist communication with the vehicle the SELECT F1 Readiness MODE menu will be displayed All selections duis from the SELECT MODE menu require vehicle communications except F9 OBD II Toolpak 2 ECUs RESPONDED If the vehicle you are testing contains more than 10 ENGINE one OBD II ECU the tester will display a list of all 18 TRANS ECUS which have responded during the initial ization process Refertothe DISPLAYING DATA FOR MULTIPLE ECUS section COMMUNICATION FAILURE If the tester fails to get a response from the vehicle it will display a retry count and one of two error messages At that point it will continue to retry communication approximately every 3 seconds If the communication problem is resolved e g the ignition is switched to ON and communication begins the tester will automatically proceed to the next phase If communi cation cannot be established see APPENDIX D IF YOU RE HAVING A PROBLEM 34 GLOBAL OBD Il WITH TOOLPAK THIS PAGE LEFT INTENTIONALLY BLANK GLOBAL OBD Il WITH TOOLPAK 4 0 TEST MODES Once communication with the vehicle has been established a select mode menu is displaved In some cases a readiness tests warning message is displaved prior to the menu See READINESS TESTS section SELECT MODE MENU SELECT MODE v This menu allo
6. This mode is only selectable when it is supported by the vehicle ECU F8 INFORMATION F1 SW CALIB ID CALID 1 XXXXXXXXXXXXXXX CAL ID 2 XXXXXXXXXXXXXXX OPERATING PROCEDURE 1 Select F8 INFORMATION from the SELECT MODE menu 2 Select F1 S W CALIB from the SELECT TYPE menu 3 Press 3XIB to return to the INFORMATION menu GLOBAL OBD Il WITH TOOLPAK MODE F8 INFORMATION SUBMODE F2 S W VERIF ID F2 S W VERIF ID The SOFTWARE VERIFICATION NUMBER selection is used for determin ing whether emission related calibrations within the ECU software have been altered Software Verification Numbers are calculated based on memory content at the time of the request Any changes to calibration will be detected in the Software Verification Number This mode is only selectable when it is supported by the vehicle F8 INFORMATION F2 S W VERIF ID VERIF NUM 1 XXXXXXXX VERIF NUM 2 XXXXXXXX OPERATING PROCEDURE 1 Select F8 INFORMATION from the SELECT MODE menu 2 Select F2 S W VERIF ID from the SELECT TVPE menu 3 Press ST to return to the INFORMATION menu NOTE Multiple Software Verification Numbers mav be re ported bv an ECU Each Software Verification Number will correspond to a unique Software Calibration ID number NOTE Turn the engine off when requesting the Software Verification Number from the vehicle ECU Failure to turn the engine off mav cause the ECU to require more time to calculate th
7. depending on which selection was last made since the tester was powered up GLOBAL OBD WITH TOOLPAK DATALIST MODE Fo DATA SETUP SUBMODE F1 F1 DATA SETUP The DATA SETUP mode allows you to select the data you want to display You can select either ALL PARAMETERS or USER LIST PARAMETERS which allows you to monitor any combination of parameters from 1 parameter to all parameters The update rate for the parameters depends on the number of parameters selected A single parameter can be sampled as fast as 8 times per second The more parameters that are selected the slower the update rate will be OPERATING PROCEDURE FO DATA LIST F1 DATA SETUP FO ALL PARMS F1 USER LIST PARAMETERS Engine Speed 756 RPM ECT 185 F 1 Select FO DATA LIST from the SELECT MODE menu 2 Select F1 DATA SETUP from the DATA LIST menu 3 Select FO ALL PARMS or F1 USER LIST PARAMETERS from the DATA LIST SETUP menu The message WAITING FOR DATA will be displayed The tester will display either ALL PARAMETERS or CUSTOM LIST PARAMETERS depending on which selection was made GLOBAL OBD Il WITH TOOLPAK MODEFO DATA LIST SUBMODE F1 DATA SETUP F0 ALL PARAMETERS The selection of FO ALL PARMS will monitor all of the information available from the ECU Depending on the number of diagnostic data parameters in the data list the update rate can be 3 seconds or longer F1 USER LIST PARAMETERS ENG
8. the test modes within the Global OBD Il application including the impor tance of manufacturer OBD Il drive cycle and monitor completion after repairs OPERATING PROCEDURE 1 Press G to select OBD Il TOOLPAK from the Select Mode menu 2 Press Gi to select Diagnostics from the OBD Il Toolpak menu The key help screen will be displayed 3 Press G to select Repair Verification from the Diagnostics menu Firsttime users to ensure proper operation this mode is best reviewed before actual testing on vehicle is performed 4 Use the and keys to review the prompts that are displayed on the screen Read any key help screens that may be displayed for navigation help NOTE For automobile manufacturer drive cycle information refer to the service manual for the vehicle that is currently being tested 5 Press to return to the previous question or test menu ACTIVE KEYS Scroll up and down EXIT Exit to the previous question or test menu GLOBAL OBD Il WITH TOOLPAK OBD II TOOLPAK MODEF9 PARAMETERS JSUBMODE F1 F1 PARAMETERS The Parameters submode displays text descriptions for each diagnostic data parameter displayed in the Global OBD Il application Common high and low values for each diagnostic data parameter are also available for reference NOTE When the tester is connected to the vehicle and Data List is selected the total number of displayed diagnostic data parameters will depend on the vehicle E
9. this menu option is only displayed if a snapshot has been taken SNAPSHOT TRIGGER Point Center Tvpe Manual Engine Speed 1024 RPM Ign Timing 29 59 Engine Speed 1024 RPM Ign Timing 29 59 GLOBAL OBD Il WITH TOOLPAK SNAPSHOT MODE F3 SNAPSHOT REPLAY SUBMODE F3 When the SNAPSHOT REPLAY mode is first entered the tester displays information about the saved snapshot The snapshot strigger point Beginning Center or End and trigger type Manual Any DTC or Single DTC are displayed for a couple seconds before the snapshot data is displayed When replaying a saved snapshot the sample at the time of the trigger is initiallv displayed Samples before and or after the trig ger can be viewed by pressing the and keys to scroll through the samples The sample number of a snapshot is displayed in the lower right of the display screen This index number will initially be a 0 samples after the trigger will be displaved as positive numbers and samples before the trigger will be displaved as negative numbers While replaving a snapshot pressing N will cause the software to toggle between the sample index and the sample time The sample time display gives the time in seconds relative to the trigger sample at which the TECH 1 received the currentiv displaved sample For example a sample time of 3 4 means the sample was received 3 4 seconds after the trigger sample A sample time of 2 6 seconds means the sample was
10. 40 to 215 Intake Air Temperature IAT is an analog input to the ECU This parameter provides a temperature indication of engine intake air temperature as it flows across the IAT sensor IAT sensors can be located in the intake manifold intake air plumbing or airbox Typical IAT is 140 F warm engine at idle Note that the in parenthesis indicates the parameter is temperature related IGN TIMING UNITS RANGE Spark Advance IGN TIMING is the amount of ignition electronic spark advance that the ECU is currently commanding The amount of ignition spark advance is based on several inputs to the ECU engine load throttle angle engine temperature etc and a lookup table in the ECU s memorv For OBD Il svstems Spark Advance should be the timing advance for cvlinder number 1 and does not include mechanical advance if applicable Spark Advance increases with engine RPM and a tvpical value is 10 20 degrees at idle warm engine GLOBAL OBD Il WITH TOOLPAK LTFT 1 UNITS RANGE ETETA 100 to 100 Long Term Fuel Trim LT FT is the measure of adaptive or feedback fuel correction strategy for the injection of fuel into the engine Long Term Fuel Trim represents the ECU s steady long term adjustment to fuel strategy determined from a lookup table in its memory This parameter changes slowly over time at a rate slower than Short Term Fuel Trim and varies with engine design and engine operating conditions The numeric character in
11. Information a text based description of expected O2S locations nomenclature type used plus howto inspect torque and remove and replace O2Ss is displayed GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 02S INFORMATION SUBMODE F4 LOCATION SUBMODE FO FO LOCATION This mode is used to obtain information on oxygen sensor identification bank number and sensor number for the vehicle under test A sample of actual vehicles with OBD Il was used to determine the unique types of exhaust type number of catalytic converters and oxygen sensors This information was then arranged in a way that you can select the configuration based on vehicle equipment Using this mode can assist you in learning about the OBD Il system s new oxygen sensor naming and location conventions NOTE Use of this mode requires knowledge of the vehicle s emissions equipment configuration exhaust type dual single single with a y connection number of catalytic converters and number of oxygen sensors Refer to the Appendix B for further OBD Il Oxygen Sensor Location Information OPERATING PROCEDURE 1 Press to select OBD Il TOOLPAK from the Select Mode menu 2 Press G to select O2S Information from the OBD Il Toolpak menu 3 Press a to select Location from the O2S Information menu The key help screen will be displayed Press GMa or wait to advance 4 A series of information screens will appear They remind you to review and obtain
12. OBD Il DTCs are 5 characters and are broken into system categories System Pxxxx Powertrain Bxxxx Body Cxxxx Chassis Category x0100 to x0999 SAE defined DTCs x1000 or greater Manufacturer defined DTCs TPS UNITS RANGE 0 to 100 Throttle Position Sensor TPS is an input to the ECU and provides information about throttle plate opening For OBD Il systems TPS voltage is converted by the ECU and displayed as a relative or absolute throttle opening value Therefore this indicates how much the throttle is opened off its throttle stop and not in relation to a zero voltage level TPS percentage changes with the movement of the accelerator pedal and should display 0 20 at idle to above 80 at Wide Open Throttle VEHICLE SPEED UNITS RANGE MPH 0 to 158 km h 0 to 255 Vehicle Speed is an indication of vehicle speed in miles per hour or kilometers per hour The ECU uses vehicle speed to make determinations about current engine operating conditions and the operation of various engine management system output components 6 7 GLOBAL OBD Il WITH TOOLPAK THIS PAGE LEFT INTENTIONALLY BLANK moo lt APPENDICES UNDERSTANDINGOBD A 1 OBD Il OXYGEN SENSOR LOCATION INFORMATION B 1 DEFINITION OF CODE TYPE I C 1 IF YOU RE HAVING A PROBLEM RII D 1 GLOSSARY OF TERMS ACRONYMS E 1 AND ABBREVIATIO
13. SNAPSHOT REPLAY teri 4 20 MODE F4 OBD CONTROLS c eee eee 4 23 SUBMODE F0 EVAP LEAK eee 4 23 MODE F5 SYSTEM TEST 4 ete mei kii beki 4 24 SUBMODE F0 OXYGEN SENSOR RESULTS 4 24 SUBMODE F1 OTHER RESULTS 4 28 MODE F8 INFORMATION gt 00 00 cece cece eee eee 4 30 SUBMODE FOS VIN A tre liye wa wie MANNA in ete 4 30 SUBMODE F1 S W CALIB ID 4 31 SUBMODE F2 SMWVER F D 4 32 TABLE OF CONTENTS Table of Contents continues on the following page TABLE OF CONTENTS continued SECTION PAGE MODE F9 OBD Il TOOLPAK I 4 33 SUBMODE F0 DIAGNOSTICS 4 37 SUBMODEFO PREPVEH CLE 4 37 SUBMODE F1 PROCEDURE 4 38 SUBMODE F9 REPAIR VERIFICATION 4 40 SUBMODE F1 PARAMETERS 4 41 SUBMODE FO DEF N T ONS 4 42 SUBMODE F1 RANGES cece eee en cece eaee 4 44 SUBMODE F2 DTC LIBRARY 4 46 SUBMODE F3 READINESS INFORMATION 4 47 SUBMODE F4 OXYGEN SENSOR INFORMATION 4 48 SUBMODEFO LOCATION 4 49 SUBMODEF TYPE 4 51 SUBMODE F2 MAINTENANCE 4 52 SUBMODE FO INSPECTION 4 53 SUBM
14. SUP PORTED GLOBAL OBD Il WITH TOOLPAK READINESS MODE F1 READINESS TEST OPERATION OBD Il SYSTEM AND VEHICLE INFORMATION The OBD Il system is capable of identifving the likely area of a malfunction within the electronic engine control system Observe the following before beginning diagnostic service LOW FUEL TANK LEVEL Automobile manufacturers may disable READINESS tests which can be affected by running the vehicle out of fuel example a monitor may become disabled when fuel tank volume is below 15 of maximum fuel tank capacity ALTITUDE Automobile manufacturers may disable READINESS tests which can be affected by altitude example a READINESS test may become disabled when vehicle is operated above 8 000 feet elevation AMBIENT TEMPERATURE Automobile manufacturers may disable READINESS tests which can be affected by ambient temperature example a READINESS test may become disabled when a vehicle is started below 20 F ambient POWER TAKE OFF UNIT Automobile manufacturers may disable READINESS tests which can be affected by power take off unit operation example a READINESS test may become disabled when a vehicle power take off is engaged or active All of the above are part of the California Air Resources Board OBD Il regulation and are options available to the automobile manufacturer for vehicle Powertrain Control Module PCM development In the case of some READINESS tests per the above a manufacturer may have
15. Speed 1000 RPM For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F2 DTCs from the SELECT MODE menu 2 Select F1 FREEZE DATA from the menu 3 Select the ECU from which you choose to monitor data for vehicles with multiple ECUs only The message WAITING FOR DATA will appear The FREEZE DATA information will then be displayed FREEZE DATAis only available for the first DTC which was detected by the vehicle The first parameter in the list is the DTC which caused the FREEZE DATA to be saved The FREEZE DATA is displayed in the same format as the data list in the DATA LIST mode 4 12 GLOBAL OBD Il WITH TOOLPAK bre _ MODE F2 FREEZE DATA SUBMODE F1 ACTIVE KEYS Scroll through displayed data parameters Mark top displayed parameter as fixed for creating your own data pairs unlocks bottom parameters if fixed Mark bottom displayed parameter as fixed for creat ing your own data pairs unlocks top parameters if fixed Toggle the data descriptor line with the Parameter Identification PID number and the ECU number Toggle unit conversions for applicable parameters between English and metric Print freeze data list if equipped with a serial printer Return to SELECT MODE menu 413 GLOBAL OBD Il WITH TOOLPAK moor TGs SUBMODE F2 CLEAR INFO F2 CLEAR INFORMATION The CLEAR INFORMATION mode is used to clear DTCs from all vehicle ECUS along with any other diagn
16. deter mined that a READINESS test is unreliable or not complete when certain conditions exist therefore not enabling proper operation ACTIVE KEYS Move marker Freeze menu scroll Print readiness test results Return to SELECT MODE menu GLOBAL OBD Il WITH TOOLPAK MODF2 DTCs SUBMODE FO READ DTCs F2 DIAGNOSTIC TROUBLE CODES DTCs FO READ DTCs When you selectthe FO READ DTCs mode the tester reads all DTCs which have been stored by the vehicle s controllers and then displays atwo column list of all DTCs the ID of the ECU reporting the DTCs e how many codes have been reported by that ECU SELECT ECU If the vehicle you are testing contains more than F1 510 ENGINE one OBD Il ECU you will be asked to select which ECU information you would like displayed F2 22 CHASS F2 DTCs E FO READ DTCs SELECT ECU ECU 10 DTCs 3 k PO443f P0110 P0111 For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F2 DTCs from the SELECT MODE menu 2 Select FO READ DTCs for the DTC menu 3 Select desired ECU from the SELECT ECU menu for vehicles with multiple ECUs only The DTC information will then be displayed 4 10 GLOBAL OBD Il WITH TOOLPAK Dies MODEF2 READ DTCs SUBMODE FO Generally 6 DTCs can be displayed at one time If more than 6 DTCs are reported by the ECU the tester will display a 4 prompt in the lower right hand corner indicating
17. display ensures displayed data is from your desired ECU 51 GLOBAL OBD Il WITH TOOLPAK MULTIPLE ECU STATUS INFORMATION When viewing multiple OBD Il ECU diagnostic data parameters the symbol equal or gt not equal before the parameter name indicates the parameter is being updated by multiple ECUs The symbol indicates the displayed parameter value is is being reported as the same value by multiple ECUs The gt symbol indicates the displayed parameter value is not being reported as the same value by multiple ECUs If there is no symbol before the parameter name the parameter is being updated by a single ECU Engine Speed XX gt 149 RPM Engine Speed XX gt 152 RPM CHARACTER STATUS Indicates multiple controllers are reporting approximately the same value for the parameter Indicates multiple controllers are reporting different data values and the data values are exceeding the tolerance values for the parameter blank Not a multiple ECU response GLOBAL OBD Il WITH TOOLPAK The following table lists the tolerances for the different parameters being labelled or gt Multiple parameters that are within the tolerances are reported as being the same Multiple parameters that are not within the tolerances are reported as being not the same 15KPaG Engine me 2 5 RPM Vehicle Spd 5 kph E i Timing 2 5 5 C 0 1 gm s LU GLOBAL OBD Il WITH TOOLPAK ACTIVE KEYS
18. received 2 6 seconds before the trigger GLOBAL OBD Il WITH TOOLPAK e G ED ACTIVE KEYS Scroll through displayed data parameters Scroll through samples Mark top displayed parameter as fixed for creating your own data pairs Mark bottom displayed parameter as fixed for creat ing your own data pairs Display trouble codes for current sample Toggle the data descriptor line with the Parameter Identification PID number and the ECU number Display first earliest sample Display trigger sample 0 Display last most recent sample Toggle unit conversions for applicable parameters Print data list if equipped with serial printer Return to SNAPSHOT MENU 4 22 GLOBAL OBD Il WITH TOOLPAK OBD CONTROLS MODE F4 EVAP LEAK SUBMODE FO F4 OBD CONTROLS The OBD CONTROLS mode allows the user to perform individual output controls to check for proper vehicle component or svstem operation The OBD CONTROLS that the user can control depend on the vehicle under test FO EVAP LEAK The EVAP LEAK test is used to enable the conditions required to conduct an evaporation svstem leak test Selecting FO EVAP LEAK does not actually run the test but instead closes the system preventing leakage Off board test equipment can then be used to test the vehicle s evaporative emission system The vehicle manufacturer is responsible for automatically aborting the leak test when necessary
19. screens These text screens contain oxygen sensor 02S contamination information how to check 02S sensor full range operation and expected O2S sensor signal range Press 3I to return to the previous menu ACTIVE KEYS Scroll up and down Select Inspection Select Maintenance Select O2S Information Advance program from current screen Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK MODE F9 OBD II TOOLPAK SUBMODE F4 02S INFORMATION SUBMODE F2 MAINTENANCE SUBMODE F1 TORQUE SPECIFICATION F1 TORQUE SPECIFICATION Mode F1 Torque Specification provides information about O2S installation and O2S Torque requirements OPERATING PROCEDURE 1 Press to select OBD Il TOOLPAK from the Select Mode menu 2 Press to select O2S Information from the OBD Il Toolpak menu 3 Press to select Maintenance from the O2S Information menu 4 Press a to select Torque Specification from the select maintenance menu The key help screen will be displayed Press or wait to advance 5 Press to advance through the text description screens Press to back up through the text description screens These text screens contain oxygen sensor 02S installation information and 02S Torque require ments 6 Press G G B to return to the previous menu ACTIVE KEYS Scroll up and down Select Torque Specification Select Maintenance Select O2S Information Advance program from current screen Exit t
20. the engine cylinder bank which has number 1 cylinder Bank 2 contains the sensor opposite the cylinder Bank 1 Additionally 02S location is separated into upstream and downstream relative to the catalytic converter For inline engines and V configuration engines with Y exhaust systems and one O2S ahead of the catalytic converter 02S 1 is the upstream sensor and O28 2 is the downstream sensor This results in the naming convention bank location Examples are O2S B1 S1 bank 1 upstream 025 B1 52 bank 1 downstream 02 Sensor 1 1 XX 02 Sensor 1 2 C 02 Sensor 1 2 B 1 GLOBAL OBD Il WITH TOOLPAK For V configuration engines with dual exhaust systems there may be a separate upstream and downstream O2S for each bank This will result in the following naming convention O2S B1 S1 bank 1 upstream 025 B1 52 bank 1 downstream O2S B2 S1 bank 2 upstream O2S B2 S2 bank 2 downstream O2 Sensor 1 1 O2 Sensor 2 1 O2 Sensor 1 2 C 02 Sensor 2 2 On some V configuration engines with 2 upstream O2S there may be an O28 3 O28 3 is the downstream O2S after the catalytic converter This configuration may have a third O2S ahead of the catalytic converter and results in the following naming convention O2S B1 S1 bank 1 upstream O2S B1 S2 bank 1 upstream O2S B2 S1 bank 2 upstream O2S B1 S3 bank 1 downstream O2 Sensor 1 1 O2 Sensor 2 1 O2 Sensor 1 3 Together these conventions are all
21. the following information from the vehicle configuration exhaust type dual single single with a y connection total number of catalytic converters total number of oxygen sensors Press Kul or wait to advance GLOBAL OBD Il WITH TOOLPAK MODEF9 J OBD II TOOLPAK SUBMODE F4 02S INFORMATION SUBMODE FO LOCATION 5 Using information obtained in step 4 select exhaust system type 6 Using information obtained in step 4 select number of catalytic converters if required 7 Using information obtained in step 4 select number of oxygen sensors if required 8 Aconfirmation screen with your selected data is displayed The key help screen will be displayed Press or wait to advance 9 Press to advance through the text description screens Press to back up through the text description screens These text screens contain bank number and sensor number information that the OBD Il system uses for its naming convention Using this information will help your under standing of the OBD II system 10 Press 281p to return to previous menu ACTIVE KEVS Scroll up and down Select 02S location exhaust system number of catalvtic converters number of oxvgen sensors Select exhaust svstem number of catalvtic convert ers number of oxvgen sensors Select exhaust svstem number of oxvgen sensors Select O2S Information Advance program from current screen Exit to the previous test menu GLOBAL OBD Il WITH TOOLPA
22. the requirements for a standard tester to be used for performing OBD Il testing The title of this document is OBD II Scan Tool SAE Recommended Practice defining the operat ing modes to be used by an OBD II Scan Tool for accessing diagnostic data from an OBD Il compli ant vehicle The title of this document is E E Diagnostic Test Modes SAE Recommended Practice defining the diag nostic trouble codes DTCs to be used by the vehicle s ECU for reporting the status of the on board diagnostic tests The title of this document is Recommended Practice for Diagnostic Trouble Code Definitions SAE Recommended Practice defining possible methods for vehicle manufacturers to implement enhancements to OBD II J2190 implementations are specific to the various manufacturers and are often referred to as Enhanced OBD II The title of this document is Enhanced E E Diagnostic Test Modes E 9 GLOBAL OBD Il WITH TOOLPAK J2205 KPa KPH KS LAF LED LF LR LT LT LT FT 1 M T MAF MAF R MAG MALF MAN I MAP SAE Recommended Practice defining a method of expanding an OBD Il Scan Tool to support manufacturer specific test modes The title of this document is Expanded Diagnostic Protocol for OBD Il Scan Tools Kilo pascals Kilometers per Hour Knock Sensor Linear Air Fuel Ratio Light Emitting Diode Left Front Left Rear Light Long Term Long Term Fuel Trim for Bank 1 Manual Transmission Mass
23. the tester has power 4 19 GLOBAL OBD Il WITH TOOLPAK MODE F3 SNAPSHOT SUBMODE F3 SNAPSHOT REPLAY SNAPSHOT DATA CAPTURE When the triggertype is selected the tester displays a status message in the form of a flashing W indicating that the tester is storing data and waiting for the trigger While waiting for a trigger to occur you can press the ELI 0319 or GI key at any time to trigger the snapshot manually regardless of the trigger type selected When a trigger has occurred the flashing W will change to a constantly displayed T When the tester memory is full the tester displays an 0 to indicate that the snapshot is complete Pressing 3418 after a trigger has occurred will end the data capture phase F3 SNAPSHOT REPLAY Once you have captured snapshot data you can examine it by pressing G from the SNAPSHOT menu Use the and keys to scroll through the samples The last snapshot is retained in the tester unless Itis overwritten by a new snapshot Anew application is selected from the application menu Anew master cartridge is installed in the tester The tester is unplugged from power for more than 24 hours You can review the captured snapshot in one of two ways 1 A snapshot can also be replayed after communication is established by selecting F3 SNAPSHOT REPLAY from SNAPSHOT MENU 2 Without vehicle communications by selecting F1 REPLAY SNAPSHOT DATA from the MAIN MENU
24. there is no connection to the vehicle via a diagnostic connector Equipment used to manually read DTCs in cludes single wire jumper Used when vehicle is supported with F1 DTC ENTRY Term used to describe a powertrain code that can be read from a vehicle ECU automatically via the data link connec tor The Society of Automotive Engineers SAE has defined a standardized set of five character alpha nu meric DTCs which can be read from an ECU by scantool These DTCs are only available on OBD Il compliant vehicles C 1 GLOBAL OBD Il WITH TOOLPAK THIS PAGE INTENTIONALLY LEFT BLANK GLOBAL OBD Il WITH TOOLPAK D IF YOU RE HAVING A PROBLEM This appendix describes some of the possible problems which you might run into when you try to use the Aian Imports Software on an OBD Il compliant vehicle 1 OBD Il Interface Circuitry Not Installed OBD Il Interface Possible Cause Circuitrv Not Installed a OBD Il Interface Circuitrv is not istalled in the Tester Recommendations Verify that the vehicle s ignition is on e Remove power from the tester by unplugging the DLC cable and reconnecting the cable Verify that the OBD II Interface Circuitrv is installed in your tester in one of the following configurations anOBD Il Interface Cartridge is installed in the top slot ofthe TECH 1A a Vehicle Interface Module VIM is connected in line with the serial data cable for either the TECH 1 or TECH 1A an OBD Il comp
25. this vehicle ENTER Recommendation Try a different test mode This display can occur in the O28 RESULTS mode if the vehicle manufacturer supports O2S testing via a different mode Some manufacturers use the non continuous version of the ON BOARD TESTS mode to report the results of oxygen sensor testing 7 Wrong display after power is applied ALL 87 89 ECM PLUS FORD 81 89 ECA F0 STAR MODE SELECT MODEL YEAR 198 F1 TECH 1 MODE Possible Causes Wrong master cartridge is installed Master cartridge is malfunctioning Tester is malfunctioning Recommendations Verify thatthe cartridge is installed in the bottom slot of the tester and that there isn t a master cartridge e g E K 86 87 SYSTEM in the top slot Try another cartridge Perform the Self test as described in the Operator s Manual D 4 GLOBAL OBD Il WITH TOOLPAK E GLOSSARY OF TERMS ACRONVMS AND ABBREVIATIONS The following is a list of terms acronyms and abbreviations which are applicable to OBD OBD I and OBD Il diagnosis and or the operation of this software 49ST 49 States AIC Air Conditioning A S AIR Solenoid AT Automatic Transmission A A C Auxiliary Air Control ABS Absolute ACCEL Accelerated or Accelerator ACV Air Control Valve ADJ Adjustment AFM Air Flow Meter AIR Secondary Air Injection ALDL Assembly Line Communication Link ANG Angle AP Atmospheric Pressure ASP Aspirated ASV Air Supply V
26. used to identify the O2S that may be causing a DTC or producing a faulty signal The 02S naming conventions shown here are consistent with J1979 Please consult the appropriate service manual for more information on the vehicle that you are working on GLOBAL OBD Il WITH TOOLPAK C DEFINITION OF CODE TYPE The Asian Imports application cartridge uses five description for code types which are Auto Manual ECU LED Malfunction Indicator Lamp MIL codes or OBDII DTCs Autocodes Mancodes ECU LED MILcodes OBD II DTC Term used when tester can read codes from the vehicle ECU automatically via the data link connector Used when vehicle is supported with F2 DTC Term used when tester provides information on the tester displav about how to read codes from vehicle ECU and there is no connection to the vehicle via a diagnostic connector Equipment used to manually read DTCs in cludes single wire jumper analog voltmeter ECU LED or Mastertech oscilloscope function Used when vehicle is supported with F1 DTC ENTRY Term used when tester provides information the on tester display about how to read ECU codes from vehicle ECU LED and there is no connection to the vehicle via a diagnostic connector Equipment used to manually read DTCs includes single wire jumper Used when vehicle is supported with F1 DTC ENTRY Term used when tester provides information the on tester display about how to read ECU codes from vehicle MIL and
27. 02S Results F1 Other Results F8 Information FO VIN F1 SW Calibration ID F2 S W Verification ID F9 OBD II Toolpak NOTE Not all models support OBD Controls or Information test modes The tester will automatically determine whether the vehicle under test supports the test mode when the mode is selected by the user 1 1 GLOBAL OBD Il WITH TOOLPAK MASTERTECH SETUP APPLICATION CARTRIDGE MASTERTECH TESTER 3 es Zo SAN DLC CABLE 12 GLOBAL OBD Il WITH TOOLPAK 2 0 HARDWARE REQUIRED In order to be fully functional the Global OBD II with Toolpak Application cartridge requires that special OBD II Interface Circuitry be used with the Mastertech and Tech 1 1A testers This circuitrv can be installed in the following configurations Mastertech The following procedure describes how to setup the Mastertech testerto test OBD Il compliant vehicles SETUP PROCEDURE 1 e rng Make sure the tester is OFF Insert the Global OBD Il with Toolpak application cartridge into the cartridge slot at the top of the OBD Il compliant Mastertech Be sure the vehicle ignition switch is off Remove anv adapters installed on the Data Link Connector DLC cable Connect the DLC cable to the tester and tighten the screws Connect the 16 14 Pin OBD Il Adapter Cable to the DLC cable Connect the OBD Il Adapter Cable to the vehicle DLC Turn the tester ON Power and ground are provided through th
28. 101 P0118 For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F2 DTCs from the SELECT MODE menu 2 Select F3 PENDING DTCs from the DTCs menu 3 Select the ECU from which you choose to monitor data for vehicles with multiple ECUs only The message WAITING FOR DATA is displayed followed by the PENDING DTCs information 4 16 GLOBAL OBD Il WITH TOOLPAK pres MODEF2 PENDING DTCs SUBMODE F3 ECU 10 P0100 A detailed description can be displayed for any Mass or Volume pending DTC by moving the next to the desired Air Flow Circuit code and pressing lili The lt lt is moved by Malfunction pressing the arrow keys ACTIVE KEVS Displavs description of the pending DTC Move marker Exits to SELECT MODE menu 417 GLOBAL OBD Il WITH TOOLPAK F3 SNAPSHOT SETUP The SNAPSHOT mode helps the user to isolate an intermittent or transient problem by storing data parameters before or after the problem occurs The information can be saved and used for a later replay or hard copy print option FO ANY DTC TRIGGER loi FI SINGLE DTCTRIG OR F2 MANUAL TRIGGER SELECT ECU Engine Speed 1052 RPM Ign Timing 18 5 F3 REPLAY SNAPSHOT 14 TRIGGER POINT F9 DATA SETUP FO ALL PARMS F1 CUSTOM LIST For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F3 SNAPSHOT from the SELECT MODE menu 2 Select any of t
29. 5 SYSTEM TEST from the SELECT MODE menu 2 Select FO O28 RESULTS from the SELECT TEST menu 3 Select the desired bank from SELECT BANK menu 4 Select the desired oxygen sensor from the BANK and SENSOR menu The message WAITING FOR DATA is displayed followed by the Oxygen Sensor data display If the tester displays the warning message indicating that the O28 MONITORING TEST RESULTS may not be valid the vehicle ECU is reporting that the O2S tests have not been completed or that the selected ECU does not monitor the O2S tests The status of the oxygen sensor tests can be monitored in F1 READINESS TEST MODE under the value of OXYGEN SENSOR MONITORING For some vehicles O2S test results may not be available until all readiness tests have been completed 4 24 GLOBAL OBD Il WITH TOOLPAK SVSTEM TEST MODE F5 02S RESULTS SUBMODE FO 02 SENSOR TEST MENU SELECT BANK FO 02S BANK 1 F1 O28 BANK 2 BANK 1 SENSOR F0 SENSOR 1 F1 SENSOR 2 O2S DATA DISPLAYS R gt L SwTim O 16 Secs LR SwTim 0 088 Secs The vehicle can provide O2S test results for up to 8 oxygen sensors When 02S RESULTS is selected the tester queries the ECU to deter mine which oxygen sensors are present It then displays a list of these sensors so that you can select which sensor s test results to examine To select a bank or sensor press the number listed on the left Refer to APPENDIX B OBD II OXY GEN SENSOR LOCATION INFORMATION for a discussio
30. ATA FOR MULTIPLE ECUs section FO DATA LIST F1 DATA SETUP FO SELECT ECU FO ALL ECUs Fn XX User selected ECU description n XX OPERATING PROCEDURE vehicles with multiple ECUs only 1 Select FO DATA LIST from the SELECT MODE menu 2 Select F1 DATA SETUP from the DATA LIST menu 3 Select FO SELECT ECU from the DATA LIST SETUP menu 4 Select FO ALL ECUs or Fn XX where n user selected and XX a description of the ECU from which you desire information 5 After selecting the desired ECU the user is returned to the DATA LIST SETUP menu where the displayed diagnostic data parameters can be selected or the user can exit the menu to the DATA LIST MENU where the selected data list will be displayed GLOBAL OBD Il WITH TOOLPAK THIS PAGE LEFT INTENTIONALLY BLANK GLOBAL OBD Il WITH TOOLPAK READINESS MODE F1 F1 READINESS The READINESS test mode allows vou to displav the status of the vehicle s on board monitors which monitor the operation of the emissions related components These READINESS tests must run in order for the DTC and test result displavs to accuratelv reflect the conditions of the vehicle s emissions related components If the vehicle vou are testing contains more than one OBD II ECU vou will be asked to select which ECU information vou would like displaved If the tester determines that the ECU has not Not All Vehicle completed all of the readiness tests it will display System Readine
31. Air Flow Air Flow Rate from Mass Air Flow MAF Sensor The UNIT CONVERSION function can be used to switch between gm sec and Ib min Magnet Malfunction Manifold Manifold Absolute Pressure E 10 MAP P MAT MFI MIL MIN mmHg MON MONIT MOP MPFI MPH MPI MPS MPU ms GLOBAL OBD Il WITH TOOLPAK Intake Manifold Absolute Pressure in units of pres sure The UNIT CONVERSION function can be used to switch between kPa inHg and mmHg Manifold Air Temperature Multiport Fuel Injection Malfunction Indicator Lamp Used to indicate that an emissions related fault has been detected by the ECU and a DTC has been set Typically the MIL stays illuminated while the fault is present and for 3 ignition cycles after the fault has gone away Generally if the vehicle s on board diagnosis has detected that the faultis not present for 3 consecu tive ignition cycles the MIL will be turned off Even though the MIL is off the DTC will still be present in the ECU s memory and can be read using the tester s DTCs function Minimum Millimeters of Mercury Monitor Monitor Metering Oil Pump Multi Port Fuel Injection Miles Per Hour Multi Port Fuel Injection Motor Position Sensor Micro Processing Unit An abbreviation for milliseconds A milli second is 1 1000th of a second E 11 GLOBAL OBD Il WITH TOOLPAK MSC MT MTR mV N A NEUT 02 02S O2S B1 S1 OBD OBDI OBD II Mass Storage Cartridge Manual Transmission Mo
32. BD II compliant vehicles GLOBAL OBD Il WITH TOOLPAK OBD Il SYSTEM AND VEHICLE INFORMATION MONITOR OPERATION The OBD Il system is capable of identifying the likely area of a malfunction within the electronic powertrain control system Observe the following before beginning diagnostic service MIL OPERATION When excessive tailpipe emissions or powertrain component failure are detected by the OBD II system the Malfunction Indicator Lamp MIL will illuminate LOW FUEL TANK LEVEL Automobile manufacturers may disable OBD Il monitors which can be affected by running the vehicle out of fuel example a monitor may become disabled when fuel tank volume is below 15 of maximum fuel tank capacity ALTITUDE Automobile manufacturers may disable OBD II monitors which can be affected by altitude example a monitor may become disabled when vehicle is operated above 8 000 feet elevation AMBIENT TEMPERATURE Automobile manufacturers may disable OBD Il monitors which can be affected by ambient temperature ex ample a monitor may become disabled when a vehicle is started below 20 F ambient POWER TAKE OFF UNIT Automobile manufacturers may disable OBD Il monitors which can be affected by power take off unit operation example a monitor may become disabled when a vehicle power take off is engaged or active All of the above are part of the California Air Resources Board OBD Il regulation and are options available to the automobile ma
33. CU calibration This is not a function of the tester GLOBAL OBD Il WITH TOOLPAK MODEF9 OBDIITOOLPAK SUBMODE F1 PARAMETERS SUBMODE FO DEFINITIONS FO DEFINITIONS The text descriptions of each diagnostic data parameter are available when the tester is connected to a vehicle and a live data list is displaved or during ashopor training review session and the tester is not connected to a vehicle OPERATING PROCEDURE Viewing on vehicle live data list 1 2 Set up and displav a data list using FO Data List Scroll through the Data List until the parameter for which vou want information is displayed Press Gi to select the top parameter or press Gio select the bottom parameter An asterisk will appear next to the selected parameter Press EU to display the first text screen for the selected parameter Press to advance through the text description screens Press to view the previous text description screen To select a different parameter press 341p to return to the Data List parameter pair screen Press the opposite function key used to select the previous parameter or GP to deselect the parameter The asterisk will disappear Scroll through the Data List until a parameter for which you want information is displayed Repeat Steps 2 and 3 Press E to return to the Data List parameter pair screen or Select Mode menu GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODEF9 PARAME
34. D Il WITH TOOLPAK TEMP THROT TICS TID TMP TP TPI TPS TPS TRAC TRANS Trip UART VAC VAF VDEIC VEH VICS Temperature Throttle Triple Induction Control System Test Identifier The TID is used by the 02S TEST RESULTS mode and by the NON CONTINUOUS ON BOARD TEST RESULTS mode to identify manufacturer specific tests The service manual for the vehicle under test should be used to inter pret the TID Temperature Throttle Position Tuned Port Injection Throttle Position Sensor Absolute Throttle Position Sensor in percent Traction Transmission Vehicle operation following a key off period which has at least one warm up cycle and one drive cycle Universal Asynchronous Receiver Transmitter A standard data encoding technique used exten sively for serial communication Vaccum Volume Air Flow Variable Dynamic Effect Intake Control Vehicle Variable Inertia Charging System E 18 VIN VLV VOLT VPW VRIS VSS VSV VTEC Warm up Cycle WOT GLOBAL OBD WITH TOOLPAK Vehicle Identification Number Valve Voltage Variable Pulse Width Modulation The method used to encode the data in the 10 4 Kbit sec version of the J1850 protocol Variable Resonance Induction System Vehicle Speed Sensor Vacuum Switching Valve Variable Timing Electronic Camshaft Engine coolant temperature increase by at least 40 F since start up that reaches a temperature of 160 F Wide Open Throttle E 19 G
35. K OBD Il TOOLPAK MODE F9 O2S INFORMATION SUBMODE F4 TYPE SUBMODE F1 F1 TYPE Mode F1 Type provides text based information about how the electronic powertrain control system utilizes heated upstream and downstream and non heated upstream and downstream oxygen sensors Information on sensor signal PCM use and heater operation is provided This mode can assist you in learning about the importance of an OBD Il system s oxygen sensor based on the types of O2Ss that are currently used on vehicles NOTE Use of this mode requires knowledge about the oxygen sensor type upstream downstream heated non heated for the current vehicle under test OPERATING PROCEDURE 1 Press a select OBD II TOOLPAK from the Select Mode menu 2 Press to select O2S Info from the OBD II Toolpak menu 3 Press a to select Type from the O2S Information menu The key help screen will be displayed Press or wait to advance 4 Press a to select upstream oxygen sensor or i to select down Stream oxygen sensor 5 Press Gi to select heated oxygen sensor or aij to select non heated oxygen sensor 6 Press to advance through the text description screens Press to back up through the text description screens These text screens contain oxygen sensor 028 signal information and O2S use informa tion for each sensor tvpe Using this information will help vour under standing of the OBD II system 7 Press IB to re
36. L OBD Il WITH TOOLPAK TECH1 SETUP DLC Cable AYA im TECH 1 14 12 Pin VIM EE P N 02001198 TECH 1 OBD II Vehicle Interface Module My P N 02001808 Application Cartridge VIM 16 24 Pin Adapter Cable P N 02001744 GLOBAL OBD Il WITH TOOLPAK TECH1 The following procedure describes how to setup the TECH 1 tester to test OBD Il compliant vehicles SETUP PROCEDURE 1 2 3 e 10 11 Insert the Global OBD Il with OBD II Toolpak application cartridge into the Master cartridge slot at the bottom rear of the tester Be sure the vehicle ignition switch is off Remove any adapters installed on the Data Link Connector DLC cable Connect the DLC cable to the tester and tighten the screws Connect the TECH 1 14 12 Pin VIM Adapter to the DLC cable Connect the TECH 1 OBD II Vehicle Interface Module VIM to the TECH 1 14 12 Pin VIM Adapter Connect the 16 24 Pin OBD Il Adapter Cable to the VIM Connect the OBD Il Adapter Cable to the vehicle DLC Connect the 12V power cable to the vehicle cigarette lighter Turn the vehicle ignition switch ON to begin diagnostics Refer to this manual and the application cartridge operator s manual for software operating instructions GLOBAL OBD Il WITH TOOLPAK PRINTING CAPABILITIES The Global OBD Il with Toolpak software supports printing data via a TECH 1 printer VP411 printer or other compatible serial printer connected to the tester I
37. LOBAL OBD Il WITH TOOLPAK THIS PAGE INTENTIONALLY LEFT BLANK
38. LT FT 1 and LT FT 2 define the cylinders that are grouped as a bank for fuel feedback correction Bank 1 is the bank which contains cylinder number 1 Expected values for this parameter are 10 0 warm engine at idle MAF R UNITS RANGE Ib min 0 to 86 gm s 0 to 655 Mass Air Flow MAF sensor is an input to the ECU and represents the amount of air that the engine is taking into the manifold displayed as a flow rate pounds per minute or grams per second MAF flow rate will increase with engine load and is typically 4 7 gm sec at idle or 17 20 gm sec at 2500 RPM warm engine Note that the R in parenthesis indicates the parameter is rate related MAP P UNITS RANGE kPa 0 to 255 inHg 0 to 75 Manifold Absolute Pressure MAP sensor is a measure of the pressure within the intake manifold relative to atmospheric pressure Depending on MAP sensor design a frequency or analog output signal can be generated by a MAP sensor for input to the vehicle ECU Atmospheric pressure equals the addition of manifold and vacuum pressures MAP pressure increases with engine load and depending on altitude is typically 40 kPa at idle warm engine at sea level Note that the P in parenthesis indicates the parameter is pressure related GLOBAL OBD Il WITH TOOLPAK MIL STATUS STATES OFF ON Malfunction Indicator Lamp MIL Status is an indication of the current MIL state If no emission related faults exist the MIL will be OFF If a DTC is s
39. NS GLOBAL OBD Il WITH TOOLPAK THIS PAGE INTENTIONALLY LEFT BLANK GLOBAL OBD Il WITH TOOLPAK A UNDERSTANDING OBD WHAT IS OBD II The California Air Resource Board CARB requires that by model year 1996 all vehicles sold in California under 8500 GVWR contain a certain minimum On Board Diagnostic capability to diagnose emis sions related failures of the engine control system These diagnostic requirements have been designated as OBD II On Board Diagnostics Phase II with a goal of monitoring all of the emissions related components on board the vehicle for proper operation CARB s intent with the OBD II program is to permit the State s Inspection and Maintenance Program to evolve into a check of the on board computer for the presence of Diagnostic Trouble Codes DTCs under the hood and tailpipe inspections would no longer be required CARB has left the task of defining the Standards and Recommended Practices needed to implement their OBD II requirements to the Society of Automotive Engineers SAE The SAE committees that define these documents are made up of worldwide representatives from the vehicle manufacturers tool manufacturers service industry and regulatory agen cies plus other related automotive disciplines The glossary in Appendix D contains a brief description of the SAE J documents which provide these definitions Part of the OBD II program is for the vehicle to provide a stand
40. ODE F1 TORQUE SPECIFICATION 4 54 SUBMODE F2 REMOVE AND REPLACE 4 55 5 0 DISPLAYING DATA FOR MULTIPLE ECUS cece ence eee ees 5 1 6 0 DIAGNOSTIC DATA PARAMETERS ees 6 1 7 0 APPENDICES APPENDIXA UNDERSTANDINGOBDI A 1 APPENDIX B OBD Il OXYGEN SENSOR LOCATION INFORMATION B 1 APPENDIX C DEFINITION OF CODE TYPE C 1 APPENDIXD IFYOU REHAVINGAPROBLEM D 1 APPENDIX E GLOSSARY OF TERMS ACRONYMS E 1 AND ABBREVIATIONS Copyright 1999 Vetronix Corporation Printed in USA 3 99 TECH 19 TECH 1A and Mastertech Manual P N 02002745 are registered trademarks of Vetronix Corporation GLOBAL OBD Il WITH TOOLPAK The following section defines available test modes hardware requirements and operating instructions for all OBD Il compliant vehicles All OBD Il functions except OBD II Toolpak require communication with the vehicle ECU s Once the necessary hardware has been installed communication between the tester and vehicle ECU s can be initialized 1 0 TEST MODES AVAILABLE The following test modes are available when testing vehicles that are OBD Il compliant FO Datalist FO Display Data F1 Data Setup F1 Readiness F2 DTCs FO Read DTCs F1 Freeze Data F2 Clear Info F3 Pending DTCs F3 Snapshot F4 OBD Controls FO Evap Leak F5 Svstem Tests FO
41. OLPAK from the Select Mode menu 2 Press G to select Readiness Test from the OBD Il Toolpak menu The key help screen will be displayed 3 Press or to move the cursor to the desired Readiness test 4 Press GM to display the first text screen for the selected Readiness Test Press to advance through the text description screens Press to view the previous text description screen 5 Press to return to the select monitor list or the OBD II Toolpak menu ACTIVE KEVS Scroll up and down Select monitor to view Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK MODE F9 OBD II TOOLPAK SUBMODE F4 02S INFORMATION F4 OXYGEN SENSOR INFORMATION On Board Diagnostic OBD and On Board Diagnostic generation OBD I system s oxygen sensor 02S has been a major component within an electronic powertrain control system In those systems the upstream ahead of catalytic converter 02S sensor is used to detect air fuel ratios ahead of the catalytic converter With OBD II the system now uses an additional oxygen sensorthat is placed downstream of the catalytic converter The addition of a downstream oxygen sensor enables the PCM to perform a catalytic converter efficiency test As a result of OBD II s downstream oxygen sensors vehicle equipment may include many oxygen sensors on a vehicle for example a vehicle with dual exhaust and two separate catalytic converters can have four O2 sensors Using F4 O2S
42. Printed in USA 3 99 Manual P N 02002745 GLOBAL OBD WITH TOOLPAK APPLICATION Operator s Manual 0 E 0 Vetronix Corporation Diagnostics for Vehicle Electronics GLOBAL OBD Il WITH TOOLPAK APPLICATION Operator s Manual SOME THINGS VOU SHOULD KNOW iNcaurion EXHAUST GAS When performing anv checks with the engine running in an enclosed space such as a garage be sure there is proper ventilation Never inhale exhaust gases thev contain carbon monoxide a colorless odorless extremelv dangerous gas which can cause unconsciousness or death caution To help avoid personal injury always set the parking brake securely and block the drive wheels before performing any checks or repairs on the vehicle DISCLAIMER The Mastertech Tech 1A and Tech 1 are designed for use by trained service personnel only They have been developed for the sole purpose of diagnos ing and repairing automotive electronic systems Every attempt has been made to provide complete and accurate technical information based on factory service information available at the time of publication However the right is reserved to make changes at any time without notice FCC COMPLIANCE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a com
43. S R amp R information menu The key help screen will be displayed Press or wait to advance 8 Press to advance through the text description screens Press to back up through the text description screens These text screens contain items to watch out for during oxygen sensor O2S installation into the vehicle exhaust pipe 9 Press Qp to return to previous menu ACTIVE KEVS Scroll up and down Select Remove O2S Info Select Replace O28 Info Select 02S Remove and Replace Info Select O2S Information Advance program from current screen Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK 5 0 DISPLAVING DATA FOR MULTIPLE ECUs In some vehicles OBD Il diagnostic information can be sent to the tester by more than one controller For example a vehicle mav have both an engine controller and a transmission controller which can provide emissions related diagnostic data using OBD Il communications If there are multiple OBD Il controllers the software will inform vou when establishing commu nication bv displaving a message indicating the ID for each ECU along with the tvpe of ECU The tvpe of ECU that is identified is determined bv SAE recommended practices and mav not be followed bv all vehicle manufactur ers 2 ECUs RESPONDED XX ENGINE XX TRANS SELECTING ECU Diagnostic parameter data can be selected from all ECUs or individual ECUs that the tester has identified Selection of an ECU before data
44. Scroll through displayed data parameters or for CUSTOM LIST SETUP SELECT or DESE LECT PARAMETERS Scroll through parameters in CUSTOM LIST Mark top displayed parameter as fixed for creating your own data pairs unlocks bottom parameter if fixed Mark bottom displayed parameter as fixed for creat ing your own data pairs unlocks top parameter if fixed Toggle the data descriptor line with the Parameter Identification PID number and the ECU number Toggle unit conversions for applicable parameters between English and metric Print data list if equipped with serial printer Return to DATA LIST MENU GLOBAL OBD Il WITH TOOLPAK 6 0 DIAGNOSTIC DATA PARAMETERS The following are the generic diagnostic data parameters defined bv the SAE for OBD II vehicles Not all parameters are displayed for all vehicles Prior to displaving data the tester queries the vehicle to determine which parameters are available for that vehicle AIR STATUS STATES UPSTRM DNSTRM ATM OFF RSRVD Air Status displays information about the OBD II svstem s commanded secondarv or auxiliarv air injection diverter valve position The possible states are diverting secondary air upstream of the first catalvtic converter UPSTRM downstream of the first catalytic converter DNSTRM or venting to the atmosphere ATM OFF RSRVD is applicable for future applications UNITS RANGE ECT 9 oF 40 to 419 C 40 to 215 Engine Cool
45. TERS SUBMODE F1 DEFINITIONS SUBMODE FO OPERATING PROCEDURE Not viewing on vehicle live data list 1 Press G to select OBD Il Toolpak 2 Press io select Parameters from the OBD Il Toolpak menu 3 Press ato select Definitions from the Parameters menu The key help screen will be displayed 4 Press or to move the cursor to the desired diagnostic data parameter 5 Press EMF to display the first text screen for the selected parameter Press to advance through the text description screens Press to view the previous text description screen 6 Press 3XI to return to the Parameter Definition list or the Parameters menu ACTIVE KEYS Select OBD II Toolpak 00 Scroll up and down G0 Select or deselect a parameter ENTER View parameter description EXIT Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK MODE F9 OBD TOOLPAK SUBMODE Fi PARAMETERS SUBMODEF RANGES F1 RANGES Common high and low values for each diagnostic data parameter are available when connected to a vehicle and viewing a live data list or during ashoportraining review session Current diagnostic data parameter values are available during connection to the vehicle powertrain system The common high and low values were obtained by collecting data from actual OBD Il certified I4 V6 and V8 powertrain systems operating with no faults detected OPERATING PROCEDURE 1 2 Press to select OBD I
46. TH TOOLPAK OBD Il COMMUNICATION PROTOCOLS One of the OBD II requirements is that the vehicle contain a standard serial communication link to off board test equipment This standard communi cation link turns out to be four separate links two defined by the SAE and two defined by ISO J1850 10 4K VPW Protocol Uses a single wire 7 voltbus communicating at 10 400 bits second using Variable Pulse Width VPW data encoding J1850 41 6K PWM Protocol Uses a two wire 5 volt bus communicating at 41 600 bits second using Pulse Width Modulation PWM data encoding ISO 9141 2 Protocol Uses a single wire 12 volt bus communicating at 10 400 bits second using UART data encoding Keyword Protocol 2000 New European communication protocol ISO 14230 4 using same UART data encoding as the ISO 9141 2 protocol A vehicle manufacturer can satisfy the OBD Il requirements by implementing any one of the four protocols The OBD II Scan Tool must provide support for all four protocols in order to allow it to communicate with all OBD Il vehicles A 4 GLOBAL OBD Il WITH TOOLPAK B OBD Il OXYGEN SENSOR LOCATION INFORMATION OBD Il compliant engine management systems use a new naming conven tion for oxygen sensors 028 The need for this sensor convention was required because of the OBD Il system s use of a downstream O2S O2S location information is divided into cylinder bank and 02S location Bank 1 contains the sensor that is downstream from
47. a 00 Move marker EXIT Return to SVSTEM TESTS menu GLOBAL OBD Il WITH TOOLPAK MODE F8 INFORMATION SUBMODE FO VIN F8 INFORMATION The INFORMATION mode is used to enable the user to request vehicle specific information from the vehicle ECU such as VIN Software Calibration ID or Software Verification Number If the vehicle PCM does not support vehicle PCM information the tester will display No Vehicle Info Supported when the INFORMATION mode is selected FO VIN The VIN selection allows the user to electronically read the Vehicle Identi fication Number that is stored in the vehicle s ECU The VIN is used to uniquely identify the vehicle This mode is only selectable when it is supported by the vehicle ECU F8 INFORMATION FO VIN VIN XXXXXXXXXX XXXXXXX ENTER OPERATING PROCEDURE 1 Select F8 INFORMATION from the SELECT MODE menu 2 Select FO VIN from the SELECT TYPE menu 3 Press GAD or G to return to the INFORMATION menu GLOBAL OBD Il WITH TOOLPAK INFORMATION MODE F8 S W CALIB ID SUBMODE F1 F1 S W CALIB ID The S W CALIBRATION ID selection is used for identification ofthe software calibration contained within the vehicle ECU Each software calibration ID uniquely identifies the software installed in the ECU Multiple calibration IDs may be reported for a ECU depending on software architecture A calibration ID number will have at least one unique software verification number
48. alve AT Automatic Transmission ATF Automatic Transmisssion Fluid GLOBAL OBD Il WITH TOOLPAK ATM AUX B BAC BARO BLK BLM BTDC CA CAL CAN CARB CARB cc cc CCP C E CEL CH Atmospheric Pressure Auxiliary Battery Plus Voltage Bypass Air Control Barometric Pressure Atmospheric Pressure Block or Black Block Learn Before Top Dead Center California Calibration Canada Carburator The California Air Resource Board CARB is the regulatory agency which specifies vehicle emis sions standards and testing programs OBD II is CARB s latest program for on board and off board test requirements for new vehicles Carter Carburator Cruise Control Charcoal Canister Purge Check Engine Check Engine Lamp Chamber E 2 CID CK CKP CKT CL CLCC CL Fault CMP CNTRL COM COMM CONT CONTR CONV CTL CYL GLOBAL OBD Il WITH TOOLPAK Component Identifier Used in the NON CONTINUOUS TEST RESULTS mode of the ON BOARD TESTS function to specify the component for which the test results are being reported Refer to the service manual for the ve hicle under test for a definition of the CIDs Crankshaft Crankshaft Position Circut Clearance Light Closed Loop Carburator Control Closed Loop with fault for FUEL STATUS param eter Used to indicate that the fuel system is operating closed loop even though a fault with at least one oxygen sensor has been detected The ECU
49. ant Temperature ECT is an analog input to the ECU This parameter provides a temperature indication of engine coolantnearthe ECT sensor ECT sensors can be located in the intake manifold cvlinder head or water pump housing Typical ECT is 200 F warm engine at idle Note that the in parenthesis indicates the parameter is temperature related ENGINE LOAD UNITS Oo RANGE 0 to 100 Engine Load is derived by the ECU from a measure of current engine airflow divided by engine peak airflow Engine Load directly increases with throttle angle and drive conditions and is an indicator of percent engine capacity in any given operating mode Engine Load is typically 5 at engine idle and 80 or greater during Wide Open Throttle warm engine 6 1 GLOBAL OBD Il WITH TOOLPAK ENGINE SPEED UNITS RANGE RPM 0 to 8000 Engine Speed is an indication of crankshaft revolutions per minute The ECU uses input engine speed to make determinations about current engine operating conditions and the operation of various engine management System output components FT O2S B1 S1 FT O2S B2 S1 UNITS RANGE FT O2S B1 S2 FT O2S B2 S2 100 to 100 FT 02S B1 S3 FT 02S B2 S3 gt FT 02S B1 S4 FT 02S B2 S4 Fuel Trim Oxygen Sensor FT 02S Bx Sx represents the short term correction to fuel injection that mav be adoptedby the ECU In this case oxygen sensor fuel trim represents the ECU s determination of exhaust gas oxygen content and relates the data to a sh
50. ard interface for off board diagnostic test equipment This standard interface includes a standard test connector referred to as the J1962 connector a standard communication protocol SAE J1850 or ISO 9141 2 and a standard set of diagnostic test modes defined by SAE J1979 In addition to defining the California mandated emissions testing require ments OBD II satisfies the EPA s federal OBD testing requirements through 1998 Therefore equipment used to access the vehicle s OBD II data can also be used to test vehicles under the federal OBD requirements which are in the process of being implemented in some states GLOBAL OBD Il WITH TOOLPAK OBD Il SCAN TOOL Partofthe intent of CARB s OBD Il program is that a single diagnostic tester can be used to read the diagnostic information from any OBD Il compliant vehicle A tester which satisfies this requirement can be designated as an OBD II Scan Tool and is defined by the SAE document J1978 One of the requirements of the OBD Il Scan Tool is that it has to work with any OBD Il compliant vehicle and be able to automaticallv determine all information required to communicate with the vehicle The operator does not enter anv vehicle specific information such as the vehicle manufacturer model vear or engine The OBD Il Scan Tool determines what protocol the vehicle uses what diagnostic parameters can be read from the vehicle and whattests are supported by the vehicle The SAE Recommended Pra
51. ctice J1978 defines the basic requirements for an OBD Il Scan Tool SAE Recommended Practice J1979 defines the test modes used by both the vehicle and the OBD Il Scan Tool to access vehicle information and functions The following test modes are required for a basic OBD Il Scan Tool Display Current Diagnostic Data Parameters J1979 Mode 1 Display Diagnostic Trouble Codes DTCs J1979 Mode 3 Display Freeze Frame Data captured by the vehicle along with a DTC J1979 Mode 2 Clear DTCs Freeze Frame Data and any other diagnostic information from the on board controllers memory J1979 Mode 4 e Display results of Oxygen Sensor Monitoring Tests J1979 Mode 5 Display results of on board monitoring tests both Continuous and Non Continuous J1979 Modes 6 and 7 Display status of the vehicle s on board Readiness Tests A 2 GLOBAL OBD Il WITH TOOLPAK In addition to these required OBD Il Scan Tool functions the Vetronix testers provide a number of enhancements to the basic OBD Il diagnostic functions e Road test support through the capture of sequences of data parameters Snapshot mode User selectable parameter list allowing the user to trade off update rate for amount of data Print data parameters Displays results for control of on board system test or component 41979 Mode 8 Displays vehicle specific information such as VIN and calibration numbers J1979 Mode 9 GLOBAL OBD Il WI
52. dicate that the fuel system is operating open loop due to such driving conditions as power enrichment or deceleration enleanment Open Loop due to fault condition for FUEL STATUS parameter Used to indicate that the fuel system is operating open loop due to a detected system fault A test mode where the results of the on board tests are reported for tests which are run on non continuously monitored systems These tests are manufacturer specific and are reported for manu facturer assigned test IDs TIDs and component IDs CIDs Test values are reported by the ECU along with minimum and or maximum acceptable limits for the test The tester displays the PASS FAIL status for each TID CID combination This test mode is not supported by all vehicles E 13 GLOBAL OBD Il WITH TOOLPAK P B P N PCM PCM PCS Pending DTCs PFI PID PMP POS POTEN PRC PREP PRESS PRNDL PROM PS SV Passive Belt Park or Neutral Power Control Module Powertrain Control Module The module which controls vehicle engine and transmission opera tion and communicates diagnostic data informa tion to the technician Pressure Control Solenoid Atest mode where the results are reported fortests which are run on continuously monitored systems These test results are reported the same way DTCs are reported using code designations of the form Pxxxx These test results can indicate a condition which could cause a DTC to be set if the conditio
53. e DLC connector so connecting the 12V power cable to the vehicle is not required Turn the vehicle ignition switch ON to begin diagnostics Refer to this manual and the application cartridge operator s manual for software operating instructions 24 GLOBAL OBD Il WITH TOOLPAK TECH 1A SETUP OBD Il Interface Cartridge P N 02002178 DLC Cable Application Ve Cartridge 16 14 Pin OBD II Adapter Cable P N 02001969 GLOBAL OBD Il WITH TOOLPAK TECH 1A The following procedure describes how to setup the TECH 1A tester to test OBD II compliant vehicles SETUP PROCEDURE 1 2 9 NEN Insert the OBD Il Interface Cartridge into the Auxiliarv cartridge slot at the top rear of the tester Insert the Global OBD Il with Toolpak application cartridge into the Master cartridge slot at the bottom rear of the tester Be sure the vehicle ignition switch is off Remove any adapters installed on the Data Link Connector DLC cable Connect the DLC cable to the tester and tighten the screws Connect the 16 14 Pin OBD Il Adapter Cable to the DLC cable Connect the OBD Il Adapter Cable to the vehicle DLC Power and ground are provided through the DLC connector so con necting the 12V power cable to the vehicle is not required Turn the vehicle ignition switch ON to begin diagnostics Refer to this manual and the application cartridge operators manual for software operating instructions GLOBA
54. e Global OBD Il Software the communication problem may be a vehicle software problem If communication problems occur refer to the service manual or Technical Service Bulletin information published by the manufacturer for the vehicle being tested Communication problems between the tester and vehicle will not cause incorrect electronic powertrain operation GLOBAL OBD Il WITH TOOLPAK GLOBAL OBD Il WITH TOOLPAK SOFTWARE FUNCTIONS The Global OBD Il with Toolpak Software performs the following functions e Automatic determination of the communication protocol Display of the Readiness Tests status Display of the vehicle s Current Data parameters Display of Freeze Frame Data saved by the controller Display of Diagnostic Trouble Codes saved by the controller Clearing Emission Related Diagnostic Information DTCs Freeze Data and Readiness Test Status Display of O2 Sensor Test Results Display of Pending Diagnostic Trouble Codes DTCs saved by the controller Display of test results for non continuously monitored systems Display of Vehicle Identification Number VIN stored by the vehicle controller Display of software calibration identification number contained within the vehicle ECU Display of software verification number within the vehicle ECU software Enable conditions required to conduct an evaporation system leak test e Provides useful information to help diagnose and troubleshoot O
55. e OBD II system OPERATING PROCEDURE 1 Press a to select OBD Il TOOLPAK from the Select Mode menu 2 Press B to select Diagnostics from the OBD II Toolpak menu 3 Press Gp to select Procedure from the Diagnostics menu First time users to ensure proper operation this mode is best reviewed before actual testing on the vehicle is performed Priorto the testing it will be to your advantage to know the answers to the following ls the MIL on Are DTCs present If so record the DTC numbers Is the fuel tank cap installed and is it tight 3 clicks ls the fuel tank level greater than 15 of total volume 4 Press GB GO or Dl to review and answer the prompts displayed on the screen and to read any key help screens that may be displayed for navigation help GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK DIAGNOSTICS ET FO PROCEDURE SUBMODE F1 5 Press AI to return to the previous question or test menu ACTIVE KEYS Scroll up and down QG Answer question or query Advance to the next menu EXIT Exit to the previous question or test menu GLOBAL OBD Il WITH TOOLPAK MODEF9 OBDII TOOLPAK SUBMODE FO DIAGNOSTICS SUBMODE F9 REPAIR VERIFICATION F9 REPAIR VERIFICATION After repairs are made to a vehicle powertrain system the status of system DTC s and monitor tests should be checked Using this submode will help determine the effectiveness of repairs just completed to the system using
56. e calibration number and may therefore not respond to the request GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 F9 OBD Il TOOLPAK The OBD II Toolpak is used to help diagnose and troubleshoot OBD Il compliant powertrain control systems Using the OBD Il Toolpak mode provides you with pertinent text and data so you can learn about and more efficiently diagnose the vehicle under test Examples of data features contained within the program are Vehicle preparation Diagnostic procedures Repair verification Diagnostic data parameter descriptions Diagnostic data parameter common values Diagnostic Trouble Code DTC Library Readiness Test description Oxygen sensor location information Oxygen sensor type information Oxygen sensor maintenance information When using this application cartridge on 1994 to current OBD Il compliant PCM vehicles the cartridge will display diagnostic data parameters based on Society of Automotive Engineers SAE recommended practice J1979 Additionally the basic functions contained within this cartridge are required by California Air Resources Board California ARB as part of the On Board Diagnostics level Il OBD II GLOBAL OBD Il WITH TOOLPAK THIS PAGE INTENTIONALLY LEFT BLANK GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 SELECTING OBD Il TOOLPAK MODE The OBD II Toolpak functions can be entered in two ways from the main menu or from the Select Mode menu FROM THE OBD Il MENU Ent
57. ehicle s emissions related components Recirculation Reference Regulator Right Front E 15 GLOBAL OBD Il WITH TOOLPAK R amp R RR RS232 RST RT SIR SAE SAE SCNDRY SDL SEC SENS SEQ SFI SHFT SHT SIG SIR SMPFI Snapshot Remove and Replace Right Rear Standard Serial Communications interface Reset Right Single Range Society of Automotive Engineers Society of Automotive Engineers The organiza tion which controls most of the documents defining the interface between the vehicle s OBD Il control lers and off board test equipment Secondary Serial Data Link Secondary Sensor Sequential Sequential Fuel Injection Shift Short Signal Supplemental Inflatable Restraint Sequential Multi Port Fuel Injection The SNAPSHOT mode is used to capture data over a period of time It can be used to support road testing as well as testing in the service bay E 16 SNSR SOHC SOL SPD SPEC SPI SPV SRV S T STEP STFTI SW SYS TAMAX TBI TC TCC TCM TCS TDC TDCL GLOBAL OBD Il WITH TOOLPAK Sensor Single Overhead Cam Solenoid Speed Specification Single Port Fuel Injection Solenoid Purge Valve Service Short Term Stepper Short Term Fuel Trim for Bank 1 Switch System Throttle Angle Maximum Throttle Body Fuel Injection Traction Control Torque Converter Clutch Transmission Control Module Traction Control System Top Dead Center Toyota Diagnostic Communication Link E 17 GLOBAL OB
58. elect mode menu Ifthe tester is not connected to an OBD Il system and F9 OBD Il Toolpak has not been selected from the select mode menu only the common high and low values are displayed 9 Common high hi and low lo parameter values for the data condition are displayed on lines 3 and 4 common hi and lo values were obtained from actual vehicle powertrain systems with OBD II certified systems 10 Press p to return to the parameter list or Parameters menu ACTIVE KEYS Q Scroll up and down ENTER Select parameter to view amp 673 Toggle display EXIT Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK MODE FO OBDIITOOLPAK SUBMODE F2 DTC LIBRARY F2 DTC LIBRARY An OBD II ECU is capable of setting a DTC which indicates the failed circuit or component In some cases reading DTCs from the ECU may reveal multiple stored DTCs However the ECU is programmed to potentially store several hundred DTC s F2 DTC Librarv enables vou to obtain text description information for each powertrain DTC available for displav The DTC Librarv consists of a combination of DTCs defined by the manufacturer specifically for the vehicle under test and DTCs defined by the Society of Automotive Engineers SAE For any DTC number that is not defined by the manufacturer of the vehicle under test a description defined by Society of Automotive Engineers SAE recommended practice J2012 will be displayed A specific DTC may be
59. emperature its value may remain at 0 450v Associated with the OBD Il system and the parameter label are Bx and Sx Bx refers to Bank 1 or 2 and Sx refers to the sensor in positions 1 2 3 or 4 Refer to APPENDIX B OBD Il OXYGEN SENSOR LOCATION INFORMATION for a more complete de scription of the O2S naming convention ST FT 1 UNITS RANGE STFT2 100 to 100 Short Term Fuel Trim ST FT is the measure of adaptive or feedback fuel correction strategy for the injection of fuel into the engine Short Term Fuel Trim represents the ECU s dynamic short term adjustment to fuel strategy determined from a lookup table in its memory This parameter is continually changing over time at a rate faster than Long Term Fuel Trim and varies with engine design and engine operating conditions The numeric character in ST FT 1 and ST FT 2 defines the cylinders that are grouped as a bank for fuel feedback correction Bank 1 is the bank which contains cylinder number 1 Expected values for this parameter can be 2 0 warm engine at idle GLOBAL OBD Il WITH TOOLPAK STORED DTCS UNITS RANGE Stored DTCs is the number of emission related diagnostic trouble codes DTCs that have been stored in the reporting ECU For OBD Il systems there can be multiple OBD Il compliant ECUs Also more than one ECU can report more than one stored DTC Therefore the number of stored DTCs refers to the ECU whose data is currently being displayed Remember also that
60. en Loop or Closed Loop using feedback from one or more oxvgen sensors Function Fixed Spark Mode Microcomputer tvpe used in High Speed ECMs Ground E 6 HA HAC HC Hexadecimal HF HO2S HTD HTR HVAC IAC IAT IAT 7 GLOBAL OBD Il WITH TOOLPAK High Altitude High Altitude Control Hitachi Carburator A number svstem used bv computers consisting of 16 digits Hexadecimal numbers are represented by the digits 0 through 9 plus A through F representing values of 10 through 15 On the tester and in this manual hexadecimal numbers are preceded with a e g C4 7F or 41 High Fuel Heated Oxvgen Sensor Heated Heater Heating Ventilation and Air Conditioning Idle Air Control Intake Air Temperature or Intake Air Thermosensor Intake Air Temperature in degrees The UNIT CONVERSION function can be used to switch between F and C Identification GLOBAL OBD Il WITH TOOLPAK IDL IG IGN IM240 INJ INT ISC ISO ISO 9141 ISO 9141 2 J1850 J1930 Idle Ignition Ignition IM240 is an enhanced inspection and maintenance test program legislated by the U S Environmental Protection Agency EPA to meet federal clean air standards Injector Intake Idle Speed Control International Organization for Standardization The European organization which controls the ISO 9141 documents applicable to OBD II A European document defining a class of commu nications between veh
61. entered individually or you can scroll through the entire DTC list OPERATING PROCEDURE 1 Press G to select OBD Il TOOLPAK from the Select Mode menu 2 Press to select DTC Library from the OBD II Toolpak menu The key help screen will be displayed 3 Use the tester keys to enter the four digit number of the DTC for which information is desired 4 Press GMJ to display the DTC number and text description Use or 9 to scroll through the DTC list Holding the or key causes continuous scrolling A text description of the code will be displayed 5 Press Qp to return to the enter DTC number screen or the OBD II Toolpak menu ACTIVE KEYS Scroll up and down Enter DTC Number View DTC description Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 READINESS INFORMATION SUBMODE F3 F3 READINESS INFORMATION Readiness Tests represent a segment of new legislated diagnostic infor mation that can be displayed by the tester A Readiness Test is a specific test that the ECU performs When the ECU runs a Readiness Test it tests the particular portion of the electronic powertrain control svstem Catalvst O2S Sensor etc for the respective monitor Readiness Tests can reveal the status of the system and it is recommended that service technicians become familiar with Readiness Tests when working on OBD Il compliant systems OPERATING PROCEDURE 1 Press G to select OBD II TO
62. ering F9 OBD Il Toolpak from the main menu is available any time power is applied to the tester FROM THE SELECT MODE MENU Entering F9 OBD Il Toolpak from the Select Mode menu is only available after communication with the OBD Il compliant vehicle has been initialized 2 FO MAINT MENU initialized with F0 Powertrain IMA e c we F1 Replay Data vehicle F9 OBD Il Toolpak No OBD II communica tions with vehicle SELECT MODE A Y F8 Information F9 OBD Il Toolpak OBD II TOOLPAK A y F0 Diagnostics F1 Parameters F2 DTC Library OBD II TOOLPAK Y F3 Monitor Info F4 O2S Info GLOBAL OBD Il WITH TOOLPAK THIS PAGE INTENTIONALLY LEFT BLANK GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 DIAGNOSTICS SUBMODE FO PREP VEHICLE SUBMODE FO FO DIAGNOSTICS The FO Diagnostics mode provides the following information How to prepare a vehicle powertrain system for testing How to perform a diagnostic approach using each of the software modes on OBD Il compliant vehicles How to verify a repair using the modes is contained in the FO Diagnostics mode F0 PREP VEHICLE The Prep Vehicle mode is used to properly prepare the vehicle powertrain for diagnostic procedures Following the instructions in this mode will ensure that the vehicle system is preconditioned and ready for diagnostic testing OPERATING PROCEDURE 1 Press to select OBD Il TOOLPAK from the Select Mode menu
63. f you are using a TECH 1 tester refer to the RS232 Operator s Manual for setup and printing instructions If you are using a TECH 1A or MASTERTECH tester refer to the tester Operator s Manual for setup and printing instructions Two types of printing are supported by the OBD II software Pressing the G key in a DATA DISPLAY mode e g DATA LIST or READINESS TEST causes the tester to print a list of data appropriate to the mode alist of diagnostic data parameters or Readiness Test Status The tester can be setup to print an image of the tester s screen referred to as SCREEN PRINT For information on the VP411 serial printer contact your sales representa tive GLOBAL OBD Il WITH TOOLPAK 3 0 GETTING STARTED POWERING THE MASTERTECH TECH 1A OR TECH 1 The tester must be provided with an external power source e g vehicle power oran AC DC power supply OBD Il compliant vehicles provide power at the Data Link Connector DLC so when using a MASTERTECH or TECH 1A the tester only needs to be connected to the vehicle DLC With the TECH 1 you must connect the DC Power Cable to the vehicle cigarette lighter or to an AC DC power supply ESTABLISHING COMMUNICATION Main Menu By selecting Global OBD Il with Toolpak you are F0 Powertrain now at the Main Menu from which you can F1 Replay Data initialize communications by selecting FO F9 OBD Il Toolpak Powertrain replay snapshot without vehicle com munication by selecting F1
64. he available trigger types from SNAPSHOT MENU 3 Data from only one ECU can be saved in tester memory Therefore if multiple ECUs are detected you will be asked to select one of the ECUs 4 To choose which snapshot parameters are displayed press to select DATA SETUP from the SNAPSHOT MENU After selecting F9 DATA SETUP referto FO ALL PARMS and F1 CUSTOM LIST PARAMETERS in the DATA LIST section for displaying all parameters or selecting a custom list of parameters 4 18 GLOBAL OBD Il WITH TOOLPAK SNAPSHOT MODE F3 TRIGGER POINT SUBMODE F4 TRIGGER TYPES In the SNAPSHOT mode data is saved in the tester while it is waiting for a trigger condition Once the trigger occurs data continues to be saved in the tester s memory until the memory is full SNAPSHOT MENU allows the user to start the snapshot process by selecting a trigger mode Three types of triggers can be selected TRIGGER TYPES KEYPRESS DESCRIPTION F0 ANY DTC Snapshot trigger on the occurrence of any DTC F1 SINGLE DTC Snapshot trigger on the occurrence of a single DTC that you specify F2 MANUAL TRIG Snapshot trigger by an iii Gi or G key press TRIGGER POINT SETUP The snapshot menu allows you to select how much data is saved aftertrigger occurs by select e AY ing F4 TRIG POINT from the SNAPSHOT F1 CH 3 MENU screen To change the trigger point se F2 End lectthe key nextto the desired point This trigger point is saved as long as
65. icle ECUs and off board test equipment ISO 9141 provides the basis for a large number of different communications protocols Most ofthese protocols are specific to various equipment or vehicle manufacturers The title of this document is Road Vehicles Diagnostic Systems Require ments for Interchange of Digital Information A European document defining an ISO 9141 proto col to be used for support of CARB OBD Il diagnos tics The title of this document is Road Vehicles Diagnostic Systems Part 2 CARB Requirements for Interchange of Digital Information SAE Standard defining protocols which are used for OBD II communications Two versions of this protocol are used for OBD Il the 10 4 Kbits sec VPW protocol and the 41 6 Kbits sec PWM proto col The title of this document is Class B Data Communication Network Interface SAE Recommended Practice defining standard terminology to be used for support of OBD Il testing The title of this document is Electrical Electronic Systems Diagnostic Terms Definitions Abbrevia tions and Acronyms E 8 J1962 J1978 J1979 J2012 J2190 GLOBAL OBD Il WITH TOOLPAK SAE Recommended Practice defining the industrv standard connector used for OBD II This connector contains 16 pins 7 which are de fined bv the SAE and 9 which are available for manufacturer specific uses The title of this docu ment is Diagnostic Connector SAE Recommended Practice defining
66. l TOOLPAK from the Select Mode menu Press to select Parameters from the OBD II Toolpak menu Press a to select Ranges from the Parameters menu The key help screen will be displayed Press 69 or GUD to advance through the text description screens These text screens indicate that the displayed common high and low values are from actual OBD II certified systems Press or BB to move the cursor to the desired data parameter Press 3i to display the first data condition screen for the selected parameter The data condition screen displays the condition for which the hi lo data is valid The data condition and parameter name will toggle on the first display line The or Qe keys can be used to toggle between the data condition and the parameter name Press or to advance through the data conditions As before The data condition and parameter name will toggle on the first display line The or OD keys can be used to toggle between the data condition and the parameter name The data conditions are listed in the following chart GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK MODE F9 kev on engine running in drive KOER DRV WOT wide open throttle acceleration kev on engine running in drive KOER DRV CTD closed throttle deceleration 8 The actual value for the current parameter is displaved on line 2 ONLV if the tester is connected to an OBD Il system and F9 OBD Il Toolpak is selected from the s
67. l not allow DTCs to be cleared 10 while the engine is running In this case the Did Not Respond tester will display a prompt screen to turn off the engine leaving the key in the ON position For some vehicles communication may be lost when the key is turned off and then back on If a COMMUNICATION ERROR screenis displayed Try Again With exit back to the MAIN MENU and re select Ignition ON And Powertrain You should now be able to clear the Eng NOT Running i EXIT diagnostic information ACTIVE KEYS YES Clears all emissions related information Ge Gap Return to SELECT MODE menu 415 GLOBAL OBD Il WITH TOOLPAK MODF2 DTCs SUBMODE F3 PENDING DTCs F3 PENDING DTCs For PENDING DTCs mode the vehicle s controller performs analysis similar to that used to determine if the equivalent DTC is present but with less stringent requirements For example a DTC may require a condition to be present for several drive cycles while the equivalent pending DTCs may be set with the first occurrence of the condition Results of the PENDING DTCs request are displayed in a manner similar to the DTC display mode They are displayed with the same Pxxxx DTC designations and the same descriptors as the DTCs If the vehicle you are testing contains more than one OBD Il ECU you are asked to select which ECU information you would like displayed F3 PENDING DTCs SELECT ECU ECU 10 DTCs 4 P0100 P0122 P0
68. liant daughter board inside the Mastertech IMPORTANT The OBD Il Interface Cartridge will not work with a TECH 1 An error message OBD Il INTERFACE CIRCUITRY NOT INSTALLED will be displayed if you attempt to use the OBD Il Interface Cartridge with a TECH 1 GLOBAL OBD Il WITH TOOLPAK 2 TESTER is Unable to Communicate with the Vehicle Check Cable Possible Causes Cable ON Does Vehicle Support OBD II a Vehicle s ignition is off b Diagnostic cable is not plugged into vehicle s diagnostic connector c Vehicle is not OBD Il compatible Recommendations Verify that the vehicle s ignition is on Verify that cable is plugged into vehicle s diagnostic connector e Check underhood decal for OBD ll certification 3 TESTER Loses Communication with the Vehicle LOSS OF VEHICLE Possible Causes COMMUNICATIONS a Vehicle s ignition was turned off b Diagnostic cable came loose from vehicle s diagnostic connector c Vehicle failed to respond to query from tester Recommendations Verify that the vehicle s ignition is on Verify that cable is plugged into vehicle s diagnostic connector Turn tester and vehicle s ignition off Then turn ignition to on followed by turning on the tester and attempting to reestablish communication Some vehicles fail to respond properly to tester queries for certain tests This is particularly true with oxygen sensor tests if all readiness tests have notbeen co
69. may be using a single oxygen sensor for fuel control Camshaft Position Control Communication Communication Control Control Converter Control Cylinder E 3 GLOBAL OBD Il WITH TOOLPAK Data List DECEL DEF DEG DI DIFF DIC DLC DLC DOHC Drive Cycle DTC DUR ECM ECT ECT ECU ECU The DATA LIST mode is used to examine the state of the current diagnostic data parameters SAE J1979 mode 1 Deceleration Defroster Degree Distributor Ignition ignition systems with a distributor Differential Diagnostic Jumper Connector The Data Link Connector provides the link between the tester and the vehicle Diagnostic Link Connector Double Overhead Cam A single key on to key off cycle where the engine has been started then shut down Diagnostic Trouble Codes DTCs indicate fault conditions found by the vehicle s on board control ler while it is monitoring the vehicle s operation Refer to discussion of Pxxxx Duration Engine Control Module Engine Coolant Temperature Engine Coolant Temperature in degrees The UNIT CONVERSION function can be used to switch between F and C Electronic Control Unit The module which performs the OBD II testing and communi cates with the OBD Il Scan Tool Engine or Electronic Control Unit E 4 EFE EFFI EFI EGR EGRT EL ENG ESC EVAP EVRV F T FAIL FB FCC FDBK FI F I C D FLD FNT FP GLOBAL OBD Il WITH TOOLPAK
70. mercial environment This equip ment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Copyright 1999 Vetronix Corporation Printed in USA 3 99 TECH 19 TECH 1A and Mastertech Manual P N 02002745 are registered trademarks of Vetronix Corporation GLOBAL OBD Il WITH TOOLPAK INTRODUCTION This document provides a basic description of the Global OBD Il Software This software is contained on the Application Cartridge and performs the basic functions required bv the California Air Resource Board CARB as part of the On Board Diagnostics Phase II OBD II OBD Il IMPLEMENTATION The OBD Il system was implemented on some production vehicles in early 1994 even though automobile manufacturers were required to meet the OBD Il regulation for all vehicles sold in California by 1996 Because oftheir early adaptation 1994 95 vehicles equipped with the OBD II system pre 1996 were given exemptions by the California Air Resources Board These exemptions gave automobile manufacturers the opportunity to implement certain OBD II modes for 1994 95 When performing diagnostics on 1994 95 vehicles and communication problems occur when using th
71. mpleted If possible drive the vehicle to complete the readiness tests and then rerun the tests D 2 GLOBAL OBD Il WITH TOOLPAK 4 Parameter Update Rate is Slow Possible Cause e A slow update rate is characteristic of OBD Il communications A typical update rate is approximatelv 125 to 150 ms per parameter 7 or 8 updates per second for a single parameter Therefore a tvpical list of 20 parameters will only be updated approximately every 3 seconds Recommendation e If a faster update rate is needed select fewer parameters using the CUSTOM LIST function Select only the parameters needed for a test For example you can look at just an oxygen sensor signal and get an update of 7 or 8 times a second 5 Not All Parameters Displayed Possible Cause The vehicle is not reporting all of the parameters The Asian Imports software queries the vehicle s ECU to determine what parameters are supported by the ECU on OBD II compliant vehicles The tester then creates a data list based on these parameters If the vehicle contains a particular sensor but does not tell the TESTER that it supports that parameter e g a downstream oxygen sensor the software will not display that parameter Recommendation Diagnosis must be performed based on other diagnostic data or procedures D 3 GLOBAL OBD Il WITH TOOLPAK 6 Tester Displays TEST RESULTS Message No On Board test Possible Cause Results e This mode is not supported by
72. n of oxygen sensor locations If there is no response to the query the tester displays awarning message indicating that the O2S Test results may not be supported Once the sensor has been selected the tester determines which O2 sensor data parameters are available for display It then displays data for each of the parameters The parameters vary depending onthe vehicle manu facturer Only parameters which are supported by the vehicle ECU are displayed GLOBAL OBD Il WITH TOOLPAK MODE F5 SYSTEM TEST SUBMODE FO 02S RESULTS The OXYGEN SENSOR MONITORING TEST RESULTS are reported as constants programmed in the vehicle ECU or calculated values by the vehicle ECU Refer to the table below for programmed and calculated data parameters 05 06 07 08 Calculate Calculate Calculate Calculate Calculate NOTE Parameter IDs greater than 9 are manufacturer specific andare therefore defined only by an ID preceded by a e g 70 and 71 for Chrysler O2S test results You should refer to the vehicle s service manual to determine how to interpret these parameters GLOBAL OBD Il WITH TOOLPAK SVSTEM TEST MODE F5 02S RESULTS SUBMODE FO ADDITIONAL 02S INFORMATION TID 05 Val 29 Pressing while the 025 RESULTS data is Min 0A Max 32 being displayed will cause the tester to display TID 06 Val 16 additional information about the displayed pa Min 0A Max 32 rameters The tester displays the Test ID number TID al
73. n persists This test mode is not supported by all vehicles Port Fuel Injection Parameter Identifier PIDs are hexadecimal num bers usedto identify parameters used by the DATA LIST SNAPSHOT and FREEZE FRAME modes Pump Position Potentiometer Pressure Regulator Control Prepare Pressure Park Reverse Neutral Drive Low Programmable Read Only Memory Power Steering Solenoid Vacuum Valve E 14 PSM PSP PWM PWM Pxxxx RAD Readiness Tests RECIRC REF REG RF GLOBAL OBD Il WITH TOOLPAK Pressure Switch Module Power Steering Pressure Pulse Width Module Pulse Width Modulation The method used to encode the data in the 41 6 Kbit sec version of the J1850 protocol Powertrain Diagnostic Trouble Code DTC xxxx The SAE has defined a standardized set of five character alpha numeric DTCs At this time only Powertrain P codes have been defined In the future DTCs will be defined for chassis faults C codes body faults B codes and vehicle network faults U codes The SAE defined Powertrain DTCs are in the range P0100 to P0999 DTCs with designations of P1000 or greater are unique to the individual manufacturers Rear Radiator The READINESS TESTS mode allows you to dis play the status of the vehicle s on board monitors which monitor the operation of the emissions re lated components These monitors must be run in order for the DTC and TEST RESULT displays to accurately reflect the condition of the v
74. nufacturer for vehicle Powertrain Control Module PCM development In the case of some monitors per the above a manufacturer may have determined that a monitor is unreliable or not complete when certain conditions exist therefore not enabling proper operation THIS PAGE INTENTIONALLV LEFT BLANK SECTION PAGE 1 TEST MODES AVAILABLE 3 iaia meyi a A Ba lii l 1 1 2 HARDWARE REQUIRED rn ana 2 1 3 GETTING STARTED e ie Meme RE a ERO ES TA 3 1 4 TEST MODES 2 rer MUR bold RES ue IEEE MER EVE 4 1 MODE F0 DATA LIST L t elk d diretto E ere TER 4 2 SUBMODE FO DISPLAYDATA 4 2 DATA LIST MENU 6 i delim yi 4 2 SUBMODE F1 DATA SETUP eee eee 4 3 FO ALL PARAMETERS eee ii UR 4 4 F1 USER LIST PARAMETERS 4 4 MULT PLE ECUS in innie pt ede eR EUR 4 5 MODE F1 READINESS 5 5 Freddy teh eet ple dl AN 4 7 MODE F2 DIGs kle a o dated Re ree lg etr U 4 10 SUBMODE FO READDTCs 4 10 SUBMODE Fi FREEZE DATA via 4 12 SUBMODE F2 CLEAR INFORMATION 4 14 SUBMODE F3 PENDING DTCs 4 16 MODE F3 SNAPSHOT z x 2 A p AR f abb Pe TE ug 4 18 A IT ARR 4 18 SUBMODE F4 TRIGGER POINT L LLL 0 eee 4 19 TRIGGER POINT SETUP 0 0 000s eee eee eee 4 19 SUBMODE F3 SNAPSHOT REPLAY LLL 4 20 SNAPSHOTDATACAPTURE 4 20
75. o the previous test menu GLOBAL OBD WITH TOOLPAK OBD Il TOOLPAK MODE F9 02S INFORMATION SUBMODE F4 MAINTENANCE SUBMODE F2 REMOVE AND REPLACE SUBMODE F2 F2 REMOVE AND REPLACE Mode F2 Remove and Replace provides standard 02S removal and replacement information Removal information for 02 sensors describes a proper method of how to remove an O2S from the vehicle and replacement information for 02 sensors describes a proper method of how to replace an O28 into the vehicle This mode describes a sound method of O2S sensor removal and replacement based on automobile manufacturer procedures OPERATING PROCEDURE 1 Press to select OBD Il TOOLPAK from the Select Mode menu 2 Press to select O2S Information from the OBD Il Toolpak menu 3 Press to select Maintenance from the O2S Information menu O2S Removal 4 Press to select Remove from the O2S R amp R information menu The key help screen will be displayed Press or wait to advance 5 Press to advance through the text description screens Press 9 to back up through the text description screens These text screens contain items to watch out for during oxygen sensor O2S removal from the vehicle exhaust pipe 6 Press 3X to return to previous menu GLOBAL OBD Il WITH TOOLPAK MODEF9 J OBD II TOOLPAK SUBMODE F4 02S INFORMATION SUBMODE F2 MAINTENANCE SUBMODE F2 REMOVE AND REPLACE 02S Replacement 7 Press a to select Replace from the 02
76. ong with hexadecimal displays of the current data value Val the ECU programmed minimum value Min and the maximum ECU programmed value Max for this parameter Min and Max are values reported by the ECU Val should be within those limits ACTIVE KEYS CE C Scroll through displayed data parameters Mark top displayed parameter as fixed for creating your own data pairs unlocks bottom parameter if fixed Mark bottom displayed parameter as fixed for cre ating your own data pairs unlocks top parameter if fixed Identification PID number and the ECU number Toggle the data descriptor line with the Test Identifi cation TID number and the oxygen bank and sen Toggle the data descriptor line with the Parameter sor Toggle the data descriptor line with the Test Identifi cation TID number and the hexadecimal equivalent of the received data The calculated value line is toggled with the Min and Max values received from the ECU for that TID Print data list if equipped with serial printer Return to SELECT MODE menu GLOBAL OBD Il WITH TOOLPAK MODEF5 O SYSTEM TEST SUBMODE F1 OTHER RESULTS F1 OTHER TEST RESULTS The OTHER RESULTS test mode is similar to the O2 sensor test results Some manufacturers use this mode as an alternate means of reporting 02 sensor test results In this mode the vehicle s ECU reports data for various Te
77. ort term adjustment to fuel strategy based on information obtained from the applicable O2S Associated with the OBD Il system and the parameter label are Bx and Sx Bx refers to Bank 1 or 2 and Sx refers to the sensor in positions 1 2 3 or 4 Refer to APPENDIX B OBD OXYGEN SENSOR LOCATION INFORMATION for a more complete description of the O2S naming convention FUEL PRESSURE 5 RANGE kPa 0 to 765 psi 0 to 111 Fuel Pressure data parameter is a gauge measure of the engine fuel rail pressure The fuel pressure parameter can be displayed in metric units KPa or in English units psi GLOBAL OBD Il WITH TOOLPAK FUEL STATUS 1 SLES FUEL STATUS 2 OPEN LOOP CLOSED LOOP OL DRIVE OL FAULT CL FAULT RESERVED UNUSED Fuel Status represents fuel control status of the feedback loop between the vehicle ECU and the oxygen sensor Fuel Status can be displayed for both Bank 1 and Bank 2 If only Bank 1 is used for fuel control FUEL STATUS 2 is displayed as UNUSED The states of Fuel Status can be Open Loop Closed Loop Open Loop due to vehicle being driven at wide open throttle or coasting OL DRIVE Open Loop due to a fault with the OBD II system OL FAULT Closed Loop with only one oxygen sensor being used for fuel control and a fault with at least one oxygen sensor CL FAULT or a display of a reserved status RESERVED which is used for future support IAT UNITS RANGE F 40 to 419 C
78. ostic information which the controller has saved such as FREEZE DATA IMPORTANT Clearing diagnostic information also clears the status of readiness tests making them incomplete It can take 30 to 60 minutes of vehicle drive and engine run time and in some cases longer to complete all of these tests if they are cleared Some inspection and maintenance programs require that the readiness tests be complete before the inspection can proceed When you select F2 CLEAR INFO you are first prompted with a warning message This is to prevent inadvertent clearing of codes If you press Qe or Ed in response to the prompt the tester will return to the DTC menu If you press 61339 in response to the prompt the tester will cause all OBD II controllers to clear all emissions related DTCs FREEZE DATA and READI NESS TEST results When the function is complete the tester will display the screen ALL DIAGNOSTIC INFORMATION CLEARED F2 DTCs F2 CLEAR INFO Clear All Diagnostic Info YES Continue NO Quit OPERATING PROCEDURE 1 Select F2 DTCs from the SELECT MODE menu 2 Select F2 CLEAR INFO from the DTCs menu 3 Press to clear DTCs A warning message will appear to prevent accidental clearing of codes A screen will then appear to confirm deletion of diagnostic information stored in the vehicle controllers 414 GLOBAL OBD Il WITH TOOLPAK Drs MODEF2 CLEAR INFO SUBMODE F2 Module s Some vehicles wil
79. ss a warning message You can then select the Tests Have Been READINESS tests menu item from the SELECT Completed MODE menu to examine the status of these tests For information on how to complete any of the readiness tests refer to service information from the vehicle manufacturer F1 READINESS SELECT ECU READINESS TEST Misfire Monitoring SUPPORTED For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F1 READINESS from the SELECT MODE menu 2 Selectthe ECU from which you choose to monitor data for vehicles with multiple ECUs only The message WAITING FOR DATA is displayed followed by the READINESS TEST information 3 The first three items on the display indicate the vehicle s monitoring capability for continuously monitored systems Misfire monitoring Fuel system monitoring Comprehensive component monitoring 4 7 GLOBAL OBD Il WITH TOOLPAK MODE F1 READINESS These are indicated as either being SUPPORTED or NOT SUPPORTED N A depending on the vehicle s ECU The other 8 display items indicate the status of the tests which are performed at least once per trip Catalyst monitoring Heated catalyst monitoring Evaporative system monitoring Secondary air system monitoring A C system refrigerant monitoring Oxygen sensor monitoring Oxygen sensor heater monitoring EGR system monitoring These tests can be COMPLETED NOT COMPLETED or NOT
80. st IDs TIDs and Component IDs CIDs that are specified by the vehicle manufacturer Descriptions for the TIDs and CIDs are available in the vehicle service manual or from the manufacturer If the vehicle vou are testing contains more than one OBD II ECU vou will be asked to select which ECU information vou would like displaved F5 SYSTEM TESTS F1 OTHER RESULTS SELECT ECU TID CID RESULT For vehicles with multiple ECUs only OPERATING PROCEDURE 1 Select F5 SYSTEM TESTS from the SELECT MODE menu 2 Select F1 OTHER RESULTS from the SELECT TEST menu 3 Selectthe ECU from which you choose to monitor data for vehicles with multiple ECUs only The message WAITING FOR DATA is displayed followed by the OTHER RESULTS test information GLOBAL OBD Il WITH TOOLPAK SVSTEM TEST MODE F5 OTHER RESULTS SUBMODE F1 01 01 ECU 10 In addition to reporting data for these TIDs and Test Value 0200 CIDs the vehicle reports test limits minimum Min Limit N A maximum or both for acceptable operation Max Limit 0300 The tester compares the data with the test limits and displays a PASS or FAIL indication for each TID and CID The actual received data can be viewed by moving the star cursor with the arrow keys to the desired item and pressing If N A not available is displayed for a limit then the ECU did not send a value for that limit ACTIVE KEYS ENTER Displays actual received dat
81. that more DTCs are present but are not displayed Use the 9 and keys to move through the list of DTCs A DTC description can be displayed by moving the next to the desired DTC and pressing EF The and keys will scroll through the DTC descriptions A DTC will display an f after the DTC number to signify that there is freeze data available for that DTC You can go directly to the FREEZE DATA display by pressing B This performs exactly the same function as selecting FREEZE DATA from the SELECT MODE menu but saves you a few key presses ACTIVE KEYS Display the description for the selected DTC Go directly to FREEZE DATA Print freeze data list if equipped with serial printer Move through list of DTCs Return to previous menu 4 11 GLOBAL OBD Il WITH TOOLPAK MODF2 DTCs O SUBMODE F1 FREEZE DATA F1 FREEZE DATA The vehicle s ECU stores diagnostic data information about the state of the vehicle when a Diagnostic Trouble Code DTC occurs This data is referred to as Freeze Frame Data and can be read by the tester using the FREEZE DATA mode You can select this mode from the SELECT MODE menu SELECT ECU If multiple ECUs are available the SELECT F1 10 ENGINE ECU menu is displayed once FREEZE DATA is F2 18 TRANS selected from the SELECT MODE menu Only one ECU s data can be displayed in FREEZE DATA mode F2 DTCs F1 FREEZE DATA SELECT ECU Trouble Code P0130 Engine
82. tor Millivolts Not Available Neutral Oxvgen Oxvgen Sensor Oxvgen Sensor 1 for Bank 1 On Board Diagnostics OBD is a general term used to refer to anv self diagnosis performed bv the vehicle s ECUs OBD is also used to refer to the EPA s federal OBD program OBD refers to California s first phase of on board diagnostics OBD requires that the ECU diag nose some of the emissions related components andthatthe DTCs resulting from that diagnosis be made available to the service technician In many cases OBD codes are displayed via a flashing MIL light The California Air Resource Board CARB re quires that by 1996 all vehicles sold in California contain a certain minimum on board diagnostic capability to diagnose emissions related failures of the engine control system These diagnostic requirements have been designated as OBD II On Board Diagnostics Phase II with a goal of monitoring all of the emissions related compo nents on board the vehicle for proper operation CARB s intent with the OBD Il program is to permit the State s Inspection and Maintenance Program to evolve into a check of the on board computer for the presence of diagnostic trouble codes underhood and tailpipe inspec tions would no longer be required E 12 OD OHC OL Drive OL Fault Other Test Results GLOBAL OBD Il WITH TOOLPAK Over Drive Overhead Cam Open Loop due to driving conditions for FUEL STATUS parameter Used to in
83. tored in the ECU due to a svstem fault or the vehicle is operated in a condition that causes tailpipe emissions to exceed 1 5 times the allowed value for that vehicle the MIL will be ON In most cases if a hard fault exists the MIL will remain illuminated Also the MIL can illuminate then extinguish while driving the vehicle which means the vehicle exceeded tailpipe emission standards OBD CERT STATES OBD Il OBD OBD2 OBD OBD I NO OBD On Board Diagnostics OBD Certification displays the level of OBD that the vehicle ECU is certified to The states of OBD certification can be to OBD Il California Air Resources Board requirements OBD federal require ments OBD Il and OBD requirements OBD requirements or No OBD requirements This information can be helpful when determining certifica tion and ordering parts GLOBAL OBD Il WITH TOOLPAK 02S B1 S1 25 1 02S B1 S2 025 2 UNITS RANGE 028 8188 028 B2 S9 02S B1S4 O2S 4 Dione Oxygen Sensor 028 Bx Sx is the output voltage of the O2S that is input to the ECU The O2S signal is a measure of the oxygen content in the exhaust emission gases that surround the sensor tip and is a primary input to the ECU Once the 02S is warmed up 2500 F its output voltage will fluctuate above and below a threshold of 0 450 volts Values greater than 0 450v indicate a rich condition while values less than 0 450v indicate a lean condition If the O2S has not achieved its normal operating t
84. turn to the previous menu ACTIVE KEVS Scroll up and down Select upstream or heated O2S Select downstream or non heated O28 Advance program from current screen Exit to the previous test menu GLOBAL OBD Il WITH TOOLPAK MODEF9 OBD II TOOLPAK SUBMODE F4 02S INFORMATION SUBMODE F2 MAINTENANCE F2 MAINTENANCE Mode F2 Maintenance provides three submodes of text based information on the inspection torque specification and standard removal amp replacement description for oxygen sensors Using F2 Maintenance can help you understand and review O2S sensor inspection O2S sensor torque require ments and guidelines for O2S sensor removal and replacement GLOBAL OBD Il WITH TOOLPAK OBD Il TOOLPAK 02S INFORMATION mou F4 MAINTENANCE SUBMODE F2 INSPECTION SUBMODE FO FO INSPECTION Mode FO Inspection provides information about O2S contamination how to check signal full range operation and recommended O2S sensor change intervals OPERATING PROCEDURE 1 2 Press g3 to select OBD Il TOOLPAK from the Select Mode menu Press to select O2S Information from the OBD Il Toolpak menu Press to select Maintenance from the O2S Information menu Press Gi to select Inspection from the select maintenance menu The key help screen will be displayed Press auia or wait to advance Press to advance through the text description screens Press to back up through the text description
85. ws you to perform basic testing PO Datalist on the vehicle You can select the desired func 5 tion bv pressing the kev indicated to the left ofthe s function The menu automatically scrolls every 3 seconds until you press or B at which time scrolling stops SELECT MODE y ES dui Pressing or will then cause the menu to F5 System Tests manually scroll SELECT MODE Y F8 Information F9 OBD Il Toolpak If the vehicle you are testing contains more than one ECU the tester will display a list of all ECUs which have responded during the initialization process Refer to DISPLAY DATA FOR MULTIPLE ECUs section 41 GLOBAL OBD Il WITH TOOLPAK SUBMODE F0 DISPLAY DATA FO DATALIST The DATA LIST mode allows vou to view the current state of diagnostic data parameters as reported by the vehicle s ECUs DATA LIST MENU When you select DATA LIST from the OBD II FUNCTIONS menu the tester will display the DATALIST MENU This menu allows you to F1 Data Setup either go directly to displaying data or to the DATA LIST SETUP mode to select the data you want to display DATA LIST MENU FO Display Data FO DISPLAY DATA OPERATING PROCEDURE FO DATA LIST FO DISPLAV DATA Engine Speed 756 RPM ECT 185 F 1 Select FO DATA LIST from the SELECT MODE menu 2 Select FO DISPLAY DATA from the DATA LIST menu The tester will display either ALLPARAMETERS or USER DATA LIST PARAMETERS

Manual - Bosch Diagnostics

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