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1. 93 Vehicles Covered ue 93 Data Link Connector DLC 96 Instrument Panel Malfunction Indicator Lights 96 Diagnostic Trouble Codes DTCs sots 97 Code Retrieval Proced le okai anin KE RR CE 97 Servicing DTCs Servicing DTOS ga su oda ideo ot Ade ee 100 Erasing DTCs OBD I Systems 0 0 000000 cece 102 Glossary Glossary of Terms and Abbreviations 104 Warranty and Servicing limited One Year Warranty scx sex sies EA Ake Fa Aw PT E gd De 109 Service Procedures 2 3625 cc sen hb ER RR ERE TRE 109 I CanOBD2 amp 1 Introduction WHAT IS OBD WHAT IS OBD The CanOBD2 amp 1 Scan Tool is designed to work on most Chrysler Ford GM and Toyota OBD1 systems and all OBD2 compliant vehicles One of the most exciting improvements in the automobile industry was the addition of on board diagnostics OBD on vehicles NN LS or in more basic terms the computer that SERVICE activates the vehicle s CHECK ENGINE light OBD 1 was designed to monitor manu facturer specific systems on vehicles built from 1981 to 1995 Then came the develop ment of OBD 2 which is on all 1996 cars and light trucks sold in the United States These systems are part of a government mandate to lower vehicle emissions The sophisticated pr
2. g tems A vehicle displaying a red LED is ane definitely not ready for an Emissions Test Smog Check The red LED is also an indication that there are Diagnostic Trouble Code s present displayed on the CanOBD2 amp 1 Scan Tool s screen The Malfunction Indicator Check Engine Lamp on the vehicle s instrument panel will light steady The problem that is causing the red LED to light must be repaired before an Emissions Test Smog Check can be performed It is also suggested that the vehicle be inspected repaired before driving the vehicle further EMISSION STATUS 6 If the Red LED was obtained there is a definite problem present in the system s In these cases you have the following options Repair the vehicle yourself If you are going to perform the repairs yourself proceed by reading the vehicle service manual and following all its procedures and recommendations m Take the vehicle to a professional to have it serviced The prob lem s causing the red LED to light must be repaired before the vehicle is ready for an Emissions Test Smog Check Using the I M Readiness Monitor Status to Confirm a Repair The I M Readiness Monitor Status function can be used after repair of a fault has been performed to confirm that the repair has been per formed correctly and or to check for Monitor Run Status Use the fol lowing procedure to determine I M Readiness Monitor Status 1 Using retrieved
3. Other LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS PROBLEMS STARTING C No symptoms Will not crank ENGINE QUITS OR STALLS C No symptoms Right after starting C When shifting into gear During steady speed driving IDLING CONDITIONS C No symptoms C Is too slow at all times Is too fast RUNNING CONDITIONS No symptoms Runs rough Lacks power Bucks and jerks Poor fuel economy Hesitates or stumbles on accelerations 16 Cranks but will not start Starts but takes a long time Right after vehicle comes to a stop While idling During acceleration When parking Is sometimes too fast or too slow Is rough or uneven Fluctuates up and down Backfires Misfires or cuts out Engine knocks pings or rattles Surges Dieseling or run on CanOBD2 amp 1 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET AUTOMATIC TRANSMISSION PROBLEMS if applicable C No symptoms C Vehicle does not move when in Shifts too early or too late gear Q Changes gear incorrectly Jerks or bucks PROBLEM OCCURS Q Morning Q Afternoon Anytime ENGINE TEMPERATURE WHEN PROBLEM OCCURS Q Cold C Warm C Hot DRIVING CONDITIONS WHEN PROBLEM OCCURS C Short less than 2 miles Q With headlights on Q 2 10 miles Q During acceleration C Long more than
4. CanOBD2 amp 1 85 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS WIGGLE TEST 86 8 10 11 For KOER Wiggle Test Turn the engine OFF wait 10 seconds then turn back ON Press the ENTER LD F button to continue BE SURE to perform the added procedures in step 6 if appropriate for your vehicle BEFORE turning the ignition ON Press ENTER LD button to continue If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle suc cessfully a Wiggle test is active message shows temporarily on the CanOBD2 amp 1 Scan Tool s display This is followed by a message instructing you how to perform the test m Press the ENTER LD button if you wish to exit the Wiggle Test at this time Wiggle tap and move the suspected sensor or wiring m f no faults are detected when per forming the Wiggle Test a System Pass message displays m Ifa fault is detected when performing the Wiggle Test a Circuit Fault detected message displays If the Wiggle Test detects any problems the related DTC will be stored by the computer in Continuous Memory To view any Wiggle Test DTC s you must perform the KOEO Test See page 70 for KOEO Test procedures Follow the procedures in the vehicle s service repair manual to per form troubleshooting and repairs for Wiggle Test results The Wiggle Test will stay active as long as desired To quit the Wiggle Test turn the ignition OFF and discon
5. EFI F FBC 2150A N EFI G FBC 2150A E and F Series Trucks Vans M 7 3L V 8 Diesel 8500 Ib GVW or less only 7 5L V 8 G EFI 1991 1994 2 3L l 4 OHC A EFI MFI Ranger EEC IV 2 9L V 6 EFI 66 CanOBD2 amp 1 Ford OBD1 Systems VEHICLES COVERED TRUCKS VANS Fuel Systems Carburetor Computer Model Application Special Notes System 1991 1994 Cont EFI SEFI SFI Aerostar Ranger EFI MFI Aerostar Explorer Ranger EFI MFI SFI Bronco E and F Series Trucks EFI MFI SEI Vans 8500 Ib GVW or less only EFI MFI SFI Diesel E and F Series Trucks Vans Turbo Diesel Excludes 1994 diesel models EFI MFI Aerostar Excludes Explorer Ranger and Windstar E and F series Trucks and Vans Excludes Natural Gas equipped vehicles Bronco E and F series Trucks and Vans E 350 F 250 350 Excludes California F Super Duty Excludes Diesel NOTES Carburetor Model Carburetor model numbers are usually stamped on top of the carbu re tor or on a metal tab attached to the carburetor Consult your vehicle s repair manual for proper identification VIN Number The VIN number s used in this column identify the vehicle s engine type This number is the 8th digit of the VIN Vehicle Identification Number Consult your vehi cle s repair manual for details Application Table Definitions EFI Electronic Fuel Injection F
6. 1 The Vehicle Emissions Control Information VECI Label This label is located under the hood or by the radiator of most vehicles If the vehicle is OBD 2 compliant the label will state OBD II Certified VEHICLE EMISSION CONTROL INFORMATION ENGINE FAMILY EFN2 6YBT2BA OBDII DISPLACEMENT 2 6L CERTIFIED VEHICLE VEHICLE CONFORMS U S EPA AND STATE a MANUFACTURER OF CALIFORNIA REGULATIONS APPLICABLE TO 1999 MODEL YEAR NEW TLEV PASSENGER CARS OBD II REFER TO SERVICE MANUAL FOR ADDITIONAL INFORMATION TUNE UP CONDITIONS NORMAL OPERATING ENGINE TEMPERATURE CERTIFIED ACCESSORIES OFF COOLING FAN OFF TRANSMISSION IN NEUTRAL EXHAUST EMISSIONS STANDARDS STANDARD CATEGORY CERTIFICATION IN USE TLEV TLEV INTERMEDIATE eer CATALYST lll GAP 1 1MM 2 Government Regulations require that all OBD 2 compliant vehicles must O12 a 4 s e s have common sixteen pin Data 910111213141516 Link Connector DLC Some 1994 and 1995 vehicles have 16 pin connectors but are not OBD 2 compliant Only those vehicles with a Vehicle Emissions Control Label stating OBD II Certified are OBD 2 compliant Data Link Connector DLC Location The 16 DLC is usually located under the instrument panel dash within 12 inches 300 mm of center of the panel on the driver s side of most vehicles It should be eas ily accessible and visible from ET BEHIND a kn
7. a If your vehicle is equipped with an Integrated Vehicle Speed Control disconnect the vacuum supply hose from the speed control servo before pressing the accelerator Reconnect vacuum hose after test 11 To de energize the actuators press the accelerator pedal again and release the actuators are now de energized CanOBD2 amp 1 83 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS WIGGLE TEST 12 The procedure can be repeated as many times as desired by press ing and releasing the accelerator pedal to energize and de energize the actuators 13 Consult the vehicle s service repair manual for a list of actuators solenoids and relays controlled by the computer that apply to the vehicle under test and which actuators should energize and de energize when performing the Output State Check All applicable actuators should be on when energized and off when de energized 14 If an actuator is not responding to the Output State Check follow the procedures described in the vehicle s service manual to check computer actuator output circuit voltages and or grounds 15 The Output State Check will stay active as long as desired To quit the Output State Check turn the ignition OFF and disconnect the CanOBD2 amp 1 Scan Tool from the vehicle Wiggle Test Since any DTC s from Wiggle Test results are saved in Continuous Memory it is suggested that you clear any DTC s in Continuous Memory before performing Wiggle Test see
8. ice repair SERVICE PROCEDURES If you have any questions require technical support or information on UPDATES and OPTIONAL ACCESSORIES please contact your local store distributor or the Service Center USA amp Canada 800 544 4124 6 00 AM 6 00 PM Monday Friday PST All others 714 241 6802 6 00 AM 6 00 PM Monday Friday PST FAX 714 432 7511 24 hr www CanOBD2 com CanOBD2 amp 1 109 TECHNICAL ASSISTANCE AS 5 WE EMPLOY TECHNICIANS CERTIFIED BY ASE ONLY LET US SHOW YOU THEIR CREDENTIALS www CanOBD2 com INNOVA Innova Electronics Corp 17291 Mt Herrmann Street Fountain Valley CA 92708 PRODUCT DESIGN amp COPYRIGHT Printed in Taiwan EC 2006 Innova Electronics Corp All rights reserved Instruction MRP 42293 0197
9. ALWAYS have a second person help you One person should drive the vehicle while the other person observes the Monitor icons on the CanOBD2 amp 1 Scan Tool for Monitor RUN status Trying to drive and observe the CanOBD2 amp 1 Scan Tool at the same time is dangerous and could cause a serious traffic accident 4 When a Monitors Trip Drive Cycle is performed properly the Monitor icon on the CanOBD2 amp 1 Scan Tool s display changes from flashing to solid indicating that the Monitor has run and finished its diagnostic testing m f after the Monitor has run the MIL on the vehicle s dash is not lit and no stored or pending codes associated with that particu lar Monitor are present in the vehicle s computer the repair was successful m f after the Monitor has the MIL on the vehicle s dash lights and or a DTC associated with that Monitor is present in the vehi cle s computer the repair was unsuccessful Refer to the vehi cle s service manual and recheck repair procedures CanOBD2 amp 1 OBD2 Live Data Mode VIEWING LIVE DATA The CanOBD2 amp 1 Scan Tool is a special diagnostic tool that communi cates with the vehicle s computer The CanOBD2 amp 1 Scan Tool lets you view and or capture record real time Live Data This information includes values volts rom temperature speed etc and system sta tus information open loop closed loop fuel system status etc gen erated by the various vehicle sensors
10. All models Trucks and Vans All one ton capacity or less with gas engines Buick Roadmaster 5 7 liter Chevrolet Camaro 3 4 liter 5 7 liter Caprice 5 7 liter Cavalier 3 1 liter Lumina 3 1 liter Pontiac Firebird 3 4 liter 5 7 liter Sunbird 2 0 liter 3 1 liter Saturn All models Trucks and Vans CanOBD2 amp 1 All one ton capacity or less with gas engines 87 GM OBD1 Systems ABOUT THE CANOBD2 amp 1 SCAN TOOL DLC MIL Make Chevrolet Caprice 4 3 liter Saturn All models Trucks All one ton capacity or less with gas engines and Vans EXCEPT S T Series vehicles Sr In addition to the above list the CanOBD2 amp 1 Scan Tool IS ALSO COMPATIBLE with OBD1 GM models that are equipped with Climate Control Computers For 1994 and 1995 vehicles only the models listed above are compatible with the CanOBD2 amp 1 Scan Tool ABOUT THE CANOBD2 amp 1 SCAN TOOL The CanOBD2 amp 1 Scan Tool is a device that connects to your vehicle s Data Link Connector to retrieve any Diagnostic Trouble Codes that are stored in the vehicle s on board computer DATA LINK CONNECTOR DLC Your vehicle test connector is known as the Assembly Line Data Link ALDL con nector Assembly Line Communication Link ALCL Connector or the Data Link Connector DLC The GM DLC connec tor contains 12 pins and is usually black in color On most GM vehicles the connector is found unde
11. Mustang 4 6L V8 DOHC 5 0L V 8 HO 5 0L V 8 SHP NOTES Carburetor Model Carburetor model numbers are usually stamped on top of the carbu retor or on a metal tab attached to the carburetor Consult your vehicle s repair manual for proper identification VIN Number The VIN number s used in this column identify the vehicle s engine type This number is the 8th digit of the VIN Vehicle Identification Number Consult your vehi cle s repair manual for details Application Table Definitions CFI Central Fuel Injection DOHC Dual Overhead Cam EFI Electronic Fuel Injection FBC Feedback Carburetor HSC High Swirl Combustion MFI Multiport Fuel Injection OHC Overhead Cam SC Super Charged SEFI Sequential Electronic Fuel Injection SFl Sequential Fuel Injection SHO Super High Output TRUCKS VANS Ford Computer System Tool Application Table The following table lists the year and model of all the trucks and vans that are covered by the CanOBD2 amp 1 Scan Tool Fuel Systems Carburetor Computer Model Application Special Notes System FBC 2150A Bronco II and Ranger Pickup EEC IV 1984 FBC 2150A Bronco II Ranger Pickup FBC YFA Bronco E and F Series Trucks FBC 2150A Vans 8500 Ib GVW or less only FBC 2150A 1985 1990 EFI Aerostar Bronco Il Ranger EFI excluding Diesel FBC 2150A Bronco E and F Series Trucks FBC YFA Vans 8500 Ib GVW or less only
12. When retrieving and viewing DTCs scrolls ups through the current display screen to display any additional data 7 GREEN LED Indicates that all engine systems are running nor mally all Monitors on the vehicle are active and performing their diag nostic testing and no DTCs are present Monitors are applicable to OBD2 systems only 8 YELLOW LED Indicates there is a possible problem A Pending or a history DTC is present and or some of the vehicle s emission mon itors have not run their diagnostic testing Monitors and pending DTCs are applicable to OBD2 systems only 9 RED LED Indicates there is a problem in one or more of the vehi cle s systems The red LED is also used to show that DTC s are pres ent DTCs are shown on the CanOBD2 amp 1 Scan Tool s display In this case the Malfunction Indicator Check Engine lamp on the vehicle s instrument panel will light steady on 10 Display Displays Setup Menu and submenus test results CanOBD2 amp 1 Scan Tool functions and Monitor status information See DISPLAY FUNCTIONS on next page for more details Monitors are applicable to OBD2 systems only 11 Cable Connects the CanOBD2 amp 1 Scan Tool to the vehicle s Data Link Connector DLC when retrieving codes from OBD systems used with items 12 18 14 and 16 12 CHRYSLER Connector Cable Adaptor Installs on cable item 11 when connecting to a Chrysler OBD1 Data Link Connector 13 FORD Connector Cabl
13. lem with one or more of the vehicle s systems The red LED is also used to indicate that DTC s are present dis played on the CanOBD2 amp 1 Scan Tool s screen In this case the Malfunction Indicator Check Engine lamp on the vehicle s instrument panel will be illuminated m DTC s that start with PO P2 and some P3 are considered Generic Universal All Generic DTC defini tions are the same on all OBD2 equipped vehicles The CanOBD2 amp 1 Scan Tool automatically displays the code definitions for Generic DTC s em I M MONITOR STATUS LI Di 980 EMISSION STATUS O o HR 56 De S If the Generic definition for the currently displayed code is not available an advisory message shows on the CanOBD2 amp 1 Scan Tool s display m DTC s that start with P1 and some P3 are Enhanced Manufacturer spe cific codes and their code definitions vary with each vehicle manufacturer SES Ee When an Enhanced Manufacturer specific DTC is retrieved the LCD dis play shows a list of vehicle manufactur ers Use the UP 2 and DOWN buttons as necessary to highlight the appropriate manufacturer then press the ENTER LD T button to display the correct code definition for your vehicle em STATUS PIT GODS fa If the manufacturer for your vehicle is no
14. only a limited amount of PID data can be displayed on the screen at one time If additional PID data is available a small arrow will be shown on the display Use the UP 2 and DOWN buttons as neces sary to scroll up or down to view all available PID data m When viewing recorded Live Data look for any irregularities in any of the PID values signal information LTFT RPM MAP etc If any PIDs are not within specification or irregular ities are detected follow the procedures in the vehicle s service repair manual to perform additional troubleshooting and repair When recorded Live Data is played back all available PIDs are shown even if you have cus tomized the Live Data selections If there is no Live Data currently stored in the CanOBD2 amp 1 Scan Tool s memory an advisory mes sage shows on the display Press the DTC SCROLL but ton to exit the Live Data Playback mode 4 When you have viewed all PID information for the current frame of Live Data use the DOWN button to scroll to the end of the PID list Highlight Next Frame or Previous Frame as desired then press the ENTER LD button 5 When you have finished viewing the recorded Live Data exit the Live Data Playback mode using the appropriate procedure shown below CanOBD2 amp 1 45 Generic Global OBD2 PID List m If the Code Reader is connected to a vehicle use the DOWN button to scroll to the end of the PI
15. switches and actuators In effect the CanOBD2 amp 1 Scan Tool lets you view in real time the same signal values generated by the sensors actuators switches and or vehicle system status information used by the vehicle s computer when calculating and conducting system adjustments and corrections The real time Live Data vehicle operating information values status that the computer supplies to the CanOBD2 amp 1 Scan Tool for each sen sor actuator switch etc is called Parameter Identification PID Data Each PID sensor actuator switch status etc has a set of operating characteristics and features parameters that serve to identify it The CanOBD2 amp 1 Scan Tool displays this information for each sensor actu ator switch or status that is supported by the vehicle under test WARNING If the vehicle must be driven in order to perform a troubleshooting procedure ALWAYS have a second per son help you One person should drive the vehicle while the other person observes the CanOBD2 amp 1 Scan Tool data Trying to drive and operate the CanOBD2 amp 1 Scan Tool at the same time is dangerous and could cause a serious traffic accident VIEWING LIVE DATA 1 Follow steps 1 through 7 of the Code Retrieval Procedure page 24 to place the CanOBD2 amp 1 Scan Tool in Code Retrieval mode 2 Press and release the ENTER LD button to place the CanOBD2 amp 1 Scan Tool in Live Data mode 3 Real time Live Data PID inform
16. the vehicle s DLC Turn the ignition OFF wait 10 12 seconds then turn back ON to reset the computer Press the ENTER LD button and repeat steps 3 through 5 as necessary CanOBD2 amp 1 Toyota Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 7 If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle successfully a Code retrieval was successful mes sage shows temporarily on the CanOBD2 amp 1 Scan Tools display fol lowed by any retrieved DTCs The CanOBD2 amp 1 Scan Tool will dis play a code only if codes are present in the vehicle s computer memory If no codes are present a No DTC presently stored in the vehicle s com puter message is displayed 8 If more than one code was retrieved press the DTC SCROLL A as nec essary to display additional codes one at a time a In the case of long code definitions a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and buttons as necessary to view the additional information 9 Disconnect the CanOBD2 amp 1 Scan Tool from the vehicle and turn the ignition key OFF 10 To prolong battery life the CanOBD2 amp 1 Scan Tool automatically shuts Off after approximately three minutes with no button activi ty The DTCs retrieved will remain in the CanOBD2 amp 1 Scan Tool s memory and may be viewed at any time If the CanOBD
17. 1 Preparation for Testing VEHICLE SERVICE MANUALS VEHICLE SERVICE MANUALS Always refer to the manufacturer s service manual for your vehicle before performing any test or repair procedures Contact your local car dealership auto parts store or bookstore for availability of these man uals The following companies publish valuable repair manuals Haynes Publications 861 Lawrence Drive Newbury Park California 91320 Phone 800 442 9637 Mitchell International 14145 Danielson Street Poway California 92064 Phone 888 724 6742 Motor Publications 5600 Crooks Road Suite 200 Troy Michigan 48098 Phone 800 426 6867 FACTORY SOURCES Ford GM Chrysler Honda Isuzu Hyundai and Subaru Service Manuals Helm Inc 14310 Hamilton Avenue Highland Park Michigan 48203 Phone 800 782 4356 CanOBD2 amp 1 19 General Code Retrieval Procedures OBD1 SYSTEMS OBD2 SYSTEMS Procedures for Retrieving Diagnostic Trouble Codes from OBD1 sys tems are vehicle manufacturer specific Each manufacturer uses their own procedure Procedures for retrieving Diagnostic Trouble Codes from OBD2 systems are generic and apply to all vehicles equipped with OBD2 systems From the following list select the procedure that applies to your vehi cle s OBD system and proceed to appropriate section for detailed code retrieval procedures OBD1 SYSTEMS Most cars and light trucks under 8500 GW sold in the U S from ear
18. 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD button to continue 6 Turn off all vehicle accessories then turn ignition key OFF and wait for the on screen prompt If you wish to exit the Timing Check pro cedure at this time press the ENTER LD F button 74 CanOBD2 amp 1 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES KOER TEST 7 When prompted by the CanOBD2 amp 1 Scan Tool start the engine and press the ENTER LD F button m A One moment please preparation for test is in progress message shows temporarily on the CanOBD2 amp 1 Scan Tool s display followed by the mes sage Perform Timing Check within two minutes 8 When Perform Timing Check within 2 minutes displays perform the Timing Check as follows m The vehicle s computer is pro grammed to advance ignition timing 20 x3 above the vehicle s base timing value and to freeze this set ting for two minutes from the time the Perform Timing Check within 2 min utes message displays This allows the user to check the computer s abil ity to advance ignition timing m Within this two minute period follow instructions in the vehicle s service repair manual to check the ignition timing with a timing light and ensure that it is 20 above the specified base timing value 3 Example If base timing specification is 10 BTDC the acceptable tim ing light reading should be in the ra
19. 10 miles Q Mostly driving downhill Stop and go Q Mostly driving uphill Q While turning Q Mostly driving level C While braking Q Mostly driving curvy roads Q At gear engagement Q Mostly driving rough roads C With A C operating DRIVING HABITS Q Mostly city driving Q Highway Park vehicle inside Park vehicle outside Drive less than 10 miles per day Drive 10 to 50 miles per day Drive more than 50 miles per day GASOLINE USED Q 87 Octane Q 91 Octane 89 Octane Q More than 91 Octane WEATHER CONDITIONS WHEN PROBLEM OCCURS 32 55 F 0 13 C Above 55 F 13 C Q Below freezing 32 F 0 C CHECK ENGINE LIGHT DASH WARNING LIGHT Sometimes ON C Always ON C Never ON PECULIAR SMELLS C Hot Gasoline C Sulfur rotten egg Q Burning oil Q Burning rubber Q Electrical STRANGE NOISES C Rattle Q Squeak Knock Q Other CanOBD2 amp 1 17 Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The CanOBD2 amp 1 Scan Tool aids in monitoring electronic and emissions related faults in your vehicle and retrieving fault codes related to malfunc tions in these systems Mechanical problems such as low oil level or damaged hoses wiring or electrical connectors can cause poor engine perform ance and may also cause a fault code to set Fix any known mechan ical problems before performing any test See your vehicle s service manual or a mechanic f
20. ENTER LD button 90 CanOBD2 amp 1 GM OBD1 Systems CODE RETRIEVAL PROCEDURE If the Enter 4th VIN Digit screen displays not applicable to all vehicles highlight the 4th digit of the vehicle s VIN then press the ENTER LD button The Current Selection Select New Vehicle screen displays for your confirmation If the information shown in the Current Selection field is cor rect highlight Current Selection turn ignition key ON DO NOT start engine and press the ENTER LD button Proceed to step 4 to continue Cue If the year shown is not correct highlight Select New Vehicle and press the ENTER LD button to return to the Select Vehicle Year menu to make your corrections 4 When the CanOBD2 amp 1 Scan Tool is in the process of retrieving codes a One moment please message shows on the CanOBD2 amp 1 Scan display m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following Verify the ignition is ON Check the cable connections at the CanOBD2 amp 1 Scan Tool and at the vehicle s DLC Turn the ignition OFF wait 10 12 seconds then turn back ON to reset the computer Press the ENTER LD button and repeat steps 3 and 4 as nec essary 5 If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle successfully a Code retrieval was suc
21. Memory on page 14 to view DTCs stored in the CanOBD2 amp 1 Scan Tool s memory All retrieved DTCs will remain in the CanOBD2 amp 1 Scan Tool s memory If the KOER Test procedure is performed again DTC s from a prior test will automatically clear and will be replaced by the most current DTCs retrieved 13 All KOER codes that are retrieved by the CanOBD2 amp 1 Scan Tool during the KOER Self Test represent problems that are present now at the time the test is performed The related vehicle problems that caused the codes to be sent must be repaired using the procedures described in the vehicle s repair manual The green yellow and red LEDs are used with the LCD display as visual aids to make it easier to determine engine system con ditions See Servicing Diagnostic Trouble Codes on page 100 for information on interpreting LEDs and servicing DTCs 14 After all repairs have been completed repeat the KOER Self Test 15 If a pass code code 11 or 111 is received it indicates that the repairs were successful and all the related sys tems are working properly 16 If a pass code code 111 or 111 is not received the repair was unsuccessful Consult the vehicle s service manual and recheck repair procedure ADDITIONAL TESTS FOR EEC IV SYSTEMS These tests are additional supplemental tests and are not needed to retrieve Diagnostic Trouble Codes Ford has included them to further assist the technician do it your selfer
22. Tool s display Verify the connection at the DLC and verify the ignition is ON Turn the ignition OFF wait 5 sec onds then turn back ON to reset the computer Ensure your vehicle is OBD2 compliant See Vehicles Covered on page 21 for vehicle compliance verification information CanOBD2 amp 1 25 OBD2 Systems CODE RETRIEVAL PROCEDURE The CanOBD2 amp 1 Scan Tool will auto matically re link to the vehicle s com puter every 30 seconds to refresh the data being retrieved When data is being refreshed the message One moment Auto link in progress is shown on the display This action repeats as long as the CanOBD2 amp 1 o o Scan Tool is communicating with the arrera vehicle s computer 09 The CanOBD2 amp 1 Scan Tool will dis play a code only if codes are present in the vehicle s computer memory If no codes are present a No DTC s are presently stored in the vehicle s computer message is displayed m The CanOBD2 amp 1 Scan Tool is capable of retrieving and storing up to 32 codes in memory for immediate or later viewing 8 To read the display Refer to Display Functions on page 12 for a description of display elements A visible icon indicates that the CanOBD2 amp 1 Scan Tool is being powered through the vehicle s DLC connector A visible ap icon indicates that the CanOBD2 amp 1 Scan Tool is linked to communicating with the vehicle s
23. Tool Controls VIEWING DTCs IN THE CANOBD2 amp 1 SCAN TOOLS MEMORY VIEWING DTCs IN THE CANOBD2 amp 1 SCAN TOOL S MEMORY To view DTC s and other diagnostic data stored in the CanOBD2 amp 1 Scan Tool s memory do the following With no DLC cable connected to the CanOBD2 amp 1 Scan Tool press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool 1 14 on m The Retrieve DTCs screen shows on the CanOBD2 amp 1 Scan Tool s dis play Press the button for instruc tions to view DTC s in memory Press the ENTER LD button m The Select OBD System screen dis plays Use the and keys to highlight and select your vehicle s OBD system OBD1 or OBD2 Press the ENTER LD button to continue m Select Back if you wish to return to the Main Menu I DTCs are present in the CanOBD2 amp 1 Scan Tools memory the first stored DTC will display on the screen m f more than one DTC is present use the DTC SCROLL button to scroll through the DTC s For OBD2 systems only Freeze Frame Data if available will display after DTC 1 If no DTCs are in the CanOBD2 amp 1 Scan Tool s memory a No DTC s are presently stored in the Code Readers memory message displays I M MONITOR STATUS b PENDING D ic Goose 4o I M MONITOR STATUS 00 Sous h CanOBD2 amp 1 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSI
24. amp 1 73 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES ENGINE TIMING CHECK A timing light is required to perform this test m The vehicle must pass the KOEO Test page 70 before performing this test 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool s cable con nector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press ENTER LD button to continue The Ford EEC IV System menu dis plays Use the 2 buttons as necessary to make menu selec tions 3 From the Ford EEC IV System menu highlight Timing Check then press the ENTER LD button m The Timing Check menu displays 4 From the Timing Check menu highlight the appropriate option for the vehicle under test then press the ENTER LD button 1993 and newer selected an instruc tional message shows the CanOBD2 amp 1 Scan display refer ring you to the vehicle s service manu al for timing check procedures Press the ENTER LD F button to return to the Ford EEC IV System menu m 1992 and older selected proceed to step 5 5 When prompted by the CanOBD2 amp
25. and actuators used to ensure peak performance and fuel efficiency while reducing pollutants in the vehicle s emissions DIY Do It Yourself DLC Data Link Connector Drive Cycle An extended set of driving procedures that takes into consideration the various types of driving conditions encountered in real life Driving Condition A specific environmental or operation condition under which a vehicle is operated such as starting the vehicle when cold driving at steady speed cruising accelerating etc DTC s Diagnostic Trouble Code s EGR Exhaust Gas Recirculation EPA Environmental Protection Agency EVAP Evaporative Emissions System Fault Code See DTCs Freeze Frame A digital representation of engine and or emissions system conditions present when a fault code was recorded FTP Fuel Tank Pressure Generic Code A DTC that applies to all OBD 2 compliant vehicles I M Readiness An indication of whether or not a vehicle s emissions related system are operating properly and are ready for Inspection and Maintenance testing I M Test Emissions Test Smog Check A functional test of a vehi cle to determine if tailpipe emissions are within Federal State Local requirements LCD Liquid Crystal Display LED Light Emitting Diode LTFT Long Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the vehicle to compensate for operating condition
26. memory and may be viewed at any time If the CanOBD2 amp 1 Scan Tool s batteries are removed or if the CanOBD2 amp 1 Scan Tool is re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared m See Viewing DTCs in the CanOBD2 amp 1 Scan Tool s Memory on page 14 to view DTCs stored in the CanOBD2 amp 1 Scan Tool s memory 9 Follow the testing and repair procedures outlined in the vehicle s service repair manual to correct hard DTCs Codes should be addressed and eliminated in the order they were received erasing see Erasing DTC s on page 102 and retesting after each repair is made to be sure the fault was eliminated Code 12 will appear alone when no other fault codes are present t may be necessary to test drive the vehicle to reset hard fault codes 13 15 24 44 45 and 55 after they have been erased Whenever codes 51 52 54 or 55 are displayed with other codes troubleshoot and eliminate the 50 Series codes first then proceed with the lower numbered codes The green yellow and red LEDs are used with the LCD dis play as visual aids to make it easier to determine engine sys tem conditions See Servicing Diagnostic Trouble Codes on page 100 for information on interpreting LEDs and servic ing DTCs 92 CanOBD2 amp 1 Toyota Lexus OBD1 Systems ON BOARD VEHICLE DIAGNOSTICS VEHICLES COVERED ON BOARD VEHICLE DIAGNOSTICS OBD 1 e Beginning in 1988 California s A
27. require that some but not all Monitors indi cate a Has Run status before an Emissions Test Smog Check may be performed CanOBD2 amp 1 33 OBD2 Systems I M READINESS TESTING Monitors with a Has Run status indicate that all the required conditions they needed to perform diagnosis and testing of their assigned engine area system have been met and all diagnostic testing has completed suc cessfully Monitors with a Has Not Run status have not yet met the conditions they need to perform diagnosis and test ing of their assigned engine area system and have not been able to perform diagnostic testing on that system The green yellow and red LEDs provide a quick way to help you deter mine if a vehicle is ready for an Emissions Test Smog Check Follow the instructions below to perform the Quick Check Perform the Code Retrieval Procedure as described on page 24 then interpret the LED indications as follows Interpreting I M Readiness Test Results 1 GREEN LED Indicates that all engine systems are OK and operating nor mally all Monitors supported by the vehicle have run and performed their self diagnostic testing The vehicle is ready for an Emissions Test Smog Check and there is a good possibility that it can be certified 2 YELLOW LED Determine from the Code Retrieval Procedure page 24 which of the two possible conditions is causing the yellow LED to li
28. s Data Link Connector DLC A visible icon indicates that the CanOBD2 amp 1 Scan Tool is being powered through the vehicle s DLC connector Link icon Indicates whether or not the CanOBD2 amp 1 Scan Tool is communicating linked with the vehicle s on board comput er When visible the CanOBD2 amp 1 Scan Tool is communicating with the computer If the Link icon is not visible the CanOBD2 amp 1 Scan Tool is not communicating with the computer Computer icon When this icon is visible it indicates that the CanOBD2 amp 1 Scan Tool is linked to a personal computer An option al PC Link Kit is available that makes it possible to upload retrieved data to a personal computer CanOBD2 amp 1 10 11 12 13 14 15 16 CanOBD2 amp 1 Scan Tool Controls DISPLAY FUNCTIONS CanOBD2 amp 1 Scan Tool Internal Battery icon When visible indicates the CanOBD2 amp 1 Scan Tool batteries are low and should be replaced If the batteries are not replaced when the battery sym bol is on all 3 LEDs will light up as a last resort indicator to warn you that the batteries need replacement No data will be dis played on screen when all 3 LEDs are lit DTC Display Area Displays the Diagnostic Trouble Code DTC number Each fault is assigned a code number that is specific to that fault Test Data Display Area Displays DTC definitions Freeze Frame data and other pertinent test info
29. time while in Live Data mode any stored recorded Live Data will be cleared erased from the CanOBD2 amp 1 Scan Tool s memory Record by DTC Trigger This function automatically records captures Live Data information when a DTC sets and saves it in the CanOBD2 amp 1 Scan Tool s memo ry The recorded captured data can be a valuable troubleshooting aid particularly if you are experiencing a fault that is causing a DTC to set CanOBD2 amp 1 39 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA 1 With the CanOBD2 amp 1 Scan Tool in Live Data mode see Viewing Live Data on page 37 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the UP and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN but tons as necessary to highlight Record Live Data then press the ENTER LD button The Record Live Data Menu dis plays 4 Use the UP and DOWN but tons as necessary to highlight Record by DTC trigger then press the ENTER LD button 5 When the Record by DTC Trigger screen displays select the desired trigger point as follows The CanOBD2 amp 1 Scan Tool is capable of recording approxi mately 20 frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the CanOBD2 amp
30. transmis sion only 2 3 L l 4 FBC YFA Capri LTD Marquis Mustang 1996 models 2 3 L l 4 OHC Mustang 2 3 L l 4 EFI Turbo Capri Cougar Merkur Mustang T Bird XR4Ti 2 3 L l 4 HSC CFI EFI SEFI Tempo Topaz 2 5 L l 4 EFI CFI Sable Taurus 3 0 3 0 L V 6 L V 6 SHO 1 U Y EFI SEFI SFI Probe Sable Taurus Tempo Topaz VIN 1 Taurus models are Flexible Fuel 3 8 L V 6 3 4 C R CFI EFI SFI Capri Continental Cougar LTD Marquis Mustang Sable T Bird Taurus Crown Victoria Grand Marquis Mark VII Town Car Capri Continental Cougar Crown Victoria Grand Marquis Mark VII Mustang Mustang Cobra T Bird Town Car 1994 Escort Topaz Tracer Probe Sable Taurus Tempo VIN 1 Taurus models are Flexible Fuel Continental Cougar Sable Taurus T Bird Crown Victoria Grand Marquis Mark VIII Town Car Mustang Mustang Cobra 1995 Escort Tracer Contour Mystique Probe Contour Mystique 3 0L V 6 SHO Y 3 8 L V 6 4 3 8 L V 6 SC R CanOBD2 amp 1 Sable Taurus VIN 1 Taurus models are Flexible Fuel Cougar Sable Taurus T Bird 65 Ford OBD1 Systems VEHICLES COVERED TRUCKS Fuel Systems 8th VIN Carburetor Digit Model Application Special Notes Computer System 1995 Cont Mark VIII
31. 1 Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC sets after the event or in the middle 10 frames before and 10 frames after the event m Beginning records approximately 20 frames of Live Data after the DTC sets m Middle records approximately 10 frames of Live Data before and 10 frames after the DTC sets m End records approximately 20 frames of Live Data before the DTC sets 6 Use the UP and DOWN S buttons as necessary to select the desired trigger point then press the ENTER LD 69 button 40 CanOBD2 amp 1 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA m A One moment please message shows on the display When the CanOBD2 amp 1 Scan Tool is ready to record Live Data the Record Live Data screen displays 7 Putthe engine in the operating condition that causes the DTC to set m f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs 8 When the CanOBD2 amp 1 Scan Tool detects a fault that causes a DTC to set it automatically records and saves approximately 20 frames of Live Data information in its memory according to your trigger selection for each PID supported by the vehicle m All three LEDs will blink for three sec onds to indicate that Live Data is being recorded and a One moment please message shows on the display m When recording is comp
32. 2 amp 1 Scan Tool s batteries are removed or if the CanOBD2 amp 1 Scan Tool is re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared m See Viewing DTCs in the CanOBD2 amp 1 Scan Tool s Memory on page 14 to view DTCs stored in the CanOBD2 amp 1 Scan Tool s memory 11 Follow the testing and repair procedures outlined in the vehicle s service repair manual to correct hard DTCs Codes should be addressed and eliminated in the order they were received erasing see Erasing DTC s on page 102 and retesting after each repair is made to be sure the fault was eliminated The green yellow and red LEDs are used with the LCD dis play as visual aids to make it easier to determine engine sys tem conditions See Servicing Diagnostic Trouble Codes on page 100 for information on interpreting LEDs and servic ing DTCs CanOBD2 amp 1 99 Servicing DTCs SERVICING DTCs OBDI Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions 1 Determine engine system s condition by viewi
33. 37 Customizing Live Data PIDs 38 Recording Capturing Live Data ies 39 Live Data Playback 44 Generic Global OBD2 PID List 46 Additional OBD2 Tests O2SensorTest ao gau epi b REOR EEG ae faq EY 1 Non Continuous Test 53 System Test cios EREMO SON 54 Vehicle ID i inima eps Se Pe OE ERE EN a E OR CIE Reni eed 55 Chrysler Jeep OBD1 Systems Chrysler Jeep OBD1 Systems ssselsleesee eee 58 Vehicles Covered 26 59 Instrument Panel Indicator Lights 59 Data Link Connector DLC RE 59 Code Retrieval Procedure cciersirirserar piss ieesenis a rne 60 Ford OBD1 Systems Ford Computer System Overview 64 Vehicles Covered 64 Test Connectors 68 Connecting the CanOBD2 amp 1 Scan Tool petra 68 Diagnostic Trouble Codes DTCs dudum 69 Code Retrieval Procedures Gd 69 Additional Tests for EEC IV Systems 78 GM OBD1 Systems Your Vehicle s Computer System 87 Vehicles Covered ass creer e Re b Ed op nda p eR 87 About the CanOBD2 amp 1 Scan Tool 88 Data Link Connector DLC ache 88 Malfunction Indicator Light MIL EL 88 Diagnostic Trouble Codes DTCs n 89 Code Retrieval Procedure o 89 Toyota Lexus OBD1 Systems On Board Vehicle Diagnostics OBD1
34. BC Feedback Carburetor MFI Multiport Fuel Injection OHC Overhead Cam SC Super Charged SEFI Sequential Electronic Fuel Injection SFl Sequential Fuel Injection CanOBD2 amp 1 67 Ford OBD1 Systems TEST CONNECTORS CONNECTING THE CANOBD2 amp 1 SCAN TOOL TEST CONNECTORS Ford vehicles are equipped with special test connectors that make it possible to connect spe cialized testing equipment that communicates with the vehicle s onboard computer Ford s vehi cle test connectors are usually dark in color BLACK or GREY Sometimes they have a plastic cover over them or are labeled aoe EEC Test The connectors can be found in the following gener EEC IV TEST CONNECTOR al locations in the engine com partment e Near the front corner right or left e Nearthe fender well right or left e Near the fire wall right or left CONNECTING THE CANOBD2 amp 1 SCAN TOOL The CanOBD2 amp 1 Scan Tool s Ford Connector Cable Adaptor is designed to match the vehicle s computer DLC When properly connected the vehicle s DLC should match the pre molded guides around the adaptor Make sure the adaptor and the vehicle s DLC mate properly before applying force Forcing the adaptor onto the DLC improperly may result in damage to the adaptor and or CanOBD2 amp 1 Scan Tool and possible damage to the vehicle s computer system Connect the CanOBD2 amp 1 Scan Tool to BOTH 1 Large six pin female connector with
35. CONNECTOR DLC Toyota vehicles are equipped with special Test Connectors that make it possible to connect specialized testing equipment that communi cates with the vehicle s onboard computer The CanOBD2 amp 1 Scan Tool is designed for use with two types of Toyota DLC connectors DLC Number 1 and DLC Number 2 as described below The CanOBD2 amp 1 Scan Tools Toyota Connector Cable Adaptor is designed to match the vehicle s DLC Make sure the adaptor mates properly before applying any force when making the connection Applying force to the connector when not mated properly may cause damage to the connectors 1 Type 1 connector is also known as Data Link Connector Number 1 The type 1 DLC connector is a rectangular connector and is usual ly black or gray in color The connector is located under the hood engine compartment in the following general locations Front corner right or left Front corner right or left Fender well right or left Fire wall right or left It has a cover labeled DIAGNOSTIC DIAGNOSIS or CHECK CONN Use the square head of the Toyota Connector Cable Adaptor on vehicles with this type of connector 2 Type 2 connector is also known as Data Link Connector DLC Number 2 The type 2 DLC connector is a round con nector and is usually black or gray in color The connector is located under the dash on the left hand side It may have a protective cap that needs to be removed before connect i
36. D list highlight Exit Playback then press the ENTER LD button m f the Code Reader is not connected to a vehicle press the DTC SCROLL button The following is a list of Generic Global PIDs and their descriptions Tool Displa Value PID Description ACC Pedal D XXX X Accelerator Pedal Position D ACC Pedal E XXX X Accelerator Pedal Position E ACC Pedal F XXX X Accelerator Pedal Position F Air Status UPS DNS Commanded Secondary Air OFF Status Ambient Air Temperature Aux Input Status NUN On Off Auxiliary Input Status inHg Calc LOAD XXX X Calculated LOAD Value CAT Temp 11 XXXX X Catalyst Temperature Bank 1 Sensor 1 CAT Temp 12 XXXX X Catalyst Temperature Bank 1 Sensor 2 CAT Temp 21 XXXX X Catalyst Temperature Bank 2 Sensor 1 Temp 22 XXXX X Catalyst Temperature Bank 2 Sensor 2 Command XXX X Commanded EGR EGR Command 96 XXX X Commanded Evaporative Purge EVAP Command TAC XXX X Commanded Throttle Actuator Dist DTC Clr XXXXX Distance since DTC Cleared mile Dist MIL ON XXXXX Distance Traveled while MIL ON ee a XXX EQ Ratio EM X XXX Commanded Equivalence Ratio 46 CanOBD2 amp 1 Generic Global OBD2 PID List Tool Displa Value PID Description EQ Ratio 11 X XXX Bank 1 Sensor 1 Equivalence Ratio EQ Ratio 12 X XXX Bank 1 Sensor 2 Equivalence Ratio EQ Ratio 13 X XXX Bank 1 Sensor 3 Equivalence Ratio EQ Ratio 14 X XXX Bank 1 Sensor 4 Equivalence Rati
37. DIGITAL CC OBD2 amp 1 Scan Tool OWNER S MANUAL The Easiest And Best Way To Troubleshoot OBD2 and OBD Vehicles Table of Contents INTRODUCTION What is OBD eee 1 YOUCCANDO ITI 265 cc ccc cer ae I ere head Erba E dh RE ER ERE hd 2 SAFETY PRECAUTIONS Safety Froli 2 sds orc e dere wash eet e DES e ot eo RR ah ead d 3 5 5 ABOUT THE CANOBD2 amp 1 SCAN TOOL Battery Installation Replacement Adjustments Settings and DTC Library CANOBD2 amp 1 SCAN TOOL CONTROLS Controls arid Indicators s med oon LM SERE PIQUE 10 Display FUNCHONS s stu senem cR eum e D RR T 12 Viewing DTC s the CanOBD28 amp 1 Scan Tool s Memory 14 Preliminary Vehicle Diagnosis Worksheet 15 PREPARATION FOR TESTING Before Yow qu tut Wee arene ut sa bg 18 Vehicle Service Manuals 20 000 IA 19 GENERAL CODE RETRIEVAL PROCEDURES OBD1 Systems 20 OBD2 Systems 20 OBD2 Systems Vehicles Coveted c sscpeduleda bp Xd sS wad du DP ER ERR UN Ea 21 Diagnostic Trouble Codes DTCs 22 Code Retrieval Procedure 24 Erasing Diagnostic Trouble Codes DTC s EEE 30 VM Readiness Testing 2 siuisu kj ke br kh ueri 31 OBD2 Live Data Mode Viewing Live Data enki eR Rp RPG rne x RE DER
38. DTCs Do not proceed to the ignition timing check procedure or the KOER test until a PASS code code 11 or 111 for KOEO test is obtained Engine Timing Check Before performing the KOER Self Test the vehicle s Ignition Base Timing and the computer s ability to electronically con trol timing advance must be checked for proper operation Maladjustment of ignition timing or a problem in the advance circuit might generate false fault codes when performing the KOER Self Test that would cause the test to be invalid Use the following procedures to check for proper ignition timing and to verify the computer s ability to electronically advance ignition timing The following Timing Check procedure is only applica ble to 1992 and older vehicles excluding diesel engines For 1993 and newer vehicles refer to the vehi cle s service repair manual for procedures to check and adjust timing DO NOT ATTEMPT TO ADJUST TIMING ON THESE VEHICLES WITHOUT MANUFACTURER S SPECI FICATIONS AND PROCEDURES For 1992 and older vehicles the CanOBD2 amp 1 Scan Tool can be used in combination with a timing light to check ignition timing and the vehi cle computers ability to advance ignition timing Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle Read and follow Safety Precautions on page 3 before performing this test CanOBD2
39. Diagnostic Trouble Codes DTCs and code defini tions as a guide and following manufacturer s repair procedures repair the fault or faults as instructed 2 After the fault or faults have been repaired connect the CanOBD2 amp 1 Scan Tool to the vehicle s DLC and erase the code or codes from the vehicle s computer memory CanOBD2 amp 1 35 OBD2 Systems I M READINESS TESTING 36 See page 30 for procedures to erase DTCs from the vehicle s on board computer m Write the codes down on a piece of paper for reference before erasing 3 After the erase procedure is performed most of the Monitor icons on the CanOBD2 amp 1 Scan Tool s display will be flashing Leave the CanOBD2 amp 1 Scan Tool connected to the vehicle and perform a Trip Drive Cycle for each flashing Monitor Misfire Fuel and Comprehensive Component Monitors run continuously and their icons will always be on solid even after the erase function is performed m Each DTC is associated with a specific Monitor Consult the vehi cle s service manual to identify the Monitor or Monitors associ ated with the faults that were repaired Follow the manufacturer s procedures to perform a Trip Drive Cycle for the appropriate Monitors m While observing the Monitor icons on the CanOBD2 amp 1 Scan Tool s display perform a Trip Drive Cycle for the appropriate Monitor or Monitors WARNING If the vehicle needs to be driven in order to perform a Trip Drive Cycle
40. EAR WARRANTY The Manufacturer warrants to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one 1 year from the date of original pur chase If the unit fails within the one 1 year period it will be repaired or replaced at the Manufacturer s option at no charge when returned prepaid to the Service Center with Proof of Purchase The sales receipt may be used for this purpose Installation labor is not covered under this warranty All replacement parts whether new or remanufac tured assume as their warranty period only the remaining time of this warranty This warranty does not apply to damage caused by improper use acci dent abuse improper voltage service fire flood lightning or other acts of God or if the product was altered or repaired by anyone other than the Manufacturer s Service Center The Manufacturer under no circumstances shall be liable for any con sequential damages for breach of any written warranty of this unit This warranty gives you specific legal rights and you may also have rights which vary from state to state This manual is copyrighted with all rights reserved No portion of this document may be copied or reproduced by any means without the express written permission of the Manufacturer THIS WARRANTY IS NOT TRANSFERABLE For service send via U P S if possible prepaid to Manufacturer Allow 3 4 weeks for serv
41. EDURES KOEO TEST As described previously some tests are designed to detect problems only when the vehicle is in normal operation Some tests are designed to activate components and detect problems only with the Key On and Engine Off Other tests are designed to activate components and test their operation only with the Key On and Engine Running Do not take short cuts If you fail to perform a test or you perform a test out of sequence you might miss a problem that is only detected during that part of the test Key On Engine Off KOEO Test 70 During the KOEO Self Test two groups of codes are retrieved by the CanOBD2 amp 1 Scan Tool m The first group of codes retrieved by the CanOBD2 amp 1 Scan Tool are called KOEO codes A KOEO icon will show in the upper right cor ner of the display to indicate that the code retrieved is a KOEO code m The second group of codes are called Continuous Memory codes A CM icon will show in the upper right corner of the display to indi cate that the code retrieved is a Continuous Memory code Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle See Safety Precautions on page 3 for more infor mation 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 68 for connector location Some DLCs have a plastic cover that must be removed bef
42. Erasing DTC s on page 102 for procedures This way you start with a clean slate and any faults detected during the procedure will be related to that particular circuit tested Use this test to check for intermittent faults in some circuits Circuits Tested 1984 amp Newer Air Charge Temp Sensor ACT Barometer Pressure Sensor BP Engine Coolant Temp Sensor ECT Exhaust Gas Oxygen Sensor EGO EGR Valve Position Sensor EVP Manifold Absolute Pressure MAP Throttle Position Sensor TP Vane Air Temp Sensor VAT 1985 amp Newer Vane Air Flow Sensor VAF 1986 amp Newer Pressure Feedback EGR Sensor PFE 1990 amp Newer Exhaust Gas Oxygen Sensor EGO Ignition Diagnostic Monitor IDM DIS or Dual Plug DIS only Idle Tracking Switch ITS Mass Air Flow Sensor MAF ALWAYS observe safety precautions whenever working on a vehicle Read and follow Safety Precautions on page 3 before performing this test 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool cable connector 84 CanOBD2 amp 1 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS WIGGLE TEST 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then con nect the adaptor to the vehicle s DLC Press the P
43. LC 1 Cars Model Camry Coupe Camry Sedan Camry Sedan Camry Sedan Camry Sedan Camry Sedan Celica Celica Celica Celica CanOBD2 amp 1 93 Toyota Lexus OBD1 Systems VEHICLES COVERED Model Celica Convertible Celica Coupe Celica Coupe Celica Coupe Celica Coupe Celica Liftback Celica Liftback Corolla Sedan Corolla Sedan Corolla Sedan Corolla Sedan ES 300 GS 300 LS 400 MR2 MR2 MR2 MR2 Paseo Paseo SC 300 Supra Supra Supra Supra Tercel Sedan Tercel Sedan DLC 2 Cars Model Cressida Cressida Cressida Cressida 94 CanOBD2 amp 1 Toyota Lexus OBD1 Systems VEHICLES COVERED Eng Code 3VZ FE 2JZ GTE 2JZ GE 3VZ FE 2JZ GTE 2JZ GE 2JZ GTE 2JZ GE 2JZ GE 2VZ FE 2VZ FE 3VZ FE 1UZ FE 1UZ FE 1UZ FE 1UZ FE 1UZ FE 2JZ GE 1UZ FE 2JZ GE 1MZ FE DLC 1 Light Trucks Model 2JZ GE PO Previa Previa Previa T100 4 Runner 4 Runner Pickup Pickup Previa CanOBD2 amp 1 95 Toyota Lexus OBD1 Systems DATA LINK CONNECTOR DLC MIL DATA LINK
44. MIL On Time XXXX Engine Run Time while MIL ON Monitor Status EB ICONS on Monitor Status this Driving Cycle Displa 02S Location O02811 Oxygen Sensor Bank 1 Sensor 1 025 Location O2S12 Oxygen Sensor Bank 1 Sensor 2 02S Location 02513 Oxygen Sensor Bank 1 Sensor 3 02S Location 02514 Oxygen Sensor Bank 1 Sensor 4 O28 Location 02521 2 1 48 CanOBD2 amp 1 Generic Global OBD2 PID List Tool Displa Value PID Description 02S Location o2s22 Oxygen Sensor Bank 2 Sensor 1 02S Location 02523 Oxygen Sensor Bank 2 Sensor 3 02S Location 02524 Oxygen Sensor Bank 2 Sensor 4 Oxygen Sensor Bank 1 Sensor 1 25 Location O2812 Oxygen Sensor Bank 1 Sensor 2 02S Location 02521 Oxygen Sensor Bank 2 Sensor 1 028 Location 02522 Oxygen Sensor Bank 2 Sensor 2 02S Location 02831 Oxygen Sensor Bank 3 Sensor 1 02S Location 02832 Oxygen Sensor Bank 3 Sensor 2 02S Location 02841 Oxygen Sensor Bank 4 Sensor 1 02S Location O2S42 Oxygen Sensor Bank 4 Sensor 2 OBDSuppot OBD2 OBD Requirements OBD Support OBD OBD Requirements OBD Support OBD and OBD Requirements OBD2 OBD Support 1 OBD Requirements OBD Support NoOBD OBD Requirements OBD Support EOBD OBD Requirements OBD Support EOBD and OBD Req
45. N DO NOT start the engine Press the ENTER LD but ton to continue 4 Select the model year of the vehicle from which you wish to retrieve codes If a previous vehicle selection is currently saved in the CanOBD2 amp 1 Scan Tool s memory the Current Selection Select New Vehicle menu displays If no previous vehicle selection is stored in the CanOBD2 amp 1 Scan Tool s memory the Select Vehicle Year menu displays Use the 2 and buttons as necessary to make your selection 60 CanOBD2 amp 1 Chrysler Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE To retrieve DTCs from the vehicle selection currently in the CanOBD2 amp 1 Scan Tool s memory From the Current Selection Select New Vehicle screen high light Current Selection and press the ENTER LD button Proceed to step 5 to continue To retrieve DTCs from a new vehicle From the Current Selection Select New Vehicle screen high light Select New Vehicle and press the ENTER LD button the Select Vehicle Year menu dis plays Highlight the desired year then press the ENTER LD button The Current Selection Select New Vehicle screen displays for your confirmation FCC means 1994 Four Cylinder Control Module for the 1994 Chrysler vehicles If the year shown in the Current Selection field is correct highlight Current Selection and press the ENTER LD F button Proceed to step 5 to contin
46. OWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD button to continue The Ford EEC IV System menu displays Use the and buttons as necessary to make menu selections 3 From the Ford EEC IV System menu highlight Wiggle Test then press the ENTER LD button 4 When prompted by the CanOBD2 amp 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD F button to continue 5 Turn ignition key OFF and wait for the on screen prompt If you wish to exit the KOEO test at this time press the ENTER LD E button 6 Select the desired Wiggle Test from the nmm menu displayed m To perform the KOEO Wiggle Test Highlight KOEO Wiggle Test Turn ignition ON DO NOT start the engine Press the ENTER LD button to continue m To perform the Wiggle Test Highlight KOER Wiggle Test Turn the ignition ON and start the engine Press the ENTER LD F button to continue 7 A One moment please test is in progress message shows temporarily on the CanOBD2 amp 1 Scan display m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following For KOEO Wiggle Test Verify the ignition is ON Turn the ignition OFF wait 10 seconds then turn back ON to reset the computer Press the ENTER LD F button to con tinue
47. Put switch in pre mium position 7 Press the ENTER LD F button to continue 8 While codes are being retrieved a One moment please KOEO test is in progress message shows on the CanOBD2 amp 1 Scan Tool s display As soon as the ignition is turned on the vehicle s computer enters the Self Test mode Clicking sounds will be heard coming from the engine This is normal It indicates that the vehicle s computer is activating relays solenoids and other components to check their oper ation WARNING some vehicles equipped with an Electric Cooling Fan the computer activates the cooling fan to check its operation To avoid injury keep hands or any part of your body a safe distance from the engine during this test m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following Verify the ignition is ON Check the cable connections at the CanOBD2 amp 1 Scan Tool and at the vehicle s DLC Turn the ignition OFF wait 10 seconds then turn back ON to reset the computer BE SURE to perform the added procedures in step 6 if appropriate for your vehicle during code retrieval CanOBD2 amp 1 71 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES KOEO TEST Press ENTER LD F button to continue 9 If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle suc cessfull
48. S WORKSHEET PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET The purpose of this form is to help you gather preliminary information on your vehicle before you retrieve codes By having a complete account of your vehicle s current problem s you will be able to systematically pin point the problem s by comparing your answers to the fault codes you retrieve You can also provide this information to your mechanic to assist in diagnosis and help avoid costly and unnecessary repairs It is impor tant for you to complete this form to help you and or your mechanic have a clear understanding of your vehicle s problems An electronic version of this Preliminary Vehicle Diagnosis Worksheet is available online at www canOBD2 com You can complete the form online and print a copy to take to your mechanic NAME DATE VIN YEAR MAKE MODEL ENGINE SIZE VEHICLE MILEAGE VIN Vehicle Identification Number found at the base of the windshield on a metallic plate or at the driver door latch area consult your vehicle owner s manual for location TRANSMISSION Q Automatic Manual Please check all applicable items in each category DESCRIBE THE PROBLEM CanOBD2 amp 1 15 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET WHEN DID YOU FIRST NOTICE THE PROBLEM Q Just Started Started Last Week Started Last Month
49. To prolong battery life the CanOBD2 amp 1 Scan Tool automatically shuts Off approximately three minutes after it is disconnected from the vehicle The DTCs retrieved Monitor Status and Freeze Frame data if any will remain in the CanOBD2 amp 1 Scan Tool s memory and may be viewed at any time by turning the unit If the CanOBD2 amp 1 Scan Tool s batteries are removed or if the CanOBD2 amp 1 Scan Tool is re linked to a vehicle to retrieve codes data any prior codes data in its memory are automatically cleared ERASING DIAGNOSTIC TROUBLE CODES DTCs w When the CanOBD2 amp 1 Scan Tools ERASE function is used to erase DTCs from the vehicle s on board comput er Freeze Frame data and manufacturer specific enhanced data are also erased If you plan to take the vehicle to a Service Center for repair DO NOT erase the codes from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Erase DTCs from the computer s memory as follows When DTCs are erased from the vehicle s computer memo ry the Readiness Monitor Status program resets the sta tus of all Monitors to a not run flashing condition To set all of the Monitors to a DONE status an OBD 2 Drive Cycle must be performed Refer to your vehicle s service manual for information on how to perform an OBD 2 Drive Cycle for the vehicle under test 52 The CanOBD2 amp 1 Scan Too
50. Y FIRST To avoid personal injury instrument damage and or damage to your vehicle do not use the CanOBD2 amp 1 Scan Tool before reading this manual This manual describes common test procedures used by experienced service technicians Many test procedures require precautions to avoid accidents that can result in personal injury and or damage to your vehicle or test equipment Always read your vehicle s service manual and fol low its safety precautions before and during any test or serv ice procedure ALWAYS observe the following general safety precautions When an engine is running it produces carbon monox ide a toxic and poisonous gas To prevent serious injury or death from carbon monoxide poisoning operate the vehicle ONLY in a well ventilated area To protect your eyes from propelled objects as well as hot or caustic liquids always wear approved safety eye protection When an engine is running many parts such as the coolant fan pulleys fan belt etc turn at high speed To avoid serious injury always be aware of moving parts Keep a Safe distance from these parts as well as other potentially moving objects Engine parts become very hot when the engine is run ning To prevent severe burns avoid contact with hot engine parts Before starting an engine for testing or trouble shoot ing make sure the parking brake is engaged Put the transmission in park for automatic transmission or neutral for manual transm
51. alculated load value fuel pressure vehi cle speed air flow rate and intake manifold pressure If more than one malfunction is present that causes more than one DTC to be set only the code with the highest pri ority will contain Freeze Frame data The code designated 01 on the CanOBD2 amp 1 Scan Tool s display is referred to as the PRIORITY code and Freeze Frame data always refers to this code The priority code is also the one that has commanded the MIL on Sr Retrieved information can be uploaded to a Personal Computer PC with the use of an optional PC Link Kit See instructions included with PC Link program for more information 11 Determine engine system s condition by viewing the CanOBD2 amp 1 Scan Tool s display for any retrieved Diagnostic Trouble Codes code definitions Freeze Frame data and interpreting the green yellow and red LEDs m f DTC s were retrieved and you are going to perform the repairs yourself proceed by consulting the Vehicle s Service Repair Manual for testing instructions testing procedures and flow charts related to retrieved code s f you plan to take the vehicle to a professional to have it serviced complete the Preliminary Vehicle Diagnosis Worksheet on page 15 and take it together with the retrieved codes freeze frame data and LED information to aid in the troubleshooting procedure CanOBD2 amp 1 29 OBD2 Systems ERASING DIAGNOSTIC TROUBLE CODES DTCs m
52. at are used by all vehicle manu facturers The standards for generic DTCs as well as their definitions are set by the Society of Automotive Engineers SAE Manufacturer Specific DTCs are codes that are controlled by the vehicle manufacturers The Federal Government does not require vehicle manufacturers to go beyond the stan dardized generic DTCs in order to comply with the new OBD2 emissions standards However manufacturers are free to expand beyond the standardized codes to make their sys tems easier to diagnose m The 3rd character is a numeric digit It identifies the specific sys tem or sub system where the problem is located m The 4th and 5th characters are numeric digits They identify the section of the system that is malfunctioning 22 CanOBD2 amp 1 OBD2 Systems DIAGNOSTIC TROUBLE CODES DTCs OBD 2 DTC EXAMPLE P0201 Injector Circuit Malfunction Cylinder 1 B Body P 0 2 0 1 C Chassis SB P Powertrain U Network 0 Generic 1 Manufacturer Specific 2 Generic 3 Includes both Generic and Manufacturer Specific Codes Identifies the system where the problem is located 1 Fuel and Air Metering 2 Fuel and Air Metering injector circuit malfunction only 3 Ignition System or Misfire 4 Auxiliary Emission Control System 5 Vehicle Speed Control and Idle Control System 6 Computer Output Circuits 7 Transmission 8 Transmission Identifies what section of the sys
53. ation 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 96 for connection location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool s cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Toyota Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON 3 Turn ignition ON and start engine Warm engine to operating tem perature Shut engine off after warm up 4 When prompted by the CanOBD2 amp 1 Scan Tool do the following before proceeding to step 5 Turn ignition ON DO NOT start the engine 4 m Make sure throttle is closed AUN Set gear lever in park for automatic transmissions or neutral for manual transmissions m Turn off all accessories 5 Press the ENTER LD button to continue m The CanOBD2 amp 1 Scan Tool will begin the code retrieval process 6 When the CanOBD2 amp 1 Scan Tool is in the process of retrieving codes a One moment please message shows on the CanOBD2 amp 1 Scan Tool s display m if the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following Verify the ignition is ON Check the cable connections at the CanOBD2 amp 1 Scan Tool and at
54. ation supported by the vehicle under test dis plays Sr Remember what you are viewing is real time Live Data The values volts rom temperature vehicle speed system status etc for the various PIDS displayed may change as the vehicle s operating conditions change 4 A vehicle usually supports several PIDs however only a limited amount of PID data can be displayed on the screen at one time If additional PID data is available a small arrow will be shown on the display Use the the UP 2 and DOWN buttons as necessary to scroll up or down to view all available PID data CanOBD2 amp 1 37 OBD2 Live Data Mode CUSTOMIZING LIVE DATA PIDs m f communication with the vehicle is lost while viewing Live Data a Communication Lost message shows on the CanOBD2 amp 1 Scan Tool s display 5 If you experience vehicle problems view and or compare the Live Data PID information displayed on the CanOBD2 amp 1 Scan Tool to specifications in the vehi cle s repair manual Se If desired you can customize the Live Data display to show only those PIDs you are interested in viewing See Customizing Live Data PIDs below for details You may also choose to capture record Live Data for later viewing See Recording Live Data on page 39 for details 6 You can toggle back and forth between the DTC screen to view DTCs and Live Data screen to view PIDs by alternately pressing and releasing the DTC SCROLL and
55. cessful message shows temporarily on the CanOBD2 amp 1 Scan Tool s display followed by any retrieved DTCs The CanOBD2 amp 1 Scan Tool will display a code only of codes are present in the vehicle s computer memory If no codes are pres ent a No DTC s are presently stored in the vehicle s computer is displayed 6 If more than one code was retrieved press the SCROLL P button as necessary to display additional codes one at a time CanOBD2 amp 1 91 GM OBD1 Systems CODE RETRIEVAL PROCEDURE Ga In the case of long code definitions a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and buttons as necessary to view the additional information Code 12 will always be present and it has one of the following mean ings m If code 12 is the only DTC retrieved and your vehicle STARTS OK then code 12 indicates system PASS and all computer control systems are functioning properly If code 12 is present and your vehicle DOES NOT START then it may indicate a problem with the ignition control system 7 Disconnect the CanOBD2 amp 1 Scan Tool from the vehicle and turn the ignition key OFF 8 To prolong battery life the CanOBD2 amp 1 Scan Tool automatically shuts Off after approximately three minutes with no button activi ty The DTCs retrieved will remain in the CanOBD2 amp 1 Scan Tool s
56. computer m The Monitor Status icons indicate the type and number of Monitors the vehicle supports and provide indications of the cur rent status of the vehicle s Monitors A solid Monitor icon indi cates the associated Monitor has run and completed its testing A blinking Monitor icon indicates the associated Monitor has not run and completed its testing m The upper right hand corner of the display shows the number of the code currently being displayed the total A the type OOPTE de of code G Generic M Enhanced or Manufacturer specific and whether or not the displayed code commanded the MIL on If the code being displayed is a PENDING code the PENDING icon is shown The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the display 26 CanOBD2 amp 1 OBD2 Systems CODE RETRIEVAL PROCEDURE In the case of long code definitions or when viewing Freeze Frame data a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the 2 and buttons as necessary to view the addi tional information 9 Read and interpret Diagnostic Trouble Codes system condition using the display and the green yellow and red LEDs The green yellow and red LEDs are used with the LCD display as visual aids to make it easier to determine engine system
57. conditions m Green LED Indicates that all engine systems are OK and operat ing normally All Monitors supported dus h by the vehicle have formed their diagnostic testing and no trouble codes are present A zero will show on the CanOBD2 amp 1 Scan Tool s display and all Monitor icons will be solid Yellow LED Indicates one of the following conditions A A PENDING CODE IS PRESENT If the yellow LED is illuminated it may EXT UNE indicate a Pending code is present Sese e Check the CanOBD2 amp 1 Scan Tool s display for confirmation A Pending code is confirmed by the presence of a numeric code and the word PEND ING on the CanOBD2 amp 1 Scan Tool s display MONITOR NOT RUN STATUS If the CanOBD2 amp 1 Scan Tools display shows zero indicating there are no oS DTC s present in the vehicle s com puter memory but the yellow LED is illuminated it may be an indication that some of the Monitors supported by the vehicle have not yet run and completed their diagnostic testing Check the CanOBD2 amp 1 Scan Tool s display for confirmation All Monitor icons that are blinking have not yet run and completed their diagnostic testing all Monitor icons that are solid have run and completed their diagnostic testing EMISSION STATUS 6 CanOBD2 amp 1 27 OBD2 Systems CODE RETRIEVAL PROCEDURE m Red LED Indicates there is a prob
58. dark in color BLACK or GREY and are located under the hood CanOBD2 amp 1 59 Chrysler Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle See Safety Precautions on page 3 for more informa tion 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 59 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Tool s cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Chrysler Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON Set the parking brake and make sure all vehicle accessories are turned off 3 Turn the ignition O
59. data where applicable is also erased If you plan to take the vehicle to a service center for repair DO NOT erase the codes from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Erase DTC s from the computer s memory as follows 1 Connect the CanOBD2 amp 1 Scan Tool to the vehicle s DLC Press the ENTER LD button to continue 2 Turn the ignition ON DO NOT start the engine For FORD systems only first perform step 3 below then turn ignition ON and press the ENTER LD button to continue 3 Press and release the ERASE button A confirmation message shows on the CanOBD2 amp 1 Scan Tool s display f you are sure you want to proceed press the ERASE button again to erase DTCs from the vehicle s computer fyou do not want to continue with the erase process press the ENTER LD button to exit the erase function 4 If you chose to erase DTCs a status screen displays while the erase function is in progress m f the erase was successful a confir mation message shows on the CanOBD2 amp 1 Scan Tools LCD dis play press the ENTER LD but ton to exit Due to the differences in computer systems the CanOBD2 amp 1 Scan Tool can be used to erase codes for some vehicles while others require codes to be erased manually If the To erase DTC s consult the vehicle s service repair man ual screen displa
60. e Adaptor Installs on cable item 11 when connecting to a Ford OBD1 Data Link Connector 14 GM Connector Cable Adaptor Installs on cable item 11 when connecting to a GM OBD1 Data Link Connector 15 OBD II Cable Connects the CanOBD2 amp 1 Scan Tool to the vehi cle s Data Link Connector DLC when retrieving codes from OBD II systems 16 TOYOTA Connector Cable Adaptor Installs on cable item 11 when connecting to a Toyota OBD1 Data Link Connector CanOBD2 amp 1 11 CanOBD2 amp 1 Scan Tool Controls DISPLAY FUNCTIONS DISPLAY FUNCTIONS 11 12 13 T 15 om 01 Be Figure 2 Display Functions See Figure 2 for the locations of items 1 through 16 below 1 12 I M MONITOR STATUS field Identifies the I M Monitor status area This function is applicable to OBD2 systems only Monitor icons Indicate which Monitors are supported by the vehi cle under test and whether or not the associated Monitor has run its diagnostic testing Monitor status When a Monitor icon is solid it indicates that the associated Monitor has completed its diagnos tic testing When a Monitor icon is flashing it indicates that the vehi cle supports the associated Monitor but the Monitor has not yet run its diagnostic testing This function is applicable to OBD2 systems only Vehicle icon Indicates whether or not the CanOBD2 amp 1 Scan Tool is being properly powered through the vehicle
61. e CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to Live Data mode 56 CanOBD2 amp 1 Additional OBD2 Tests VEHICLE ID 2 Use the UP and DOWN buttons as necessary to highlight Available Modules then press the ENTER LD amp button A One moment please message dis plays while the requested information is retrieved from the vehicle s computer 4 When the retrieval process is complet ed a complete list of modules support ed by the vehicle under test is shown on the CanOBD2 amp 1 Scan Tool s display Use the UP and DOWN but tons as necessary to view the entire list 5 When you have finished viewing the list of available modules press the ENTER LD button to return to Live Data mode CanOBD2 amp 1 57 Chrysler Jeep OBD1 Systems CHRYSLER JEEP OBD1 SYSTEMS CHRYSLER JEEP OBD1 SYSTEMS Chrysler Motors On Board Computer Systems Chrysler Motors introduced its first electronic fuel injected vehicle in late 1983 The on board computer management systems used on Chrysler vehicles have evolved over the years and their names have changed accordingly 1983 87 The on board computer used in these vehicles is a split system composed of two separate units the Logic Module and the Power Module The Logic Module contains a microprocessor which processes data received from sensors located throughout the vehicle and makes decisions based on
62. e factory all Monitors indi cate a HAVE RUN status This indicates that all Monitors have run and completed their diagnostic testing The HAVE RUN status remains in the computer s memory unless the Diagnostic Trouble Codes are erased or the vehicle s com puter memory is cleared The CanOBD2 amp 1 Scan Tool allows you to retrieve Monitor System Status Information to help you determine if the vehicle is ready for an Emissions Test Smog Check In addition to retrieving Diagnostic Trouble Codes the CanOBD2 amp 1 Scan Tool also retrieves Monitor Run Not Run status This information is very important since different areas of the state country have different emissions laws and regulations concerning Monitor Run Not Run status Before an Emissions Test Smog Check can be performed your vehi cle must meet certain rules requirements and procedures legislated by the Federal and state country governments where you live 1 In most areas one of the requirements that must be met before a vehicle is allowed to be Emissions Tested Smog Checked is that the vehicle does not have any Diagnostic Trouble Codes present with the exception of PENDING Diagnostic Trouble Codes 2 In addition to the requirement that no Diagnostic Trouble Codes be present some areas also require that all the Monitors that a partic ular vehicle supports indicate a Has Run status condition before an Emissions Check may be performed 3 Other areas may only
63. e library of OBD2 DTC definitions Select Language Sets the display language for the CanOBD2 amp 1 Scan Tool to English French or Spanish Unit of Measurement Sets the Unit of Measure for the CanOBD2 amp 1 Scan Tool s display to USA or metric m Menu Exit Exits MENU Mode CanOBD2 amp 1 5 About the CanOBD2 amp 1 Scan Tool ADJUSTMENTS SETTINGS AND DTC LIBRARY Adjustments and settings can be made only when the CanOBD2 amp 1 Scan Tool is NOT connected to a vehicle To enter the MENU Mode 1 2 3 With the CanOBD2 amp 1 Scan Tool OFF press and hold the UP button then press and release the POWER LINK button The Setup Menu displays Release the UP e button DO NOT release the UP e button until the Setup Menu is visible on the display Make adjustments and settings as described in the following para graphs Adjusting Display Brightness 1 Press the UP button to decrease Press the DOWN button to increase Use the UP and DOWN but tons as necessary to highlight Adjust Brightness in the Setup Menu then press the ENTER LD button m The Adjust Brightness screen dis plays m The Brightness field shows the cur rent brightness setting from 0 to 43 the brightness of the display make the display darker the brightness of the display make the display lighter When the desired brightness is obtained press the ENTER LD button t
64. e your fingers 3 Replace batteries with three AA size batteries for longer life use Alkaline type batteries 4 Reinstall the battery cover on the back of the CanOBD2 amp 1 Scan Tool Language Selection After Battery Installation The first time the unit is turned on you must select the desired display language English French or Spanish as follows 1 Press and hold the POWER LINK button for approximately 3 seconds to turn the CanOBD2 amp 1 Scan Tool ON m The Select Language screen displays 2 Use the UP e and DOWN buttons as necessary to highlight the desired display language 3 When the desired display language is selected press the ENTER LD button to confirm your selection w After the initial language selection is performed it as well as other settings can be changed as desired Proceed to ADJUSTMENTS SETTINGS AND DTC LIBRARY below for further instructions ADJUSTMENTS SETTINGS AND DTC LIBRARY The CanOBD2 amp 1 Scan Tool lets you make several adjustments and settings to configure the tool to your particular needs It also contains an OBD2 DTC Library that allows you to search for DTC definitions The following functions adjustments and settings can be performed when the CanOBD2 amp 1 Scan Tool is in MENU Mode Adjust Brightness Adjusts the brightness of the display screen Display Backlight Turns the display backlight on and off DTC Library Lets you search th
65. eeling position outside the c ASHTRAY LEFTCORNER OF DASH vehicle with the door open GEDASH CanOBD2 amp 1 21 OBD2 Systems DIAGNOSTIC TROUBLE CODES DTCs On some Asian and European vehicles the DLC is located behind the ashtray the ashtray must be removed to access it or on the far left corner of the dash If the DLC cannot be located consult the vehicle s service manual for the location DIAGNOSTIC TROUBLE CODES DTCs Diagnostic Trouble Codes DTCs are meant to guide you to the proper serv Diagnostic Trouble ice procedure in the vehicle s service Codes DTCs are manual DO NOT replace parts based codes that identify a only on DTCs without first consulting specific problem area the vehicle s service manual for prop er testing procedures for that particular system circuit or component DTCs are alphanumeric codes that are used to identify a problem that is present in any of the systems that are mon itored by the on board computer PCM Each trouble code has an assigned message that identifies the circuit compo nent or system area where the problem was found OBD 2 diagnostic trouble codes are made up of five charac ters m The 1st character is a letter It identifies the main system where the fault occurred Body Chassis Powertrain or Network m The 2nd character is a numeric digit It identifies the type of code Generic or Manufacturer Specific Generic DTCs are codes th
66. ently per formed tests from the on board computer s memory You may retrieve non continuous test results for only one test at any given time 1 From the Mode Selection Menu use the UP and DOWN buttons as nec essary to highlight Non Continuous Test then press the ENTER LD button m The Select Test screen displays The screen shows all tests applicable to the vehicle under test Refer to the vehicle s service repair manual for infor mation related to non continu ous tests If non continuous tests are not supported by the vehicle under test an advisory message shows on the CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to the Mode Selection menu 2 Use the UP and DOWN but tons as necessary to highlight the desired test then press the ENTER LD button 3 A One moment please message diplays while the request is sent to the vehicle s on board computer 4 When test results have been retrieved data for the selected test will show on the CanOBD2 amp 1 Scan Tool s display The display shows the follow ing information CanOBD2 amp 1 53 Additional OBD2 Tests SYSTEM TEST m Test ID number Module ID number m Component ID number m Min or Max test limit Only one test limit either Min or Max is shown for any given test m Test Value and status Status is calculated by the CanOBD2 amp 1 Scan Tool by comparing the Test Value a
67. er the repeat Cylinder Balance tests have completed the computer will iden tify which cylinder or cylinders are not contributing equally and will send this information to the CanOBD2 amp 1 Scan Tool s display m f any weak cylinders are identified consult the vehicle s service repair manual to perform further testing and or repairs Relay and Solenoid Test Output State Check The Output State Check is a special program in the vehicle s com puter that allows the user to energize turn ON and de energize turn OFF on command most of the actuators relays and solenoids that are controlled by the computer Use this test to check computer output voltages and relay solenoid operation CanOBD2 amp 1 81 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS RELAY AND SOLENOID TEST The fuel injectors and fuel pump are not energized during this test Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle Read and follow Safety Precautions on page 3 before per forming this test 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached t
68. for details then press and hold the ENTER LD button until the Mode Selection Menu appears The following functions are available from the Mode Selection Menu m Live Data Menu Displays the Live Data Menu from which you can choose to record customize and play back Live Data see the Live Data Mode section beginning on page 37 for more informa tion W O2 Sensor Test Retrieves and displays O2 sensor monitor test results from your vehicle s on board computer m Non Continuous Test Retrieves and displays test results for emission related powertrain components and systems that are not continuously monitored m System Test Performs a leak test for the vehicle s EVAP system m Vehicle ID Retrieves the vehicle s VIN number calibration ID s and other related information and lets you view a listing of available modules for the vehicle O2 SENSOR TEST OBD2 regulations require that applicable vehicles monitor and test operation of the oxygen O2 sensors to identify problems that can affect fuel efficiency and vehicle emissions These tests are performed automatically when engine operating conditions are within predefined limits Results of these tests are stored in the on board computer s memory The O2 Sensor Test function lets you retrieve and view O2 sensor monitor test results for the most recently completed tests from your vehicle s on board computer Vehicles are equipped with multiple O2 sensors O2 sensor
69. fore You Begin on page 18 for details Se ALWAYS observe safety precautions whenever working on a vehicle Read and follow Safety Precautions on page 3 before performing this test m The vehicle must pass the Engine Timing Check page 73 before performing this test 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD button to continue The Ford EEC IV System menu dis plays Use the and buttons as necessary to make menu selec tions 3 From the Ford EEC IV System menu highlight KOER Test then press the ENTER LD button 4 When prompted by the CanOBD2 amp 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD button to continue 5 Turn off all vehicle accessories then turn ignition key OFF and wait for the on screen prompt If you wish to exit the KOER test at this time press the ENTER LD button 76 CanOBD2 amp 1 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES KOER TEST 6 When prompted by the CanOBD2 am
70. formation Menu dis plays CanOBD2 amp 1 55 Additional 0 PP Tests VEHICLE ID If the Vehicle ID function is not supported by the vehicle under test an advisory message shows on the CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to the Mode Selection menu 2 Use the UP and DOWN buttons as necessary to highlight Vehicle ID then press the ENTER LD button 3 A One moment please message dis plays while the requested information is retrieved from the vehicle s computer The first time the Vehicle ID function is used it may take sev eral minutes to retrieve the information from the vehicle s computer 4 When the retrieval process is complet ed the vehicle ID information is shown on the CanOBD2 amp 1 Scan Tool s display Use the UP and DOWN but tons as necessary to view the entire list 5 When you have finished viewing the retrieved vehicle ID information press the ENTER LD button to return to Live Data mode Viewing Available Modules The CanOBD2 amp 1 Scan Tool can retrieve a list of modules supported by the vehicle under test 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Vehicle ID then press the ENTER LD button m The Vehicle Information Menu dis plays If the Vehicle ID function is not supported by the vehicle under test an advisory message shows on th
71. fuel to one injec tor at a time this can t be accomplished on the other systems because they fire in groups of two ore more injectors Cylinder Balance Test Procedure Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle Read and follow Safety Precautions on page 3 before performing this test 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 68 for connector location Some DLCs have a plastic cover that must be removed before connecting the CanOBD2 amp 1 Scan Tool cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD F button to continue The Ford EEC IV System menu displays Use the and buttons as necessary to make menu selections CanOBD2 amp 1 79 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS CYLINDER BALANCE TEST 3 From the Ford EEC IV System menu highlight Cylinder Balance Test then press the ENTER LD F button m An application advisory message shows on the CanOBD2 amp 1 Scan Tool s display m f your vehicle IS equipped with the Sequential Fuel Injection press the ENTER LD button t
72. g m Lightly press the accelerator pedal again as described in step 7 above 80 CanOBD2 amp 1 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS RELAY AND SOLENOID TEST Check your vehicle s fuel injection system and make sure that it is a Sequential Electronic Fuel Injection SEFI system This test is applicable only to SEFI or SFI systems 9 After the Cylinder Balance Test is com pleted the test results are sent to the CanOBD2 amp 1 Scan Tool m The computer compares the power contribution that each cylinder makes to engine operation 10 If all cylinders are contributing equally the computer determines that power dis tribution is normal and a System Pass message will display If the computer detects a prob lem with a cylinder s when performing the initial Cylinder Balance Test it needs to repeat M the test two more times to properly determine which cylinder or cylinders are malfunctioning If this is the case the CanOBD2 amp 1 Scan Tool will display the Lightly press the accelerator half way and release message again instead of the System Pass Proceed to step 11 11 If a cylinder is not contributing at the same level as the other cylin ders the computer prompts you to repeat the test two more times by displaying the Lightly press the accelerator half way and release message again Each time the message displays perform the procedures as instructed 12 Aft
73. gainst the displayed test limit either Min or Max Status is shown as either Low High or OK 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button to return to the Select Test screen SYSTEM TEST The System Test function lets you initiate a leak test for the vehicle s EVAP system The CanOBD2 amp 1 Scan Tool does not perform the leak test but signals the vehicle s on board computer to initiate the test The vehicle manufacturer determines the criteria and method for stopping the test once it has been started BEFORE using the System Test function refer to the vehicle s service repair manual to determine the procedures necessary to stop the test 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight System Test then press the ENTER LD button m The System Test Menu displays 2 Use the UP and DOWN but tons as necessary to highlight EVAP Leak Test then press the ENTER LD button 3 A One moment please message dis plays while the request is sent to the vehicle s on board computer 54 CanOBD2 amp 1 Additional OBD2 Tests VEHICLE ID Some vehicle manufacturers do not allow CanOBD2 amp 1 Scan Tools or other external devices to con trol vehicle systems If the EVAP Leak Test is not supported by the vehicle under test an advisory message
74. ght m If a PENDING Diagnostic Trouble Code is causing the yellow LED to row OY H light it is possible that the vehicle will so be allowed to be tested for emissions and certified Currently most areas states will allow an Emissions Test Smog Check to be performed if the only code in the vehicle s computer is a PENDING Diagnostic Trouble Code m If the illumination of the Yellow LED is being caused by monitors that have SES 09 not their diagnostic testing then the issue of the vehicle being ready for an Emissions Test Smog Check depends on the emissions regula tions and laws of your local area 34 CanOBD2 amp 1 OBD2 Systems I M READINESS TESTING Some areas require that all Monitors indicate a Has Run sta tus before they allow an Emissions Test Smog Check to be performed Other areas only require that some but not all Monitors have run their self diagnostic testing before an Emissions Test Smog Check may be performed From the code retrieval procedure determine the status of each Monitor a solid Monitor icon shows Monitor Has Run status a flashing Monitor icon indicates Has Not Run sta tus Take this information to an emissions professional to determine based on your test results if your vehicle is ready for an Emissions Test Smog Check 3 RED LED Indicates there is a problem with one or more of the vehicle s sys
75. ghted 2 Press the UP or DOWN button as necessary to highlight the desired display language 3 When the desired display language is highlighted press the ENTER LD F button to save your changes and return to the Setup Menu Setting the Unit of Measurement 1 Use the UP and DOWN but tons as necessary to highlight Unit of Measure in the Setup Menu then press the ENTER LD button 2 Press the UP or DOWN button as necessary to highlight the desired Unit of Measure 3 When the desired Unit of Measure value is selected press the ENTER LD button to save your changes and return to the Setup Menu 8 CanOBD2 amp 1 About the CanOBD2 amp 1 Scan Tool ADJUSTMENTS SETTINGS AND DTC LIBRARY Exiting the MENU Mode 1 Use the UP and DOWN buttons as necessary to highlight Menu Exit in the Setup Menu then press the ENTER LD but ton m f diagnostic data IS currently stored in the CanOBD2 amp 1 Scan Tool s memory the stored data is shown on the display m f diagnostic data IS NOT currently stored in the CanOBD2 amp 1 Scan Tool s memory the Linking Instructions screen is shown on the display CanOBD2 amp 1 CanOBD2 amp 1 Scan Tool Controls CONTROLS AND INDICATORS CONTROLS AND INDICATORS Figure 1 Controls and Indicators See Figure 1 for the locati
76. icle is registered in a rural area the stricter dynamometer type test may not be required I M Readiness Monitors I M Readiness shows whether the various emissions related systems on the vehicle are operating properly and are ready for Inspection and Maintenance testing State and Federal Governments enacted Regulations Procedures and Emission Standards to ensure that all emissions related components and systems are continuously or periodically monitored tested and diagnosed whenever the vehicle is in operation It also requires vehi cle manufacturers to automatically detect and report any problems or faults that may increase the vehicle s emissions to an unacceptable level The vehicle s emissions control system consists of several compo nents or sub systems Oxygen Sensor Catalytic Converter EGR Fuel System etc that aid in reducing vehicle emissions To have an efficient Vehicle Emission Control System all the emis sions related components and systems must work correctly whenever the vehicle is in operation To comply with State and Federal Government regulations vehicle manufacturers designed a series of special computer programs called Monitors that are programmed into the vehicle s computer Each of these Monitors is specifically designed to run tests and diagnostics on a specific emissions related component or system Oxygen Sensor Catalytic Converter EGR Valve Fuel System etc to ensure their proper operati
77. in the troubleshooting of vehicle problems 78 CanOBD2 amp 1 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS CYLINDER BALANCE TEST Cylinder Balance Test Vehicles equipped with Sequential Electronic Fuel Injected SEFI systems only The Cylinder Balance Test assists in finding a weak or noncontributing cylinder The computer shuts off fuel cuts off power to injectors to each cylinder in sequence and monitors for RPM changes drop Based on this information the computer determines if all the cylinders are contributing power equally for proper engine operation or if some cylinders are only contributing partially or not contributing at all SEFI Introduction Sequential Electronic Fuel Injection SEFI belongs to a family of fuel injection systems called Multi port Multipoint Fuel Injection Multi port MFI fuel injection systems contain one fuel injector per cylinder and the vehicle s computer electronically controls their operation On some multi port fuel injection systems the injectors all fire at the same time and at every engine revolution On other systems the injectors fire in groups and or at every other engine revolution What distinguishes Sequential Electronic Fuel Injection systems from other multi port fuel injection systems is that each injector is independently energized and fires sequentially one after the other in the proper firing order This gives the vehicle s computer more control to cut the
78. ipped with similar on board computer systems 58 CanOBD2 amp 1 Chrysler Jeep OBD1 Systems VEHICLES COVERED PANEL INDICATOR LIGHTS DLC VEHICLES COVERED This section covers Chrysler fuel injected vehicles from 1983 1995 Model Type Year Model Passenger 1983 1995 Chrysler Dodge and Plymouth Fuel Cars Injected Models Only Excluding Lasor Talon 1 8L 2 0L ALL YEARS 1990 Monaco Premier Light Truck 1987 1995 Chrysler Dodge and Plymouth Fuel and Vans Injected Models Only 1992 1995 Diesel Models Jeep 1993 1995 Jeep Fuel Injected Models Only INSTRUMENT PANEL INDICATOR LIGHTS Your vehicle s instrument panel has either a Power Loss Check Engine or Malfunction Indicator Lamp depending on the year of the vehicle These lights are designed to warn you of component malfunc tions POWER CHECK MALFUNCTION LOSS ENGINE ETT If your instrument panel indicator lights do not come on when you turn on the ignition please refer to your vehicle s service manual You may have problems in the car s circuitry It is rec ommended that you fix these problems before retrieving DTC s from your vehicle s computer DATA LINK CONNECTOR DLC Chrysler vehicles are equipped with spe cial test connectors that make it possible to connect specialized testing equipment that communicates with the vehicle s on board computer Chrysler s vehicle test connec tors are usually
79. ir Resources Board CARB and later the Federal Government s Environmental Protection Agency EPA required vehicle manufacturers to include a self diagnos tic program capable of identifying an emissions related fault via the vehicles On Board Computers some manufacturers used OBD before it was required The first generation of Onboard Diagnostics came to be known as OBD 1 e is a set of self testing or self diagnosing instructions that are programmed into the vehicle s on board computer e The program is specifically designed to detect failures in the sen Sors actuators switches and wiring of the various vehicle emis sions related systems fuel injection system ignition system EGR system catalytic converter etc If the computer detects a failure in any one of these components or systems it alerts the driver by illuminating the Check Engine light on the dash e The computer also assigns a numeric code OBD systems uti lized a 2 or 3 digit code for each specific problem that it detects and stores these codes in it s memory for later retrieval The codes can be retrieved from the computer s memory with the use of a device called a Tool or a Scan Tool With the exception of some 1994 and 1995 vehicles most vehicles from about 1982 to 1995 are equipped with OBD 1 systems VEHICLES COVERED The following tables identify the Toyota and Lexus OBD 1 vehicles that are covered by the CanOBD2 amp 1 Scan Tool D
80. ission Block the drive wheels with suitable blocks Connecting or disconnecting test equipment when the ignition is ON can damage test equipment and the vehi cle s electronic components Turn the ignition OFF before connecting the CanOBD2 amp 1 Scan Tool to or dis connecting the CanOBD2 amp 1 Scan Tool from the vehi cle s Data Link Connector DLC CanOBD2 amp 1 3 Safety Precautions SAFETY FIRST To prevent damage to the on board computer when tak ing vehicle electrical measurements always use a digi tal multimeter with at least 10 megOhms of impedance Fuel and battery vapors are highly flammable To pre vent an explosion keep all sparks heated items and open flames away from the battery and fuel fuel vapors DO NOT SMOKE NEAR THE VEHICLE DUR ING TESTING Don t wear loose clothing or jewelry when working on an engine Loose clothing can become caught in the fan pulleys belts etc Jewelry is highly conductive and can cause a severe burn if it makes contact between a power source and ground CanOBD2 amp 1 About the CanOBD2 amp 1 Scan Tool BATTERY INSTALL REPLACEMENT ADJUSTMENTS SETTINGS amp DTC LIBRARY BATTERY INSTALLATION REPLACEMENT Replace batteries when the battery symbol is visible on display and or the 3 LEDS are all lit and no other data is visible on screen 1 Locate the battery cover on the back of the 2 amp 1 Scan Tool 2 Slide the battery cover off us
81. l must be connected to the vehicle s DLC to erase the codes from the com puters memory If you press the ERASE button when the CanOBD2 amp 1 Scan Tool is not con nected to the vehicle s DLC the erase instruction screen displays 1 If not connected already connect the CanOBD2 amp 1 Scan Tool to the vehicle s DLC and turn the ignition If the CanOBD2 amp 1 Scan Tool is already con nected and linked to the vehicle s com puter proceed directly to step 4 If not continue to step 2 2 Turn the ignition ON DO NOT start the engine Press and release the POWER LINK button to establish communication with the vehicle s com puter 30 CanOBD2 amp 1 OBD2 Systems I M READINESS TESTING 3 Press and release the ERASE but ton A confirmation message shows on the LCD display f you are sure you want to proceed press the ERASE button again to erase DTCs from the vehicle s com puter f you do not want to continue with the erase process press the POWER LINK button to exit the erase mode 4 If you chose to erase DTCs a progress screen displays while the erase function is in progress m If the erase was successful a confir mation message shows on the dis play Press the POWER LINK button to return to the DTC screen f the erase was not successful an advisory message shows on the dis play Verify that the CanOBD2 amp 1 Scan Tool is properly connected to the vehicle s DLC and tha
82. lete a confir mation screen displays asking if you would like to view the recorded data Use the UP and DOWN but tons as necessary to select Yes or No as desired then press the ENTER LD F button If Yes is selected the CanOBD2 amp 1 Scan Tool enters Playback mode from which you can view a frame by frame playback of recorded Live Data see Live Data Playback on page 44 for details If No is selected the display returns to the Live Data View mode 9 You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD 9 button until the Mode Selection Menu displays If desired you can transfer the recorded Live Data informa tion to a personal computer using the optional PC LINK pro gram see instructions included with PC Link for more infor mation Record by Manual Trigger This option lets you select the precise time at which the Live Data recording will occur Record by Manual Trigger can be a very valuable diagnostic tool when troubleshooting intermittent problems that do not meet the requirements for a DTC to set Even though a DTC is not present the intermittent problems will sometimes manifest themselves briefly for a few fractions of a second and or only at certain vehicle speeds or vehicle operating conditions CanOBD2 amp 1 41 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA 1 With the CanOBD2 amp 1 Scan Tool in Live Data mode see Viewi
83. ly 1980 s to 1995 are equipped with what is known as the first generation of On Board Diagnostics or OBD1 m f your Chrysler Jeep Ford GM or Toyota vehicle 1995 and older is equipped with an OBD1 System proceed to the proper section as indicated below for a detailed application list and code retrieval procedures m CHRYSLER JEEP page 58 B FORD RR nes page 64 B GM RN Redes page 87 B TOYOTA page 93 OBD2 SYSTEMS ALL 1996 and newer cars and light trucks under 8500 GW sold in the U S are equipped with what is known as the second generation of On Board Diagnostics or OBD2 m f your vehicle 1996 and newer is equipped with an OBD2 System proceed to the OBD2 SYSTEMS section on page 21 for a detailed application list code retrieval procedures Monitor status and Freeze Frame data information 20 CanOBD2 amp 1 OBD2 Systems VEHICLES COVERED VEHICLES COVERED The CanOBD2 amp 1 Scan Tool is designed to work on all OBD 2 compli ant vehicles 1996 and newer vehicles cars and light trucks sold in the United States are OBD 2 compliant Federal law requires that all 1996 and newer cars and light trucks sold in the United States must be OBD 2 compliant this includes all Domestic Asian and European vehicles Some 1994 and 1995 vehicles are OBD 2 compliant To find out if a 1994 or 1995 vehicle is OBD 2 compliant check the following
84. molded housing EEC IV 2 Small single pin female connector TEST CONNECTOR Sp 1988 and newer vehicles may have more than one similar connector for other systems i e Anti Lock Brakes Only the connector CODE with an extra single pin is 7 READER the correct test connector for computer service codes use If you have any questions about the correct connector please refer to your vehicle s service manual for detailed information 68 CanOBD2 amp 1 Ford OBD1 Systems DIAGNOSTIC TROUBLE CODES CODE RETRIEVAL PROCEDURES OVERVIEW DIAGNOSTIC TROUBLE CODES DTCs Diagnostic Trouble Codes or Fault Codes can be used to identify engine systems or components that are malfunctioning The computer records codes for two types of problems m Hard Diagnostic Trouble Codes Hard DTCs represent problems which are happening now and cause the instrument panel Malfunction Indicator Lamp MIL or Check engine light to illuminate and remain on until the failure is repaired A DTC is stored in the vehicle s computer memory for each fault detected A Tool or Scanner can be used to retrieve DTCs that are stored in the vehicle s computer memory m Intermittent History DTCs Intermittent History DTCs are stored in the computer s memory for problems that occur intermittently or for problems that happened in the past but are not currently present Intermittent DTCs may cause the Malfunc
85. n to a personal computer using the optional PC LINK program see instructions included with PC Link for more information Important Information 1 When Live Data capture is complete the green yellow and red LEDs on the CanOBD2 amp 1 Scan Tool will flash four times to indicate that Live Data is being saved to the CanOBD2 amp 1 Scan Tool s memory 2 When you are LINKED to a vehicle and you are in the Live Data View mode you can toggle between Live Data View mode and DTC view mode by alternately pressing and releasing the DTC CanOBD2 amp 1 43 OBD2 Live Data Mode LIVE DATA PLAYBACK SCROLL or the ENTER LD buttons The CanOBD2 amp 1 Scan Tool will stay linked to the vehicle s computer during this process However if the DTC SCROLL button is pressed twice the DTC screen will be advanced to the next DTC screen and the CanOBD2 amp 1 Scan Tool will be taken out of link LIVE DATA PLAYBACK Once Live Data has been recorded it is saved in the CanOBD2 amp 1 Scan Tool s memory You can view recorded Live Data immediately after recording by selecting Yes from the Record Live Data confirma tion screen see Recording Live Data on page 39 for more informa tion or you can view it later using the Playback function 1 If the Code Reader is connected to a vehicle m With the CanOBD1 amp 1 Scan Tool in Live Data mode see Viewing Live Data on page 37 for details press and hold the ENTER LD button until
86. nOBD2 amp 1 Scan Tool s cable connector 2 Connect the CanOBD2 amp 1 Scan Tool cable with the GM Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicles DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD F button to continue 3 Select the model year of the vehicle from which you wish to retrieve codes If a previous vehicle selection is currently saved in the CanOBD2 amp 1 Scan Tool s memory the Current Selection Select New Vehicle menu displays If no previous vehicle selection is stored in the CanOBD2 amp 1 Scan Tool s memory Select Vehicle Year menu displays Use the and buttons as necessary to make menu selections m To retrieve DTCs from the vehicle selection currently in the CanOBD2 amp 1 Scan Tool s memory From the Current Selection Select New Vehicle screen high light Current Selection turn igni tion key ON DO NOT start engine and press the ENTER FF button Proceed to step 5 to continue To retrieve DTCs from a new vehicle From the Current Selection Select New Vehicle screen high light Select New Vehicle and press the ENTER LD button the Select Vehicle Year menu dis plays Highlight the desired year then press the ENTER LD button the Enter the 8th digit of VIN menu displays Highlight the 8th digit of the vehi cles VIN then press the
87. nect the CanOBD2 amp 1 Scan Tool from the vehicle CanOBD2 amp 1 GM OBD1 Systems YOUR VEHICLE S COMPUTER SYSTEM VEHICLES COVERED YOUR VEHICLE S COMPUTER SYSTEM Today s vehicles are equipped with computer self testing abilities that can locate problems in your vehicle and store them as Diagnostic Trouble Codes DTC s in the vehicle s onboard computer The CanOBD2 amp 1 Scan Tool allows you access to the computer s memory and retrieves the DTC s VEHICLES COVERED The CanOBD2 amp 1 Scan Tool may be used to retrieve engine service codes from most General Motors GM and Saturn domestic cars and trucks EXCEPT Geo Nova and Sprint Model Year Model 1982 93 Century Electra Electra Wagon Estate Wagon Le Sabre Le Sabre Wagon Park Avenue Reatta Regal Grand National Riviera Road master Skyhawk Skylark Somerset Cadillac De Ville El Dorado Fleetwood Seville Chevrolet Berreta Camaro Caprice Cavalier Celebrity Chevette Citation Corisca Corvette El Camino Impala Lumina Monte Carlo Oldsmobile Achieva Calais Custom Cruiser Cutlass Calais Ciera Cutlass Cruiser Cruiser Wagon Cutlass Supreme Supreme Classic Delta 88 Eighty eight Firenze Ninety eight Omega Toronado Touring Sedan Trofeo Pontiac 6000 6000 STE Bonneville Fiero Firebird Grand Am Grand Prix J 2000 Lemans J Parisienne Phoenix Safari Safari Wagon Sunbird T 1000 Saturn
88. ng DTCs m HISTORY DTC On some vehicles the computer will keep a record or history of DTCs that relate to problems that happened in the past but are no longer present These DTCs will not com mand the MIL or Check Engine light On but the yellow LED will be illuminated 4 Red LED Indicates there is a problem with one or more of the vehicle s sys tems The red LED is also used to indi cate that DTC s are present displayed on the CanOBD2 amp 1 Scan Tool s screen In this case the MIL or Check Engine light on the vehicle s instrument panel will be illuminated m f DTC s were retrieved and you are going to perform the repairs yourself proceed by consulting the vehicle s service repair man ual for testing instructions testing procedures and flow charts related to retrieved code s B f you plan to take the vehicle to a professional to have it serv iced complete the Preliminary Vehicle Diagnosis Worksheet on page 15 and take it together with the retrieved codes and LED information to aid in the Troubleshooting procedure SP Retrieved information can be uploaded to a Personal Computer PC with the use of an optional PC Link Kit For more information see instructions included with PC Link software CanOBD2 amp 1 101 Erasing DTCs ERASING DTCs OBD I SYSTEMS When the CanOBD2 amp 1 Scan Tool s ERASE function is used to erase DTCs from the vehicle s on board comput er manufacturer specific
89. ng Live Data on page 37 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the UP and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP 2 and DOWN but tons as necessary to highlight Record Live Data then press the ENTER LD button The Record Live Data Menu dis plays 4 Use the UP and DOWN buttons as necessary to highlight Record by manual trigger then press the ENTER LD button 5 When the Record by Manual Trigger screen displays select the desired trigger point as follows The CanOBD2 amp 1 Scan Tool is capable of recording approxi mately 20 frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the CanOBD2 amp 1 Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC was set after the event or in the mid dle 10 frames before and 10 frames after the event m Beginning records approximately 20 frames of Live Data after the ENTER LD button was pressed m Middle records approximately 10 frames of Live Data before and 10 frames after the ENTER LD but ton was pressed m End records approximately 20 frames of Live Data before the ENTER LD button was pressed 6 Use the UP 2 and DOWN butt
90. ng and repair procedures outlined in the vehicle s service repair manual to correct hard DTCs Codes should be addressed and eliminated in the order they were received erasing see Erasing DTC s on page 102 and retesting after each repair is made to be sure the fault was eliminated The green yellow and red LEDs are used with the LCD dis play as visual aids to make it easier to determine engine sys tem conditions See Servicing Diagnostic Trouble Codes on page 100 for information on interpreting LEDs and servic ing DTCs CanOBD2 amp 1 63 Ford OBD1 Systems FORD COMPUTER SYSTEM OVERVIEW VEHICLES COVERED FORD COMPUTER SYSTEM OVERVIEW The CanOBD2 amp 1 Scan Tool is compatible only with EEC IV Computer Control systems IMPORTANT When the computer is in Self Test mode is testing the sensors or actuators for proper operation it relies on voltage signals that is sends to and or receives from the sensors or actuators to determine whether or not these com ponents are operating properly The sensors and actuators are all connected to the computer by wires If any defects are present in any part of the circuit that connects these devices to the computer such as defective connectors or wires faulty grounds improper voltage shorts etc the voltage signal that the computer receives from these devices will be affect ed The computer has no way of determining if the improper voltage signal is being caused by a defect in
91. ng the CanOBD2 amp 1 Scan Tool s display for any retrieved Diagnostic Trouble Codes code definitions and interpreting the green yellow and red LEDs The green yellow and red LEDs are used with the display as visual aids to make it easier to determine engine system conditions 2 Green LED Indicates that all engine systems are OK and operating nor mally No trouble codes are present If you are not experiencing any vehicle problems NO FURTHER TESTING IS REQUIRED m f you are still experiencing vehicle problems even through the green LED illuminates the problem is not in the computer control systems See the NO CODES trou bleshooting section of your vehicle s repair manual for further troubleshooting instructions 3 Yellow LED Indicates an Intermittent or History DTC is present Intermittent History DTCs are stored in the computer s memory for problems that occur intermittently or for problems that happened in the past but are not currently present Intermittent DTCs may cause the Malfunction Indicator light to flicker or stay on until the intermittent mal function goes away However the corresponding fault code will be stored in memory as a history DTC If the malfunction that caused the history DTC to set does not recur within a predetermined length of time usually within 40 80 ignition key start cycles the computer will auto matically erase the related fault code from its memory 100 CanOBD2 amp 1 Servici
92. ng the CanOBD2 amp 1 Scan Tool s DLC Use the round head of the Toyota Connector Cable Adaptor on vehicles with this type of connector INSTRUMENT PANEL MALFUNCTION INDICATOR LIGHTS MIL Your vehicle s instrument panel has a Malfunction Indicator Light MIL also called the Check Engine or Service Engine soon light The MIL is an indicator to warn the vehicle operator of a problem in the com puter control system CHECK ENGINE SOON 96 CanOBD2 amp 1 Toyota Lexus OBD1 Systems DIAGNOSTIC TROUBLE CODES CODE RETRIEVAL PROCEDURE If your instrument panel indicator lights do not come on when you turn on the ignition please refer to your vehicle s service manual You may have problems in the car s circuitry It is rec ommended that you fix these problems before retrieving DTCs from your vehicle s computer DIAGNOSTIC TROUBLE CODES Diagnostic Trouble Codes or Fault Codes can be used to identify engine systems or components that are malfunctioning The computer records codes for the following two types of engine problems Hard Diagnostic Trouble Codes Hard DTCs represent problems that are occurring now and cause the instrument panel Malfunction Indicator Lamp MIL or Check Engine light to illuminate and remain on until the failure is repaired A DTC is stored in the vehicle s computer memory for each fault detected A Tool or Scanner can be used to retrieve DTCs that are stored in the vehi cle s computer mem
93. nge of 27 to 33 BTDC Base timing specifications can be found on the Vehicle Emission Control Information VECI decal The decal is located under the hood or near the radiator If the VECI decal is missing or damaged refer to your vehicle s service repair manual for specifications 9 If timing light readings are within the acceptable range m Base timing and the vehicle computer s ability to advance timing are working properly m Proceed to the KOER Self Test below 10 If timing light readings are not within the acceptable range m Base timing may be out of adjustment or the computer may have problems with the timing advance circuit m Refer to the vehicle s service repair manual for procedures on adjusting and or repairing ignition timing Repairs to ignition tim ing must be made before proceeding to the KOER Test CanOBD2 amp 1 75 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES KOER TEST Key on Engine Running KOER Self Test IMPORTANT The KOEO Self Test page 70 must be per formed first and a pass code code 11 or 111 must be obtained before performing the KOER Self Test otherwise results of the KOER Self Test may be invalid SP Ignition timing and timing advance must be operating proper ly in order for the KOER Self Test results to be considered valid Perform an Engine Timing check page 73 before per forming the KOER Self Test Check your vehicle thoroughly before performing any test See Be
94. not currently present Intermittent DTCs may cause the Malfunction Indicator light to flicker or stay on until the intermittent mal function goes away However the corresponding fault code will be stored in memory as a history DTC If the malfunction that caused the history DTC to set does not recur within a predetermined length of time usually within 40 80 ignition key start cycles the computer will auto matically erase the related fault code from its memory CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle See Safety Precautions on page 3 for more infor mation 1 Locate the vehicle s Data Link Connector DLC See Data Link Connector DLC on page 88 for connector location CanOBD2 amp 1 89 GM OBD1 Systems CODE RETRIEVAL PROCEDURE Some DLCs have a plastic cover that must be removed before connecting the Ca
95. o EQ Ratio 21 X XXX Bank 2 Sensor 1 Equivalence Ratio EQ Ratio 22 X XXX Bank 2 Sensor 2 Equivalence Ratio EQ Ratio 23 X XXX Bank 2 Sensor 3 Equivalence Ratio EQ Ratio 24 X XXX Bank 2 Sensor 4 Equivalence Ratio EVAP Press Pa XXXX XX Evap System Vapor Pressure H2O kPa XXXX XXX Fuel Rail Pressure relative to PSI XXX X Vacuum Fuel Level XXX X Fuel Level Input Fuel Press kPa XXX XX X Fuel Rail Pressure PSI Fuel Press kPa XXXXX Fuel Rail Pressure PSI XXXX X FueiSys4 OL FuelSystem Status FuelSys t CL FuelSystem1 Status Fuel Syst OL Drive Fuel System 1 Status Fuel Syst OLaut Fuel System 1 Status Fuel Sys1 CL aut Fuel System 1 Status Fuel Sys2_ Fuel Sys2 CL Fuel System 2 Status Fuel Sys 2 OL Fault uel System 2 Status CL Fault uel System 2 Status Fuel Sys 2 Fuel Sys 2 LOAD Value XXX X Absolute Load Value LTFT B1 XXX X ong Term Fuel Trim Bank 1 LTFT B2 EN XXX X Long Term Fuel Trim Bank 2 F F Fuel System 2 Status F F X L 1 HUM IAT ES EN IF CanOBD2 amp 1 47 Generic Global OBD2 PID List Tool Displa Value PID Description LTFT B3 XXX X Long Term Fuel Trim Bank 3 LTFT B4 XXX X Long Term Fuel Trim Bank 4 MAF g s XXX XX Air Flow Rate from Mass Air Ib min XXXX X Flow Sensor XXX XX X Intake Manifold Absolute Pressure PSI
96. o continue m f your vehicle IS NOT equipped with Sequential Fuel Injection select Back then press the ENTER LD button to exit the Cylinder Balance Test 4 When prompted by the CanOBD2 amp 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD button to continue 5 Turn off all vehicle accessories then turn ignition key OFF and wait for the on screen prompt If you wish to exit the Cylinder Balance test at this time press the ENTER LD F button 6 When instructed by the message on the CanOBD2 amp 1 Scan Tool s display start the engine and press the ENTER LD button A One moment please preparation for test is in progress message shows temporarily on the CanOBD2 amp 1 Scan Tool s display 7 When prompted by the CanOBD2 amp 1 Scan Tool lightly press the accelerator pedal half way and release to activate the cylinder balance test For 1986 models ONLY Fully press accelerator once and release A One moment please test is in progress message shows the CanOBD2 amp 1 Scan Tool s display The computer is now in Cylinder Balance Test mode and will start cutting fuel to each cylinder in sequence to determine if all the cylinders are contributing equally may take up to five minutes before the test results are transmitted to the CanOBD2 amp 1 Scan Tool 8 If the vehicle s computer fails to enter Cylinder Balance Test mode do the followin
97. o save your changes and return to the Setup Menu Using the Backlight 1 2 Use the UP and DOWN but tons as necessary to highlight Display Backlight in the Setup Menu then press the ENTER LD button m The Display Backlight screen displays Press the UP e or DOWN button as necessary to select the desired backlight mode either ON or OFF CanOBD2 amp 1 About the CanOBD2 amp 1 Scan Tool ADJUSTMENTS SETTINGS AND DTC LIBRARY 3 When the desired backlight mode is selected press the ENTER LD button to save your changes The display returns to the MENU and the backlight turns on or off as selected Searching for a DTC Definition Using the DTC Library applicable to OBD2 systems only 1 Use the UP and DOWN but tons as necessary to highlight DTC Library in the Setup Menu then press the ENTER LD button m The Enter DTC screen displays The screen shows the code P0001 with the P flashing 2 Use the UP and DOWN buttons as necessary to scroll to the desired DTC type P Powertrain U Network B Body C Chassis then press the DTC SCROLL button m The selected character displays solid and the next character begins flashing 3 Select the remaining characters in the DTC in the same way press ing the DTC SCROLL button to confirm each character When you have selected all the DTC characters press the ENTER LD button to
98. o the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD F button to continue m The Ford EEC IV System menu dis plays Use the and buttons as necessary to make menu selec tions 3 From the Ford EEC IV System menu highlight Output State Check then press the ENTER LD button 4 When prompted by the CanOBD2 amp 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD F button to continue 5 Turn ignition key OFF and wait for the on screen prompt If you wish to exit the Output State Check at this time press the ENTER LD E button 6 When prompted by the CanOBD2 amp 1 Scan Tool turn ignition ON DO NOT start the engine If your vehicle is equipped with one of the following engine types perform the added procedures described below m For 4 9L engines with standard transmission Press and hold the clutch until the Output State Check Active screen displays m For 7 3L diesel engines Press and hold accelerator until the Output State Check Active screen displays m For 2 3L turbo engines with octane switch Put switch in pre mium position 82 CanOBD2 amp 1 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS RELAY AND SOLENOID TEST Press the ENTER LD F button to continue 8 A One moment please test is progress me
99. ograms in the vehicle s on board computer system are designed to detect failures in a range of vehicle systems Diagnostic information can be accessed through a Data Link Connector test port specifically designed for this purpose For all OBD systems if a problem is found the computer turns on the CHECK ENGINE light to warn the driver and sets a Diagnostic Trouble Code DTC to identify where the problem occurred A special diagnostic tool such as the CanOBD2 amp 1 Scan Tool is required to retrieve these codes which consumers and professionals use as a starting point for repairs CanOBD2 amp 1 1 You Do It EASY TO USE EASY TO VIEW EASY TO DEFINE Easy To Use m Connect the CanOBD2 amp 1 Scan Tool to the vehicle s test connector m Turn the ignition key Press the POWER LINK button Easy To View m The CanOBD2 amp 1 Scan Tool retrieves stored codes as well as Freeze Frame CETT TWEEN data and I M Readiness status OBD2 CERO nt 4 systems only m Codes I M Readiness status and Freeze Frame data are displayed on the CanOBD2 amp 1 Scan Tools display screen System status is indicated by LED indicators Easy To Define m Read code definitions from the CanOBD2 amp 1 Scan display View Freeze Frame data OBD2 sys tems only View record and playback live data OBD2 systems only 2 CanOBD2 amp 1 Safety Precautions SAFETY FIRST SAFET
100. on Currently there are a maximum of eleven Monitors available for use Each Monitor has a specific function to test and diagnose only its designated emissions related component or system The names of the Monitors Oxygen Sensor Monitor Catalyst Monitor EGR Monitor Misfire Monitor etc describe which component or system each Monitor is designed to test and diagnose Emissions Inspection and Maintenance I M Readiness Monitor Status Information I M Readiness Monitor Status shows which of the vehicle s Monitors have run and completed their diagnosis and testing and which ones have not yet run and completed testing and diagnosis of their desig nated sections of the vehicle s emissions system 32 CanOBD2 amp 1 OBD2 Systems I M READINESS TESTING m f a Monitor was able to meet all the conditions required to enable it to perform the self diagnosis and testing of its assigned engine sys tem it means the monitor HAS RUN m f Monitor has not yet met all the conditions required for it to per form the self diagnosis and testing of its assigned engine system it means the Monitor HAS NOT RUN The Monitor Run Not Run status does not show whether or not a problem exists in a system Monitor status only indicates whether a particular Monitor has or has not run and performed the self diagnosis and testing of its asso ciated system Performing I M Readiness Quick Check When a vehicle first comes from th
101. ons as necessary to select the desired trigger point then press the ENTER LD button 42 CanOBD2 amp 1 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA m A One moment please message shows on the display When the CanOBD2 amp 1 Scan Tool is ready to record Live Data the Record Live Data screen displays 7 Putthe engine in the operating condition where the problem manifests itself f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs 8 When the problem occurs press and release the ENTER LD F button m All three LEDs will blink for three sec onds to indicate that Live Data is being recorded and a One moment please message shows on the display m When recording is complete a confir mation screen displays asking if you would like to view the recorded data Use the UP and DOWN but tons as necessary to select Yes or No as desired then press the ENTER LD button If Yes is selected the CanOBD2 amp 1 Scan Tool enters Playback mode from which you can view a frame by frame playback of recorded Live Data see Live Data Playback on page 44 for details If No is selected the display returns to the Live Data View mode 9 You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD button until the Mode Selection Menu displays If desired you can transfer the recorded Live Data informatio
102. ons of items 1 through 16 below 1 ERASE button Erases Diagnostic Trouble Codes DTCs and Freeze Frame data from your vehicle s computer and resets Monitor status Freeze Frame data and Monitor status are applicable to OBD2 systems only 2 DTC SCROLL button Displays the DTC View screen and or scrolls the LCD display to view DTCs when more than one DTC is present 3 POWERL LINK button When the CanOBD2 amp 1 Scan Tool IS NOT connected to a vehicle turns the CanOBD2 amp 1 Scan Tool and Off When the CanOBD2 amp 1 Scan Tool is connected to a vehicle links the CanOBD2 amp 1 Scan Tool to the vehicle s PCM to retrieve diag nostic data from the computer s memory The LINK function is appli cable to OBD2 systems only To turn the CanOBD2 amp 1 Scan Tool On you must press and hold the POWER LINK button for approximately 3 seconds 10 CanOBD2 amp 1 CanOBD2 amp 1 Scan Tool Controls CONTROLS AND INDICATORS 4 ENTER LIVE DATA button When in MENU mode confirms the selected option or value When linked to a vehicle places the CanOBD2 amp 1 Scan Tool in Live Data mode 5 DOWN button When MENU mode scrolls DOWN through the menu and submenu selection options When retrieving and view ing DTCs scrolls down through the current display screen to display any additional data 6 UP button When in MENU mode scrolls UP through the menu and submenu selection options
103. or if the CanOBD2 amp 1 Scan Tool is re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared m See Viewing DTCs in the CanOBD2 amp 1 Scan Tool s Memory on page 14 to view DTCs stored in the CanOBD2 amp 1 Scan Tool s memory 13 Follow the testing and repair procedures outlined in the vehicle s service repair manual to correct hard DTCs Codes should be addressed and eliminated in the order they were received erasing see Erasing DTC s on page 102 and retesting after each repair is done to be sure the fault was eliminated 72 CanOBD2 amp 1 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES ENGINE TIMING CHECK IMPORTANT DO NOT service Continuous Memory codes at this time Before Continuous Memory codes can be serv iced both the KOEO and the KOER Self Tests must pass a PASS code 11 or 111 is obtained After both of these tests have passed erase the vehicle s computer memory see Erasing DTCs on page 102 take the vehicle for a short drive then repeat the KOEO Self Test If any Continuous Memory faults are present service them all this time Consult the vehicle s service repair manual for servicing Continuous Memory Fault Codes The green yellow and red LEDs are used with the LCD dis play as visual aids to make it easier to determine engine sys tem conditions See Servicing Diagnostic Trouble Codes on page 100 for information on interpreting LEDs and servic ing
104. or more information Check the following areas before starting any test 18 Check the engine oil power steering fluid transmission fluid if applicable engine coolant and other fluids for proper levels Top off low fluid levels if needed Make sure the air filter is clean and in good condition Make sure all air filter ducts are properly connected Check the air filter ducts for holes rips or cracks Make sure all engine belts are in good condition Check for cracked torn brittle loose or missing belts Make sure mechanical linkages to engine sensors throttle gearshift position transmission etc are secure and properly con nected See your vehicle s service manual for locations Check all rubber hoses radiator and steel hoses vacuum fuel for leaks cracks blockage or other damage Make sure all hoses are routed and connected properly Make sure all spark plugs are clean and in good condition Check for damaged loose disconnected or missing spark plug wires Make sure the battery terminals are clean and tight Check for cor rosion or broken connections Check for proper battery and charg ing system voltages Check all electrical wiring and harnesses for proper connection Make sure wire insulation is in good condition and there are no bare wires Make sure the engine is mechanically sound If needed perform a compression check engine vacuum check timing check if applica ble etc CanOBD2 amp
105. ore connecting the CanOBD2 amp 1 Scan Tool s cable connector 2 Connect the CanOBD28 amp 1 Scan Tool cable with the Ford Connector Cable Adaptor attached to the CanOBD2 amp 1 Scan Tool then connect the adaptor to the vehicle s DLC Press the POWER LINK button to turn the CanOBD2 amp 1 Scan Tool ON then press the ENTER LD F button to continue m The Ford EEC IV System menu displays Use the C and buttons as necessary to make menu selec tions 3 From the Ford EEC IV System menu highlight KOEO Test then press the ENTER LD button 4 When prompted by the CanOBD2 amp 1 Scan Tool start and warm up engine to normal operating temperature Press the ENTER LD button to continue CanOBD2 amp 1 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES KOEO TEST 5 Turn ignition key OFF and wait for the on screen prompt If you wish to exit the KOEO test at this time press the ENTER LD F button to return to the Ford EEC IV System menu 6 When prompted by the CanOBD2 amp 1 Scan Tool turn the ignition ON DO NOT start the engine If your vehicle is equipped with one of the following engine types perform the added procedures described below For 4 9L engines with standard transmission Press and hold the clutch until all codes are sent steps 7 through 9 For 7 3L diesel engines Press and hold accelerator until all codes are sent steps 7 through 9 m For 2 3L turbo engines with octane switch
106. ory m Intermittent History DTCs Intermittent History DTCs are stored in the computer s memory for problems that occur intermittently or for problems that happened in the past but are not currently present Intermittent DTCs may cause the Malfunction Indicator light to flicker or stay on until the intermittent mal function goes away However the corresponding fault code will be stored in memory as a history DTC If the malfunction that caused the history DTC to set does not recur within a predetermined length of time usually within 40 80 ignition key start cycles the computer will auto matically erase the related fault code from its memory CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the location of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions CanOBD2 amp 1 97 Toyota Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 98 Check your vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working ona vehicle See Safety Precautions on page 3 for more infor m
107. p 1 Scan Tool start the engine and press the ENTER LD button to continue A One moment please KOER test is in progress message shows temporarily on the CanOBD2 amp 1 Scan Tool s display 7 The CanOBD2 amp 1 Scan Tool will retrieve and display the Cylinder Identification ID Code The Cylinder ID Code identi fies the number of cylinders of the vehi cle that is under test If the CanOBD2 amp 1 Scan Tool fails to retrieve CYL ID and DTCs its possi ble that the KOEO Test was not per formed properly before proceeding to the KOER Test Go back and perform the KOEO Test page 70 until a PASS code is obtained 8 Perform the following procedures when prompted by the message on the CanOBD2 amp 1 Scan Tool s display m Turn the steering wheel 1 2 turn to right hold for four seconds and release m Press the brake pedal to the floor and then release it m Cycle the Overdrive Switch if equipped Quickly press the accelerator pedal to the floor and then release it 9 After the above procedures are performed a One moment please KOER test is in progress message shows temporarily on the CanOBD2 amp 1 Scan Tool s display followed by a Retrieving codes message 10 If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle successfully a Code retrieval was successful message shows temporarily on the CanOBD2 amp 1 Scan Tool s display followed by any retrieved DTCs If code 98 or 998 displays the
108. r the left side of the dashboard MALFUNCTION INDICATOR LIGHT MIL Your vehicle s instrument panel has a Malfunction Indicator Light MIL also called the Check Engine or Service Engine soon light The MIL is an indicator to warn the vehicle operator of a problem in the com puter control system CHECK ENGINE SOON If your instrument panel indicator lights do not come on when you turn on the ignition please refer to your vehicle s service manual You may have problems in the vehicle s circuitry 88 CanOBD2 amp 1 GM OBD1 Systems DTCs CODE RETRIEVAL PROCEDURE DIAGNOSTIC TROUBLE CODES DTC s The service codes are also called fault codes Diagnostic Trouble Codes DTC s or trouble codes These codes can be used to iden tify systems or components that are malfunctioning The computer records codes for two types of problems Hard Diagnostic Trouble Codes Hard DTCs represent problems that are occurring now and cause the instrument panel Malfunction Indicator Lamp MIL or Check Engine light to illuminate and remain on until the failure is repaired A DTC is stored in the vehicle s computer memory for each fault detected A Tool or Scanner can be used to retrieve DTCs that are stored in the vehi cle s computer memory m Intermittent History DTCs Intermittent History DTCs are stored in the computer s memory for problems that occur intermittently or for problems that happened in the past but are
109. rmation messages FREEZE FRAME icon Indicates that there is Freeze Frame data from Priority Code Code 1 stored in the vehicle s computer memory HISTORY icon Indicates the currently displayed DTC is a History code PENDING icon Indicates the currently displayed DTC is a Pending code MIL icon Indicates the status of the Malfunction Indicator Lamp MIL The MIL icon is visible only when a DTC has commanded the MIL on the vehicle s dashboard to light Code Number Sequence The CanOBD2 amp 1 Scan Tool assigns a sequence number to each DTC that is present in the computer s memory starting with 01 This number indicates which code is currently displayed Code number 01 is always the highest prior ity code and the one for which Freeze Frame data has been stored Freeze Frame data is applicable to OBD2 systems only If 01 is a Pending code there may or may not be Freeze Frame data stored in memory Code Enumerator Indicates the total number of codes retrieved from the vehicle s computer Generic DTC icon When visible indicates that the currently displayed DTC is a Generic or Universal code This function is applicable to OBD2 systems only m Enhanced DTC icon When visible indicates that the current ly displayed DTC is a Manufacturer Specific Code This function is applicable to OBD2 systems only CanOBD2 amp 1 13 CanOBD2 amp 1 Scan
110. s to scroll through the available PIDs When the PID you wish to display is highlighted press the ENTER LD F button to select it a checkmark will show in the checkbox to the right of the PID to confirm your selection Repeat the procedure until only the PIDs you want to display have all been selected m To deselect a currently selected PID highlight the PID then press the ENTER LD button The checkmark will be removed from the checkbox 5 When you are finished making your selection s scroll to the end of the PID list and highlight the word DONE then press the ENTER LD F button m The CanOBD2 amp 1 Scan Tool is now in Custom Live Data mode Only the PIDs you selected are shown on the CanOBD2 amp 1 Scan Tools display m To toggle between the Custom Live Data display and the full Live Data display momentarily press the ENTER LD button 6 To exit the Custom Live Data mode press and hold the ENTER LD button until the Mode Selection Menu displays RECORDING CAPTURING LIVE DATA You can record and save several frames of Live Data information for each PID supported by the vehicle in the CanOBD2 amp 1 Scan Tool s memory Recorded Live Data can serve as valuable information to help you in the troubleshooting of vehicle problems There are two ways that the CanOBD2 amp 1 Scan Tool can record Live Data m Record by DTC Trigger m Record by Manual Trigger If the POWER LINK button is pressed at any
111. s are installed both upstream of before and downstream of after the exhaust system Catalytic Converters The name of an O2 sensor iden tifies its location in the exhaust system The name of each O2 sensor is made up of three parts O2S XX YY 025 X Y O2S this is the basic designation for a O2 sensors CanOBD2 amp 1 51 Additional OBD2 Tests O2 SENSOR TEST X or XX These characters identify the location of the O2 sensor in relation to a cylinder bank An O2 sensor for cylinder bank 1 is iden tified by the designation 1 or B1 a sensor for cylinder bank 2 is identified as 2 or B2 Se Bank One indicates the side of the engine where cylinder number one is located V type engines Bank Two is oppo site of Bank One m YorYY These characters identity the location of the O2 sensor in rela tion to the exhaust system catalyst An O2 sensor located upstream of the catalyst is identified by the designation 1 or S1 a sensor located downstream of the Catalytic Converter is identified as 2 or S2 For example 02512 or O2SB1S2 is the designation for the down stream O2 sensor for cylinder bank 1 The CanOBD2 amp 1 Scan Tool does not perform O2 sensor tests but retrieves results from the most recently performed O2 sensor tests from the on board computer s memory You may retrieve O2 sensor test results for only one test of one sensor at any given time 1 From the Mode Selection Men
112. s that vary from the ideal A F ratio long term Manufacturer Specific Code A DTC that applies only to OBD 2 compliant vehicles made by a specific manufacturer MIL Malfunction Indicator Lamp also referred to as Check Engine light OBD 1 On Board Diagnostics Version 1 also referred to as OBD 1 104 CanOBD2 amp 1 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS OBD 2 On Board Diagnostics Version 2 also referred to as II On Board Computer The central processing unit in the vehicle s computer control system PCM Powertrain Control Module Pending Code A code recorded on the first trip for a two trip code If the fault that caused the code to be set is not detected on the second trip the code is automatically erased PID Parameter Identification STFT Short Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the vehicle to compensate for operating conditions that vary from the ideal A F ratio The vehicle uses this program to make minor fuel adjustments fine tune on a short term basis Trip Drive Cycle Vehicle operation that provides the necessary driv ing condition to enable a vehicle Monitor to run and complete its diag nostic testing VECI Vehicle Emission Control Information Decal CanOBD2 amp 1 105 106 CanOBD2 amp 1 CanOBD2 amp 1 107 108 CanOBD2 amp 1 Warranty and Servicing LIMITED ONE Y
113. ses m f replacing the fuse s does not correct the problem consult your vehicle s repair manual to identify the proper computer PCM fuse circuit and perform any necessary repairs before proceeding 5 Turn the ignition on DO NOT start the engine 6 Press and release the CanOBD2 amp 1 Scan Tool s POWER LINK button m The CanOBD2 amp 1 Scan Tool will auto matically start a check of the vehicle s computer to determine which type of communication protocol it is using When the CanOBD2 amp 1 Scan Tool identifies the computer s communica tion protocol a communication link is established The protocol type used by the vehicle s computer is shown on the display A PROTOCOL is a set of rules and procedures for regu lating data transmission between computers and between testing equipment and computers As of this writing five different types of protocols ISO 9141 Keyword 2000 41850 PWM J1850 VPW and are in use by vehicle manufacturers The CanOBD2 amp 1 Scan Tool automatically identifies the protocol type and establishes a communica tion link with the vehicle s computer 7 After approximately 10 60 seconds the CanOBD2 amp 1 Scan Tool will retrieve and display any Diagnostic Trouble Codes Monitor Status and Freeze Frame Data retrieved from the vehicle s computer mem m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Linking Failed message shows on the CanOBD2 amp 1 Scan
114. shows on the CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to the System Test menu 4 When the EVAP leak test has been initi ated by the vehicle s on board comput er a confirmation message shows on the CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to the Select Test screen VEHICLE ID The Vehicle ID function offers two options for retrieving reference information for the vehicle under test Vehicle ID and Available Modules Retrieving Vehicle ID Information The Vehicle ID function is applicable to model year 2000 and newer OBD2 compliant vehicles The CanOBD2 amp 1 Scan Tool can retrieve a list of information provided by the vehicle manufacturer unique to the vehicle under test from the vehicle s on board computer This information may include m The vehicle s VIN number m The control module identification number m The vehicle s calibration ID s These IDs uniquely identify the soft ware version s for the vehicle s control module s m The Vehicle s Calibration Verification Number s CVNs required by ODB2 regulations CVNs are used to determine if emission related calibrations for the vehicle under test have been changed One or more CVNs may be returned by the vehicle s computer 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Vehicle ID then press the ENTER LD button m The Vehicle In
115. ssage shows on the CanOBD2 amp 1 Scan Tool s display Se As soon as the ignition is turned on the vehicle s computer enters the Self Test mode Clicking sounds will be heard coming from the engine This is normal SP WARNING On some vehicles equipped with an Electric Cooling Fan the computer activates the cooling fan to check its operation To avoid injury keep hands or any part of your body a safe distance from engine during the test m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following Verify the ignition is ON Check the cable connections at the Code Reader and at the vehi cle s DLC Turn the ignition OFF wait 10 seconds then turn back ON to reset the computer BE SURE to perform the added procedures in step 6 if appropriate for your vehicle BEFORE turning the ignition ON Press ENTER LD button to continue 9 If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle successfully an Output State check active message shows temporarily on the CanOBD2 amp 1 Scan Tool s display This message is fol lowed by a display that instructs you how to perform the test 10 Press the accelerator pedal once then release This activates the Output State Check and energizes most of the actuators relays and solenoids that are controlled by the vehicle s computer
116. t listed use the UP and DOWN buttons as necessary to select Other manufacturer and press the ENTER LD but ton for additional DTC information Se If the Manufacturer Specific D definition for the currently dis BOGS To played code is not available i advisory message shows on the CanOBD2 amp 1 Scan Tool s display 28 CanOBD2 amp 1 OBD2 Systems CODE RETRIEVAL PROCEDURE 10 If more than one code was retrieved press the DTC SCROLL P button as necessary to display additional codes one at a time m Each time the DTC SCROLL P buttonis pressed and released the CanOBD2 amp 1 Scan Tool will scroll and display the next DTC in sequence until all DTCs in its memory have displayed m Freeze Frame Data if available will display after DTC 1 a Whenever the Scroll function is used to view additional codes the CanOBD2 amp 1 Scan Tool s communication link with the vehicle s computer disconnects To re establish communication press the POWER LINK button again m in OBD2 systems when an emis sions related engine malfunction occurs that causes a DTC to set a record or snapshot of engine condi tions at the time that the malfunction occurred is also saved in the vehi cle s computer memory The record saved is called Freeze Frame data Saved engine conditions include but are not limited to engine speed open or closed loop operation fuel system commands coolant temperature c
117. t the igni tion is on then repeat steps 2 and 3 above Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made the code s will appear again and the check engine light will illuminate as soon as the vehicle is driven long enough for its Monitors to complete their testing I M READINESS TESTING I M is an Inspection and Maintenance program legislated by the Government to meet federal clean air standards The program requires that a vehicle be taken periodically to an Emissions Station for an Emissions Test or Smog Check where the emissions related components and systems are inspected and tested for proper operation Emissions Tests are generally performed once a year or once every two years On OBD 2 systems the I M program is enhanced by requiring vehicles to meet stricter test standards One of the tests instituted by the Federal Government is called I M 240 On 240 the vehicle under test is driv en under different speeds and load conditions on a dynamometer for 240 seconds while the vehicle s emissions are measured CanOBD2 amp 1 31 OBD2 Systems I M READINESS TESTING Emissions tests vary depending on the geographic or region al area in which the vehicle is registered If the vehicle is reg istered in a highly urbanized area the I M 240 is probably the type of test required If the veh
118. tem is malfunctioning DTCs and MIL Status When the vehicle s on board computer detects a failure in an emissions related component or system the computer s internal diagnostic program assigns a diagnostic trouble code DTC that points to the system and sub system where the fault was found The diag nostic program saves the code in the com SOON puter s memory It records a Freeze Frame of conditions present when the fault was found and lights the Malfunction Indicator Lamp MIL Some faults require detection for two trips in a row before the MIL is turned on The Malfunction Indicator Lamp MIL is the accepted term used to describe the lamp on the dashboard that lights to warn the driver that an emissions related fault has been found Some manufacturers may still call this lamp a Check Engine or Service Engine Soon light CanOBD2 amp 1 23 OBD2 Systems CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the loca tion of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions Se Check your
119. the CanOBD2 amp 1 Scan Tool s display fol lowed by any retrieved DTCs m The CanOBD2 amp 1 Scan Tool will dis play a code only if codes are present in the vehicle s computer memory If no codes are present a No DTC s are presently stored in the vehicle s computer message is displayed 8 If more than one code was retrieved press the DTC SCROLL 999 button as necessary to display additional codes one at a time Sr In the case of long code definitions a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the 2 and buttons as necessary to view the additional information 9 Disconnect the CanOBD2 amp 1 Scan Tool from the vehicle and turn the ignition key OFF 10 To prolong battery life the CanOBD2 amp 1 Scan Tool automatically shuts Off after approximately three minutes of no button activity The DTCs retrieved will remain in the CanOBD2 amp 1 Scan Tool s memory and may be viewed at any time If the CanOBD2 amp 1 Scan Tool s batteries are removed or if the CanOBD2 amp 1 Scan Tool is re linked to a vehicle to retrieve codes any prior codes in its memory are automatically cleared See Viewing DTCs in the CanOBD2 amp 1 Scan Tool s Memory on page 14 to view DTCs stored in the CanOBD2 amp 1 Scan Tool s memory 62 CanOBD2 amp 1 Chrysler Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE 11 Follow the testi
120. the Mode Selection Menu appears Use the the UP and DOWN buttons as necessary to highlight Live Data Menu then press the ENTER LD button The Live Data Menu displays m Use the UP and DOWN but tons as necessary to highlight Playback Live Data then press the ENTER LD button 2 If the Code Reader is not connected to a vehicle m With the CanOBD2 amp 1 Scan Tool not connected to a vehicle press the POWER LINK button The To Link screen shows the CanOBD2 amp 1 Scan Tools display Press the DOWN button for instructions to view DTCs in memory m Press the ENTER LD button The Select OBD System screen dis plays 44 CanOBD2 amp 1 OBD2 Live Data Mode LIVE DATA PLAYBACK m Use the UP and DOWN but tons as necessary to highlight OBD2 Vehicle then press the ENTER LD button The display shows the first DTC stored in the CanOBD2 amp 1 Scan Tool s memory gt I M MONITOR STATUS m Press the ENTER LD button to place the CanOBD2 amp 1 Scan Tool in Live Data Playback mode 3 The display shows the recorded Live Data beginning with the trigger frame When you select Yes from the Record Live Data confirmation screen the CanOBD2 amp 1 Scan enters the Live Data Playback mode and the display shows the recorded Live Data beginning with the trigger frame A vehicle usually supports several PIDs however
121. the ENTER LD but tons once the unit will stay linked to the vehicle while toggling between modes If the DTC SCROLL button is pressed twice then the screen will scroll to the next DTC and the CanOBD2 amp 1 Scan Tool will be taken out of link When toggling from the Live Data to the DTC screen a One moment please message will temporarily display followed by the DTC screen CUSTOMIZING LIVE DATA PIDs This feature lets you customize the CanOBD2 amp 1 Scan Tool display to show only those PIDs that are of interest at the current time You can customize the Live Data display by placing the CanOBD2 amp 1 Scan Tool in Custom Live Data mode and selecting only the PIDs that you wish to display To customize the Live Data display proceed as follows 1 With the CanOBD1 amp 1 Scan Tool in Live Data mode see Viewing Live Data on page 37 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the the UP and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN but tons as necessary to highlight Custom Live Data then press the ENTER LD button 38 CanOBD2 amp 1 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA The Custom Live Data menu displays with the first PID in the menu highlighted 4 Use the UP 2 and DOWN button
122. the circuit or by the sensors or actuators themselves Keep this in mind when servicing fault codes and do not replace any devices sen sors or actuators before checking the complete circuit or cir cuits that are part of the device from which the code was generated VEHICLES COVERED CAR Ford Lincoln Mercury Computer System Tool Application Table The following table lists the year and model of all the cars that are cov ered by the CanOBD2 amp 1 Scan Tool Engine Fuel Systems 8th VIN Carburetor Computer Digit Model Application Special Notes System 1981 1982 EFI EFI Turbo Escort EXP LN7 Lynx EFI Turbo Capri Cougar Mustang T Bird FBC 6149 Capri Fairmont LTD Marquis Mustang Tempo Topaz Zephyr 1984 1986 EFI Escort EXP Lynx EFI Turbo FBC Capri Cougar LTD Marquis YFA 6149 Mustang Tempo Topaz EFI Turbo Capri Cougar Merkur XR4Ti Mustang T Bird CFI Tempo Topaz 64 CFI Capri Cougar LTD Marquis Mustang T Bird CanOBD2 amp 1 L l 4 Fuel Systems Carburetor Model 1984 1986 Cont F M CFI SEFI 1987 1993 EFI CFI SFI Ford OBD1 Systems VEHICLES COVERED CARS Computer Application Special Notes System Capri Continental Colony Park Cougar Country Squire Crown Victoria Grand Marquis LTD Mark VII Marquis Mustang T Bird Town Car Escort EXP Lynx Tracer L l 4 SEFI Probe 1993 manual
123. these inputs which effect engine operation The Logic Module is usually located on the right hand side behind the kick panel The Power Module supplies operating power to the Logic Module and contains the circuits which control the high current devices Power Module operation is controlled by the Logic Module The Power Module is located in the engine compartment near the vehicle s battery 1987 90 This system is called a Single Module Engine Controller SMEC This system still uses two separate circuit boards Logic Module and Power Module However both circuit boards are located in a common enclosure 1989 95 This system is called a Single Board Engine Controller SBEC On this system the Logic Module and Power Module circuit boards are integrated on a single circuit board 1993 97 Beginning in 1993 the computer was renamed the Powertrain Control Module PCM In addition to controlling the engine management system and emission system the computer also takes an active role in controlling powertrain transmission system operation Unless otherwise specified all references to computer within this manual also apply to Logic Module Power Module SMEC SBEC or PCM Jeep On Board Computer Systems 1993 95 In 1993 Jeep on board computer systems fuel injected vehicles only were converted to the Chrysler on board computer sys tems All 1993 through 1995 fuel injected Jeep and Chrysler vehicles are equ
124. tion Indicator light to flicker or stay on until the intermit tent malfunction goes away However the corresponding fault code will be stored in memory as a history DTC If the malfunction that caused the history DTC to set does not recur within a predeter mined length of time usually within 40 80 ignition key start cycles the computer will automatically erase the related fault code from its memory CODE RETRIEVAL PROCEDURES Overview of Ford Code Retrieval Process Ford s computer self diagnostic system is divided into four main sec tions 1 Key On Engine Off KOEO Self Test 2 Continuous Memory CM Self Test 3 Key On Engine Running KOER Self Test 4 Other EEC IV System tests These Self Tests are specially designed to monitor and or test the var ious components and circuits that are controlled by the vehicle s com puter and to save and or transmit diagnostic test results to the CanOBD2 amp 1 Scan Tool in the form of numerical fault codes The Continuous Memory Self Test is designed to run continuously whenever the vehicle is normal operation If a fault is detected by the Continuous Memory Self Test a fault code is saved in the vehicle s computer memory for later retrieval Ford s On Board Diagnostic Self Tests are designed in such a way that in order to properly diagnose a problem you must perform ail the Self Tests in the proper sequence CanOBD2 amp 1 69 Ford OBD1 Systems CODE RETRIEVAL PROC
125. u use the UP and DOWN buttons as necessary to highlight O2 Sensor Test then press the ENTER LD button m The Select Sensor screen displays The screen shows all O2 sensors applicable to the vehicle under test If O2 sensor tests are not support ed by the vehicle under test an advisory message shows on the CanOBD2 amp 1 Scan Tool s display Press the ENTER LD button to return to Live Data mode 2 Use the UP and DOWN but tons as necessary to highlight the O2 sensor for which you wish to view test results then press the ENTER LD button 3 When test results have been retrieved results of the first test for the selected sensor will show on the CanOBD2 amp 1 Scan Tool s display 4 Use the UP and DOWN but tons as necessary to view results for additional tests 52 CanOBD2 amp 1 Additional OBD2 Tests NON CONTINUOUS TEST 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button to return to the Select Test screen NON CONTINUOUS TEST The Non Continuous Test function retrieves and displays test results for emission related powertrain components and systems that are not continuously monitored The tests available are determined by the vehicle manufacturer The CanOBD2 amp 1 Scan Tool does not perform non continu ous test but retrieves results from the most rec
126. ue If the year shown is not correct highlight Select New Vehicle and press the ENTER LD button to return to the Select Vehicle Year menu to make your correc tions 5 Prepare the vehicle to retrieve codes m For 1988 1995 Chrysler Jeep vehicles The CanOBD2 amp 1 Scan Tool will automatically begin the code retrieval process Proceed to step 6 to continue m For 1984 1988 Chrysler vehicles ONLY WITHOUT starting the engine turn ignition ON OFF ON OFF and ON again within 5 seconds to activate the code retrieval process Proceed to step 6 to continue 6 When the CanOBD2 amp 1 Scan Tool is in the process of retrieving codes a One Moment Please message shows on the CanOBD2 amp 1 Scan Tool s display CanOBD2 amp 1 61 Chrysler Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE m f the CanOBD2 amp 1 Scan Tool fails to link to the vehicle s computer a Vehicle is not responding message shows on the CanOBD2 amp 1 Scan Tool s display Do the following Verify the ignition is ON Check the cable connections at the CanOBD2 amp 1 Scan Tool and at the vehicle s DLC Turn the ignition OFF wait 10 12 seconds then turn back ON to reset the computer Press the ENTER LD button and repeat steps 4 through 6 as necessary If the CanOBD2 amp 1 Scan Tool was able to link to the vehicle successfully a Code retrieval was successful mes sage shows temporarily on
127. uirements OBD2 OBD Support EOBD and OBD Requirements OBD OBD Support EOBD OBD OBD Requirements and 2 OBD Support Ea JOBD OBD Requirements OBD Support JOBD and OBD Requirements OBD2 OBD Support JOBD and OBD Requirements EOBD OBD Support JOBD EOBD OBD Requirements and OBD2 PTO Status On Off Power Take Off Status Rel TPS XXX X Relative Throttle Position Spark Adv XX Ignition Timing Advance 1 Cylinder CanOBD2 amp 1 49 Generic Global OBD2 PID List Tool Displa Value PID aO O ption Bank 1 Sensor4 eee STFT B2 S1 XXX X Bank 2 Sensor 1 STFT B4 XXX X Short Term Fuel Trim Bank 4 Time DTC Cir XXXX Time since DTC Cleared mm XXXX Time Since Engine Start XXX X Absolute Throttle Position EE B XXX X Absolute Throttle Position B TPSC XXX X Absolute Throttle Position C Veh Speed km h XXX XXX Vehicle Speed Sensor mph Warm up DTC osse 3t Warm ups since DTC Cleared Clr 50 CanOBD2 amp 1 Additional OBD2 Tests O2 SENSOR TEST In addition to retrieving Diagnostic Trouble Code DTC and viewing Live Data you can use the CanOBD2 amp 1 Scan Tool to perform addi tional diagnostic tests and to view diagnostic and vehicle information stored in your vehicle s on board computer Additional tests are accessed through the Mode Selection Menu To access the Mode Selection Menu place the CanOBD2 amp 1 Scan Tool in Live Data mode see Viewing Live Data on page 37
128. vehicle is operating in Failure Mode The computer goes into failure mode when it detects a sig nal from a sensor that indicates the sensor has failed and is com pletely out of specifications The computer substitutes a fixed signal L value for the failed sensor to keep the vehicle running Failure mode codes 98 or 998 are usually accompanied by one or more Diagnostic Trouble Codes that indicate the failed sensor A vehicle operating in failure mode is operating at a minimal level and the faults that are causing these Diagnostic Trouble Codes to set must be repaired as soon as possible CanOBD2 amp 1 77 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC IV SYSTEMS Most Ford EEC IV vehicle computers up to 1991 use a two digit code system From 1991 to 1995 most use a three digit code system 11 If no problems are found during the KOER Self Test the computer sends a PASS code code 11 or 111 to the CanOBD2 amp 1 Scan Tool Code 11 or 111 indicates that all the relays and actua tors and their related circuits that were tested during the KOER Self Test are OK and no faults were found 12 After the CanOBD2 amp 1 Scan Tool retrieves all the KOER Self Test DTOs turn the engine off and disconnect the CanOBD2 amp 1 Scan Tool from the vehicle s test connectors The DTCs retrieved are now stored in the CanOBD2 amp 1 Scan Tool s memory m See Viewing DTCs in the CanOBD2 amp 1 Scan Tool s
129. vehicle thoroughly before performing any test See Before You Begin on page 18 for details ALWAYS observe safety precautions whenever working on a vehicle See Safety Precautions on page 3 for more infor mation 1 Turn the ignition OFF 2 Locate the vehicle s 16 pin Data Link Connector DLC See page 21 for con nector location Some DLCs have a plastic cover that must be removed before con necting the CanOBD2 amp 1 Scan Tool cable connector If the CanOBD2 amp 1 Scan Tool is ON turn it OFF by pressing the POWER LINK amp amp button BEFORE connecting the CanOBD2 amp 1 Scan Tool to the DLC 3 Connect the OBD II Cable to the CanOBD2 amp 1 Scan Tool then con nect to the vehicle s DLC m f you have problems connecting the cable connector to the DLC rotate the connector 180 and try again m f you still have problems check the pins on the CanOBD2 amp 1 Scan Tool s DLC and on the vehicle s DLC 4 When the CanOBD2 amp 1 Scan Tool s cable connector is properly connected to the vehicle s DLC the unit automati cally turns ON and the display shows instructions for linking to the vehicle s on board computer 24 CanOBD2 amp 1 OBD2 Systems CODE RETRIEVAL PROCEDURE m f the unit does not power on automatically when connected to the vehicle s DLC connector it usually indicates there is no power present at the vehicle s DLC connector Check your fuse panel and replace any burned out fu
130. view the DTC definition m If you entered a Generic DTC DTCs that start with PO P2 and some The selected DTC and DTC defi nition if available show on the CanOBD2 amp 1 Scan Tool s display Sr If a definition for the DTC you entered is not available an advi sory message shows on the CanOBD2 amp 1 Scan display m f you entered a Manufacturer Specific DTC DTCs that start with P1 and some The Select Manufacturer screen displays Use the UP and DOWN buttons as necessary to high light the appropriate manufactur er then press the ENTER LD button to display the correct DTC for your vehicle CanOBD2 amp 1 7 About the CanOBD2 amp 1 Scan Tool ADJUSTMENTS SETTINGS AND DTC LIBRARY If a definition for the DTC you entered is not available an advi sory message shows on the CanOBD2 amp 1 Scan Tool s display 4 If you wish to view definitions for addi tional DTCs press the ENTER LD button to return to the DTC Library screen and repeat steps 2 and 3 5 When all desired DTCs have been viewed press the ERASE button to exit the DTC Library and return to the Setup Menu Selecting the Display Language 1 Use the UP and DOWN buttons as necessary to highlight Select Language in the Setup Menu then press the ENTER LD button The Select Language screen dis plays The currently selected display Language is highli
131. y a Code retrieval was successful message shows tem porarily on the CanOBD2 amp 1 Scan Tool s display followed by any retrieved DTCs m The CanOBD2 amp 1 Scan Tool will dis play a code only if codes are present in the vehicle s computer memory m f no problems are found during the KOEO Self Test the computer sends a PASS code code 11 or 111 to the CanOBD2 amp 1 Scan Tool m If no Continuous Memory codes are present in the vehicle s computer memory the CanOBD2 amp 1 Scan Tool will display a PASS code code 11 or 111 Most Ford EEC IV vehicle com puters up to 1991 use a two digit code system From 1991 to 1995 most use a three digit code system 10 If more than one code was retrieved press DTC SCROLL but ton as necessary to display additional codes one at a time Sr In the case of long code definitions a small arrow is shown in the upper lower right hand corner of the code display area to indicate the presence of additional information Use the and buttons as necessary to view the additional information 11 Disconnect the CanOBD2 amp 1 Scan Tool from the vehicle and turn the ignition key OFF 12 To prolong battery life the CanOBD2 amp 1 Scan Tool automatically shuts Off after approximately three minutes of no button activity The DTCs retrieved will remain in the CanOBD2 amp 1 Scan Tool s memory and may be viewed at any time If the CanOBD2 amp 1 Scan Tool s batteries are removed
132. ys you must consult the vehicle s service repair manual for procedures to erase DTCs 102 CanOBD2 amp 1 Erasing DTCs m f the erase was not successful an advisory message shows on the CanOBD2 amp 1 Scan Tool s display Verify that the CanOBD2 amp 1 Scan Tool is properly connected to the vehicle s DLC and that the ignition is ON If the erase process still does S complete turn the ignition OFF wait 10 seconds then turn back ON and repeat steps 2 and 3 FORD systems will not display an erase was not successful message If the One moment please erase in progress mes sage on the display does NOT change after 3 minutes it indi cates that the erase function has failed Check the DLC con nections and make sure the ignition key is ON Perform the ERASE function again Se Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made the code s will appear again and the check engine light will illuminate as soon as the problem that cause the DTC to set manifests itself CanOBD2 amp 1 103 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS GLOSSARY OF TERMS AND ABBREVIATIONS CARB California Air Resources Board CCM Central Control Module Computer Control System An electronic control system consisting of an on board computer and related sensors switches

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