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Table of Contents INTRODUCTION WHAT IS OBD? ....................................................................................................... YOU CAN DO IT! ............................................................................................................... SAFETY PRECAUTIONS SAFETY FIRST! ...................................................................................................... ABOUT THE CANOBD2&1 SCAN TOOL BATTERY INSTALLATION / REPLACEMENT ....................................
Introduction WHAT IS OBD? WHAT IS OBD? The Enhanced CanOBD2&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 onboard diagnostics (OBD) on vehicles, or in more basic terms, the computer that activates the vehicle’s “CHECK ENGINE” light. OBD1 was designed to monitor manufacturer-specific systems on vehicles built from 1981 to 1995.
You Can Do It! EASY TO USE – EASY TO VIEW – EASY TO DEFINE Easy To Use . . . . Connect the CanOBD2&1 Scan Tool to the vehicle’s test connector. Turn the ignition key "On.” Press the POWER/LINK button. Easy To View . . . . The CanOBD2&1 Scan Tool retrieves stored codes, as well as Freeze Frame data and I/M Readiness status (OBD2 systems only). Codes, I/M Readiness status and Freeze Frame data are displayed on the CanOBD2&1 Scan Tool’s display screen.
Safety Precautions SAFETY FIRST! SAFETY FIRST! To avoid personal injury, instrument damage and/or damage to your vehicle; do not use the CanOBD2&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.
Safety Precautions SAFETY FIRST! To prevent damage to the on-board computer when taking vehicle electrical measurements, always use a digital multimeter with at least 10 megOhms of impedance. Fuel and battery vapors are highly flammable. To prevent an explosion, keep all sparks, heated items and open flames away from the battery and fuel / fuel vapors. DO NOT SMOKE NEAR THE VEHICLE DURING TESTING. Don't wear loose clothing or jewelry when working on an engine.
About the CanOBD2&1 Scan Tool BATTERY INSTALL/REPLACEMENT - ADJUSTMENTS/SETTINGS & 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 CanOBD2&1 Scan Tool. 2. Slide the battery cover off (use your fingers). 3. Replace batteries with three AA-size batteries (for longer life, use Alkaline-type batteries). 4.
About the CanOBD2&1 Scan Tool ADJUSTMENTS/SETTINGS AND DTC LIBRARY Adjustments and settings can be made only when the CanOBD2&1 Scan Tool is NOT connected to a vehicle. To enter the MENU Mode: 1. With the CanOBD2&1 Scan Tool OFF, button, then press and hold the UP press and release the POWER/LINK button. The Setup Menu displays. 2. Release the UP button. DO NOT release the UP visible on the display. button until the Setup Menu is 3.
About the CanOBD2&1 Scan Tool ADJUSTMENTS/SETTINGS AND DTC LIBRARY 2. Press the UP or DOWN button, as necessary, to select the desired backlight mode, either ON or OFF. 3. When the desired backlight mode is selected, press the 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.
About the CanOBD2&1 Scan Tool ADJUSTMENTS/SETTINGS AND DTC LIBRARY - The “Select Manufacturer” screen displays. - Use the UP and DOWN buttons, as necessary, to highlight the appropriate manufacturer, then press the ENTER/LD button to display the correct DTC for your vehicle. If a definition for the DTC you entered is not available, an advisory message shows on the CanOBD2&1 Scan Tool’s display. 4.
About the CanOBD2&1 Scan Tool ADJUSTMENTS/SETTINGS AND DTC LIBRARY 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. Exiting the MENU Mode and DOWN buttons, as necessary, to highlight 1. Use the UP Menu Exit in the Setup Menu, then press the ENTER/LD button.
CanOBD2&1 Scan Tool Controls CONTROLS AND INDICATORS CONTROLS AND INDICATORS 11 10 7 6 8 9 1 3 2 4 5 16 12 13 14 15 Figure 1. Controls and Indicators See Figure 1 for the locations 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.
CanOBD2&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&1 Scan Tool in "Live Data" mode. 5. DOWN button - When in MENU mode, scrolls DOWN through the menu and submenu selection options. When retrieving and viewing DTCs, scrolls down through the current display screen to display any additional data. 6.
CanOBD2&1 Scan Tool Controls DISPLAY FUNCTIONS DISPLAY FUNCTIONS 2 1 11 12 13 3 4 5 6 15 16 7 14 8 10 9 Figure 2. Display Functions See Figure 2 for the locations of items 1 through 16, following. 1. I/M MONITOR STATUS field - Identifies the I/M Monitor status area. (This function is applicable to OBD2 systems only.) 2. Monitor icons - Indicate which Monitors are supported by the vehicle under test, and whether or not the associated Monitor has run its diagnostic testing (Monitor status).
CanOBD2&1 Scan Tool Controls VIEWING DTCs IN THE CANOBD2&1 SCAN TOOL’S MEMORY 7. DTC Display Area - Displays the Diagnostic Trouble Code (DTC) number. Each fault is assigned a code number that is specific to that fault. 8. Test Data Display Area - Displays DTC definitions, Freeze Frame data, and other pertinent test information messages. 9. FREEZE FRAME icon - Indicates that there is Freeze Frame data from “Priority Code” (Code #1) stored in the vehicle’s computer memory. 10.
CanOBD2&1 Scan Tool Controls VIEWING DTCs IN THE CANOBD2&1 SCAN TOOL’S MEMORY 2. Press the ENTER/LD button. The “Select OBD System” screen displays. and keys to highlight 3. Use the and select your vehicle’s OBD system (OBD1 or OBD2). Press the ENTER/LD button to continue. Select “Back” if you wish to return to the Main Menu. 4. If DTCs are present in the CanOBD2&1 Scan Tool’s memory, the first stored DTC will display on the screen.
Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET The purpose of this form is to help you gather preliminary information on your vehicle before you retrieve codes. By having a complete account of your vehicle's current problem(s), you will be able to systematically pinpoint the problem(s) by comparing your answers to the fault codes you retrieve.
Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET WHEN DID YOU FIRST NOTICE THE PROBLEM: ❏ Just Started ❏ Started Last Week ❏ Started Last Month ❏ Other: m LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS: PROBLEMS STARTING ❏ No symptoms ❏ Cranks, but will not start ❏ ❏ Starts, but takes a long time ❏ Right after vehicle comes to a stop ❏ While idling ❏ During acceleration When parking Will not crank ENGINE QUITS OR STALLS No symptoms ❏ ❏ Right after starting ❏ When sh
Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET AUTOMATIC TRANSMISSION PROBLEMS (if applicable) ❏ ❏ ❏ ❏ No symptoms Shifts too early or too late Changes gear incorrectly PROBLEM OCCURS Morning ❏ ❏ ❏ Vehicle does not move when in gear Jerks or bucks Afternoon ❏ Anytime ❏ Hot ENGINE TEMPERATURE WHEN PROBLEM OCCURS ❏ Cold ❏ Warm DRIVING CONDITIONS WHEN PROBLEM OCCURS ❏ ❏ ❏ ❏ ❏ ❏ ❏ ❏ Short - less than 2 miles 2 - 10 miles Long - more than 10 miles Stop and go While turning Wh
Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The Enhanced CanOBD2&1 Scan Tool aids in monitoring electronicand emissions-related faults in your vehicle and retrieving fault codes related to malfunctions in these systems. Mechanical problems such as low oil level or damaged hoses, wiring or electrical connectors can cause poor engine performance and may also cause a fault code to set. Fix any known mechanical problems before performing any test.
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 manuals.
General Code Retrieval Procedures OBD1 SYSTEMS / OBD2 SYSTEMS Procedures for Retrieving Diagnostic Trouble Codes from OBD1 systems 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 vehicle’s OBD system, and proceed to appropriate section for detailed code retrieval procedures.
OBD2 Systems VEHICLES COVERED VEHICLES COVERED The Enhanced CanOBD2&1 Scan Tool is designed to work on all OBD2 compliant vehicles. All 1996 and newer vehicles (cars and light trucks) sold in the United States are OBD2 compliant. Federal law requires that all 1996 and newer cars and light trucks sold in the United States must be OBD2 compliant; this includes all Domestic, Asian and European vehicles. Some 1994 and 1995 vehicles are OBD2 compliant.
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 service procedure in the vehicle’s service manual.
OBD2 Systems DIAGNOSTIC TROUBLE CODES (DTCs) OBD2 DTC EXAMPLE P0201 - Injector Circuit Malfunction, Cylinder 1 B C P U - Body Chassis Powertrain Network 0 1 2 3 - Generic Manufacturer Specific Generic Includes both Generic and Manufacturer Specific Codes P0201 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
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 location of the problem. This information is found in the vehicle's service manual.
OBD2 Systems CODE RETRIEVAL PROCEDURE If the unit does not power on automatically when connected to the vehicle’s DLC connector, it usually indicates there is no power present at the vehicle’s DLC connector. Check your fuse panel and replace any burned-out fuses. If 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.
OBD2 Systems CODE RETRIEVAL PROCEDURE The CanOBD2&1 Scan Tool will automatically re-link to the vehicle’s computer 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&1 Scan Tool is communicating with the vehicle’s computer. The CanOBD2&1 Scan Tool will display a code only if codes are present in the vehicle’s computer memory.
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 and buttons, as necessary, to view the the additional information. If a definition for the currently displayed code is not available, an advisory message shows on the CanOBD2&1 Scan Tool’s display. 9.
OBD2 Systems CODE RETRIEVAL PROCEDURE Red LED – Indicates there is a problem with one or more of the vehicle’s systems. The red LED is also used to indicate that DTC(s) are present (displayed on the CanOBD2&1 Scan Tool’s screen). In this case, the Malfunction Indicator (Check Engine) lamp on the vehicle’s instrument panel will be illuminated. DTC’s that start with “P0”, “P2” and some “P3” are considered Generic (Universal). All Generic DTC definitions are the same on all OBD2 equipped vehicles.
OBD2 Systems CODE RETRIEVAL PROCEDURE Each time the DTC SCROLL button is pressed and released, the CanOBD2&1 Scan Tool will scroll and display the next DTC in sequence until all DTCs in its memory have displayed. Freeze Frame Data (if available) will display after DTC #1. Whenever the Scroll function is used to view additional codes, the CanOBD2&1 Scan Tool’s communication link with the vehicle’s computer disconnects. To re-establish communication, press the POWER/LINK button again.
OBD2 Systems VIEWING ENHANCED DTCs 12. Determine engine system(s) condition by viewing the CanOBD2&1 Scan Tool’s display for any retrieved Diagnostic Trouble Codes, code definitions, Freeze Frame data and interpreting the green, yellow and red LEDs. If 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).
OBD2 Systems VIEWING ENHANCED DTCs If a Manufacturer specific DTC was retrieved, and the manufacturer selected for the code was Chrysler, Jeep, Ford, Mazda, General Motors, Isuzu, Honda, Acura, Toyota or Lexus, a confirmation message displays. Press the ENTER/LD button to display the Enhanced menu for the selected vehicle manufacturer, or, press the DTC SCROLL button to return to the OBD2 DTC screen.
OBD2 Systems VIEWING ENHANCED DTCs A visible icon indicates that the CanOBD2&1 Scan Tool is being powered through the vehicle’s DLC connector. A visible icon indicates that the CanOBD2&1 Scan Tool is linked to (communicating with) the vehicle’s computer. The upper right hand corner of the display shows the number of the code currently being displayed, the total number of codes retrieved.
OBD2 Systems VIEWING ENHANCED DTCs Ford/Mazda Enhanced DTCs Mazda Enhanced DTCs are available for Mazda-branded Ford vehicles only. When Ford/Mazda is selected from the Enhanced DTCs Main menu, the Ford/Mazda Enhanced menu displays. You may view DTCs for either the “Continuous Memory Test”, “KOEO (Key On Engine Off) Test” or “KOER (Key On Engine Running) Test.” 1. Use the UP and DOWN buttons, as necessary, to highlight the desired option, then press the ENTER/LD button.
OBD2 Systems VIEWING ENHANCED DTCs I/M MONITOR STATUS icons are not displayed when viewing enhanced DTCs. In the case of long code definitions, or when viewing Freeze Frame data, a small arrow is shown in the upper/lower right-hand corner of the code display area to indicate the presence of additional information. Use the and buttons, as necessary, to view the additional information. The CanOBD2&1 Scan Tool will display a code only if codes are present in the vehicle’s computer memory.
OBD2 Systems VIEWING ENHANCED DTCs If the CanOBD2&1 Scan Tool fails to link to the vehicle’s computer, a “Linking Failed” message shows on the CanOBD2&1 Scan Tool’s display. - Verify the ignition is ON, then press the ENTER/LD button to continue. 2. To read the display: Refer to DISPLAY FUNCTIONS on page 12 for a description of LCD display elements. A visible icon indicates that the CanOBD2&1 Scan Tool is being powered through the vehicle’s DLC connector.
OBD2 Systems VIEWING ENHANCED DTCs 4. When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed, the CanOBD2&1 Scan Tool returns to the GM/Isuzu Enhanced menu. To view additional enhanced DTCs, repeat steps 1 through 4, above. To exit the enhanced mode, use the UP and DOWN buttons, as necessary, to select Exit from the GM/Isuzu Enhanced menu, then press the ENTER/LD button. The CanOBD2&1 Scan Tool returns to the OBD2 DTC screen.
OBD2 Systems VIEWING ENHANCED DTCs The Diagnostic Trouble Code (DTC) and related code definition are shown in the lower section of the LCD display. I/M MONITOR STATUS icons are not displayed when viewing enhanced DTCs. In the case of long code definitions, or when viewing Freeze Frame data, a small arrow is shown in the upper/lower right-hand corner of the code display area to indicate the presence of additional information. Use the and buttons, as necessary, to view the additional information.
OBD2 Systems VIEWING ENHANCED DTCs Current DTCs or History DTCs Current DTCs, Historical DTCs or Readiness DTCs and DOWN buttons, 1. Use the UP as necessary, to highlight the desired option, then press the ENTER/LD button. A “One moment please” message displays, while the Scan Tool retrieves the selected DTCs. If the Scan Tool fails to link to the vehicle’s computer, a “Linking Failed” message shows on the Scan Tool’s Display.
OBD2 Systems ERASING DIAGNOSTIC TROUBLE CODES (DTCs) The Scan Tool will display a code only if codes are present in the vehicle’s computer memory. If no codes are present, a “No Enhanced DTC’s are presently stored in the vehicle’s computer” is displayed. Press the ENTER/LD button to return to the Toyota/Lexus Enhanced menu. 3. If more than one code was retrieved press the DTC SCROLL button, as necessary, to display additional codes one at a time. 4.
OBD2 Systems ERASING DIAGNOSTIC TROUBLE CODES (DTCs) The CanOBD2&1 Scan Tool must be connected to the vehicle’s DLC to erase the codes from the computer’s memory. If you press the ERASE button when the CanOBD2&1 Scan Tool is not connected to the vehicle’s DLC, the erase instruction screen displays. The Erase function can be performed only from the OBD2 DTC screen. The Erase function cannot be performed while the CanOBD2&1 Scan Tool is in “enhanced” mode. 1.
OBD2 Systems I/M READINESS TESTING 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.
OBD2 Systems I/M READINESS TESTING Catalytic Converter, EGR Valve, Fuel System, etc.) to ensure their proper operation. Currently, there are a maximum of eleven Monitors available for use. Each Monitor has a specific function to test and diagnose only its designated emissions-related component or system. The names of the Monitors (Oxygen Sensor Monitor, Catalyst Monitor, EGR Monitor, Misfire Monitor, etc.) describe which component or system each Monitor is designed to test and diagnose.
OBD2 Systems I/M READINESS TESTING 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.
OBD2 Systems I/M READINESS TESTING If the illumination of the Yellow LED is being caused by monitors that “have not run” their diagnostic testing, then the issue of the vehicle being ready for an Emissions Test (Smog Check) depends on the emissions regulations and laws of your local area. - Some areas require that all Monitors indicate a "Has Run" status before they allow an Emissions Test (Smog Check) to be performed.
OBD2 Systems I/M READINESS TESTING 1. Using retrieved Diagnostic Trouble Codes (DTCs) and code definitions as a guide, and following manufacturer's repair procedures, repair the fault or faults as instructed. 2. After the fault or faults have been repaired, connect the CanOBD2&1 Scan Tool to the vehicle's DLC and erase the code or codes from the vehicle's computer memory. See page 36 for procedures for ERASING DIAGNOSTIC TROUBLE CODES (DTCs) from the vehicle's on-board computer.
OBD2 Systems I/M READINESS TESTING system status information (open loop, closed loop, fuel system status, etc.) generated by the various vehicle sensors, switches and actuators. In effect the CanOBD2&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.
OBD2 Live Data Mode VIEWING LIVE DATA VIEWING LIVE DATA 1. Follow steps 1 through 7 of the CODE RETRIEVAL PROCEDURE (page 24) to place the CanOBD2&1 Scan Tool in "Code Retrieval" mode. 2. Press and release the ENTER/LD button to place the CanOBD2&1 Scan Tool in "Live Data" mode. 3. Real-time Live Data (PID) information supported by the vehicle under test displays. Remember, what you are viewing is "real-time" Live Data.
OBD2 Live Data Mode CUSTOMIZING LIVE DATA (PIDs) CUSTOMIZING LIVE DATA (PIDs) This feature lets you customize the CanOBD2&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&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.
OBD2 Live Data Mode RECORDING (CAPTURING) LIVE DATA 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&1 Scan Tool's memory. Recorded Live Data can serve as valuable information to help you in the troubleshooting of vehicle problems.
OBD2 Live Data Mode RECORDING (CAPTURING) LIVE DATA The CanOBD2&1 Scan Tool is capable of recording approximately 20 frames of Live Data. Record by DTC trigger lets you select the point in time at which you wish the CanOBD2&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.
OBD2 Live Data Mode RECORDING (CAPTURING) LIVE DATA If Yes is selected, the CanOBD2&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 53 for details). If No is selected, the display returns to the "Live Data View" mode. 9. You can exit the "Record Live Data Mode" at any time by pressing and holding the ENTER/LD button until the "Mode Selection Menu" displays.
OBD2 Live Data Mode RECORDING (CAPTURING) LIVE DATA The CanOBD2&1 Scan Tool is capable of recording approximately 20 frames of Live Data. Record by DTC trigger lets you select the point in time at which you wish the CanOBD2&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 middle (10 frames before and 10 frames after the event.
OBD2 Live Data Mode LIVE DATA PLAYBACK 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 information to a personal computer using the optional PC-LINK program (see instructions included with PC-Link for more information). Important Information 1.
OBD2 Live Data Mode LIVE DATA PLAYBACK 2. If the Code Reader is not connected to a vehicle: With the CanOBD2&1 Scan Tool not connected to a vehicle, press the POWER/LINK button. The “To Link” screen shows on the CanOBD2&1 Scan Tool’s display. Press the DOWN button for instructions to view DTCs in memory. Press the ENTER/LD button. The “Select OBD System” screen displays. Use the UP and DOWN buttons, as necessary, to highlight OBD2 Vehicle, then press the ENTER/LD button.
OBD2 Live Data Mode LIVE DATA PLAYBACK When recorded Live Data is played back, all available PIDs are shown, even if you have customized the Live Data selections. If there is no Live Data currently stored in the CanOBD2&1 Scan Tool's memory, an advisory message shows on the display. Press the DTC SCROLL button 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.
Generic (Global) OBD2 PID List The following is a list of Generic (Global) PIDs and their descriptions. Tool Display ACC Pedal D ACC Pedal E ACC Pedal F Air Status Unit % % % - Ambient *C / *F - Aux Input Status BARO Value XXX.X XXX.X XXX.
Generic (Global) OBD2 PID List Tool Display EQ Ratio 13 Unit - Value X.XXX EQ Ratio 14 - X.XXX EQ Ratio 21 - X.XXX EQ Ratio 22 - X.XXX EQ Ratio 23 - X.XXX EQ Ratio 24 - X.XXX EVAP Press Pa /in H2O kPa /PSI % kPa /PSI kPa /PSI *C / *F % % % % % g/s ; lb/min XXXX.XX /XX.XXX XXXX.XXX /XXX.X XXX.X XXX / XX.X XXXXX /XXXX.
Generic (Global) OBD2 PID List Tool Display MAP MIL On Time Monitor Status O2S B1 S1 O2S B1 S1 mA O2S B1 S1 V O2S B1 S2 O2S B1 S2 mA O2S B1 S2 V O2S B1 S3 O2S B1 S3 mA O2S B1 S3 V O2S B1 S4 O2S B1 S4 mA O2S B1 S4 V O2S B2 S1 O2S B2 S1 mA O2S B2 S1 V O2S B2 S2 O2S B2 S2 mA O2S B2 S2 V O2S B2 S3 O2S B2 S3 mA O2S B2 S3 V O2S B2 S4 O2S B2 S4 mA O2S B2 S4 V O2S Location O2S Location O2S Location 58 Unit kPa /PSI hrs, min - Value XXX / XX.
Generic (Global) OBD2 PID List Tool Display O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location O2S Location OBD Support OBD Support OBD Support Unit - PTO Status Rel TPS Spark Adv % deg Value O2S14 O2S21 O2S22 O2S23 O2S24 O2S11 O2S12 O2S21 O2S22 O2S31 O2S32 O2S41 O2S42 OBD2 OBD OBD and OBD2 OBD1 No OBD EOBD EOBD and OBD2 EOBD and OBD EOBD, OBD and OBD2 JOBD JOBD and OBD2 JOBD and EOBD JOBD, EOBD and
Generic (Global) OBD2 PID List Tool Display STFT B1 S2 STFT B1 S3 STFT B1 S4 STFT B2 STFT B2 S1 STFT B2 S2 STFT B2 S3 STFT B2 S4 STFT B3 STFT B4 Time DTC Clr Time Since Start TPS TPS B TPS C Veh Speed Warm-up DTC Clr 60 Unit % % % % % % % % % % hrs, min sec Value XXX.X XXX.X XXX.X XXX.X XXX.X XXX.X XXX.X XXX.X XXX.X XXX.X XXXX, XX % % % km/h / mph - XXX.X XXX.X XXX.
Additional OBD2 Tests O2 SENSOR TEST In addition to retrieving Diagnostic Trouble Code (DTC) and viewing Live Data, you can use the Enhanced CanOBD2&1 Scan Tool to perform additional diagnostic tests, and to view diagnostic and vehicle information stored in your vehicle's on-board computer. Additional tests are accessed through the "Mode Selection Menu.
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 identified by the designation “1” or "B1"; a sensor for cylinder bank 2 is identified as “2” or "B2." “Bank One” indicates the side of the engine where cylinder number one is located (V-type engines). Bank Two is opposite of Bank One.
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.
Additional OBD2 Tests SYSTEM TEST Test ID number Module ID number Component ID number Min or Max test limit Only one test limit, either Min or Max, is shown for any given test. Test Value and status Status is calculated by the CanOBD2&1 Scan Tool by comparing the Test Value against the displayed test limit (either Min or Max). Status is shown as either Low, High or OK. 5.
Additional OBD2 Tests VEHICLE ID Some vehicle manufacturers do not allow CanOBD2&1 Scan Tools or other external devices to control vehicle systems. If the EVAP Leak Test is not supported by the vehicle under test, an advisory message shows on the CanOBD2&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 initiated by the vehicle's on-board computer, a confirmation message shows on the CanOBD2&1 Scan Tool's display.
Additional OBD2 Tests VEHICLE ID If the Vehicle ID function is not supported by the vehicle under test, an advisory message shows on the CanOBD2&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 displays while the requested information is retrieved from the vehicle's computer.
Additional OBD2 Tests VEHICLE ID 2. Use the UP and DOWN buttons, as necessary, to highlight Available Modules, then press the ENTER/LD button. 3. A "One moment please..." message displays while the requested information is retrieved from the vehicle's computer. 4. When the retrieval process is completed, a complete list of modules supported by the vehicle under test is shown on the CanOBD2&1 Scan Tool's display. Use the UP and DOWN buttons, as necessary, to view the entire list. 5.
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 splitsystem, composed of two separate units: the Logic Module and the Power Module.
Chrysler/Jeep OBD1 Systems VEHICLES COVERED / PANEL INDICATOR LIGHTS /DLC VEHICLES COVERED This section covers Chrysler fuel injected vehicles from 1983-1995. Model Year 1983-1995 Type Passenger Cars Light Truck and Vans 1987-1995 1992-1995 1993-1995 Jeep Model Chrysler, Dodge and Plymouth Fuel Injected Models Only (Excluding Lasor/Talon 1.8L, 2.0L (ALL YEARS), 1990 Monaco/Premier, 1993-1995 Intrepid, LHS, Concorde and Vision, 1995 Avenger, Stealth (ALL YEARS) and Cirrus 2.
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.
Chrysler/Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE To retrieve DTCs from the vehicle selection currently in the CanOBD2&1 Scan Tool’s memory: - From the “Current Selection/ Select New Vehicle” screen, highlight 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, highlight Select New Vehicle and press the ENTER/LD button; the “Select Vehicle Year” menu displays.
Chrysler/Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE If the CanOBD2&1 Scan Tool fails to link to the vehicle’s computer, a “Vehicle is not responding” message shows on the CanOBD2&1 Scan Tool’s display. Do the following: - Verify the ignition is ON. - Check the cable connections at the CanOBD2&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 6 as necessary. button and repeat steps 4 through 7.
Chrysler/Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE 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 DTCs (OBD I SYSTEMS) on page 112) 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 display) as visual aids to make it easier to determine engine system conditions.
Ford OBD1 Systems FORD COMPUTER SYSTEM OVERVIEW - VEHICLES COVERED FORD COMPUTER SYSTEM OVERVIEW The Enhanced CanOBD2&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 components are operating properly.
Ford OBD1 Systems VEHICLES COVERED - CARS 8th VIN Digit** Fuel Systems (Carburetor Model) 5.0L V-8 F, M CFI, SEFI 1.9L I-4 J, 9 EFI, CFI, SFI 2.0L I-4 A SEFI 2.3L I-4 A FBC (YFA)* Engine Application/Special Notes Computer System 1984-1986 (Cont) Capri, Continental, Colony Park, Cougar, Country Squire, Crown Victoria, Grand Marquis, LTD, Mark VII, Marquis, Mustang, T-Bird, Town Car EEC-IV 1987-1993 Escort, EXP, Lynx, Tracer Capri, LTD, Marquis, Mustang (1996 models) 2.
Ford OBD1 Systems VEHICLES COVERED - TRUCKS 8th VIN Digit** Fuel Systems (Carburetor Model) V SFI Mark VIII 5.0L V-8 HO T SFI Mustang 5.0L V-8 SHP D Engine Application/Special Notes Computer System 1995 (Cont) 4.6L V8 DOHC EEC-IV NOTES * Carburetor Model. Carburetor model numbers are usually stamped on top of the carburetor, or on a metal tab attached to the carburetor. Consult your vehicle’s repair manual for proper identification. **VIN Number.
Ford OBD1 Systems TEST CONNECTORS 8th VIN Digit** Fuel Systems (Carburetor Model) 3.0L V-6 U EFI, SEFI, SFI 4.0L V-6 X EFI, MFI 4.9L I-6 Y, H EFI, MFI, SFI 5.0L V-8 N EFI, MFI, SFI 5.8L V-8 H, R EFI, MFI, SFI 7.3L V-8 M Diesel 7.3L V-8 K Turbo Diesel 7.5L V-8 G EFI, MFI 3.0L V-6 U SFI Engine Application/Special Notes Computer System 1991-1994 (Cont) Aerostar, Ranger EEC-IV Aerostar, Explorer, Ranger Bronco, E and F Series Trucks/Vans (8500 lb.
Ford OBD1 Systems CONNECTING THE CANOBD2&1 SCAN TOOL - DIAGNOSTIC TROUBLE CODES Near the front corner (right or left). Near the fender well (right or left). Near the fire wall (right or left). CONNECTING THE CANOBD2&1 SCAN TOOL The CanOBD2&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.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - OVERVIEW - KOEO TEST 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 malfunction goes away. However, the corresponding fault code will be stored in memory as a history DTC.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOEO TEST The first group of codes retrieved by the CanOBD2&1 Scan Tool are called "KOEO codes". A "KOEO" icon will show in the upper right corner of the display to indicate that the code retrieved is a "KOEO" code. The second group of codes are called "Continuous Memory" codes. A "CM" icon will show in the upper right corner of the display to indicate that the code retrieved is a "Continuous Memory" code.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOEO TEST For 7.3L diesel engines: Press and hold accelerator until all codes are sent (steps 7 through 9). For 2.3L turbo engines with octane switch: Put switch in premium position. 7. Press the ENTER/LD button to continue. 8. While codes are being retrieved, a "One moment please KOEO test is in progress..." message shows on the CanOBD2&1 Scan Tool's display. As soon as the ignition is turned "on", the vehicle's computer enters the Self-Test mode.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOEO TEST If no Continuous Memory codes are present in the vehicle's computer memory, the CanOBD2&1 Scan Tool will display a "PASS" code (code 11 or 111). 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. 10. If more than one code was retrieved, press DTC SCROLL button, as necessary, to display additional codes one at a time.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK 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 control timing advance must be checked for proper operation.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK The Ford EEC-IV System menu displays. Use the necessary, selections. and to buttons, as make menu 3. From the Ford EEC-IV System menu, highlight Timing Check, then press the button. ENTER/LD 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.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST The vehicle's computer is programmed to advance ignition timing 20° (±3°) above the vehicle's "base timing" value, and to freeze this setting for two minutes from the time the "Perform Timing Check within 2 minutes" message displays. This allows the user to check the computer's ability to advance ignition timing.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST The vehicle must pass the Engine Timing Check (page 83) before performing this test. 1. Locate the vehicle's Data Link Connector (DLC). See Data Link Connector (DLC) on page 77 for connector location. Some DLCs have a plastic cover that must be removed before connecting the CanOBD2&1 Scan Tool cable connector. 2.
Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST 8. Perform the following procedures when prompted by the message on the CanOBD2&1 Scan Tool's display. Turn the steering wheel 1/2 turn to right, hold for four seconds and release. Press the brake pedal to the floor and then release it. 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.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - CYLINDER BALANCE TEST See VIEWING DTCs IN THE CANOBD2&1 SCAN TOOL’S MEMORY on page 13 to view DTCs stored in the CanOBD2&1 Scan Tool's memory. All retrieved DTCs will remain in the CanOBD2&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.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - CYLINDER BALANCE TEST 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.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - CYLINDER BALANCE TEST 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 button. 6. When instructed by the message on the CanOBD2&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&1 Scan Tool's display. 7.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - RELAY AND SOLENOID TEST If the computer detects a problem with a cylinder(s) when performing the initial Cylinder Balance Test, it needs to repeat the test two more times to properly determine which cylinder or cylinders are malfunctioning. If this is the case, the CanOBD2&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.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - RELAY AND SOLENOID TEST 2. Connect the CanOBD2&1 Scan Tool cable (with the Ford Connector Cable Adaptor attached) to the CanOBD2&1 Scan Tool, then connect the adaptor to the vehicle's DLC. Press the POWER/LINK button to turn the CanOBD2&1 Scan Tool ON, then press button to continue. the ENTER/LD The Ford EEC-IV System menu displays. Use the selections. and buttons, as necessary, to make menu 3.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - RELAY AND SOLENOID TEST If the CanOBD2&1 Scan Tool fails to link to the vehicle's computer, a "Vehicle is not responding" message shows on the CanOBD2&1 Scan Tool's display. Do the following: - Verify the ignition is ON. - Check the cable connections at the Code Reader and at the vehicle's DLC. - Turn the ignition OFF, wait 10 seconds, then turn back ON to reset the computer.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST 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 ERASING DTCs (OBD I SYSTEMS) on page 112 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.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST 6. Select the desired Wiggle Test from the menu displayed. To perform the KOEO Wiggle Test: - Highlight KOEO Wiggle Test. - Turn ignition ON. DO NOT start the engine. button - Press the ENTER/LD to continue. To perform the KOER Wiggle Test: - Highlight KOER Wiggle Test. - Turn the ignition ON and start the engine. - Press the ENTER/LD button to continue. 7.
Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST If no faults are detected when performing the Wiggle Test, a "System Pass" message displays. If a 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 79 for KOEO Test procedures. 10.
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 Enhanced CanOBD2&1 Scan Tool allows you access to the computer's memory and retrieves the DTC's.
GM OBD1 Systems ABOUT THE CANOBD2&1 SCAN TOOL - DLC – MIL - DTCs Model Year 1995 Make Chevrolet Trucks and Vans Model Caprice 4.3 liter All one ton capacity or less with gas engines (EXCEPT S/T Series vehicles) In addition to the above list, the CanOBD2&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&1 Scan Tool.
GM OBD1 Systems CODE RETRIEVAL PROCEDURE "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 vehicle's computer memory.
GM OBD1 Systems CODE RETRIEVAL PROCEDURE 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&1 Scan Tool's memory, the "Current Selection/Select New Vehicle" menu displays. If no previous vehicle selection is stored in the CanOBD2&1 Scan Tool's memory, "Select Vehicle Year" menu displays. Use the selections.
GM OBD1 Systems CODE RETRIEVAL PROCEDURE If the year shown is not correct, highlight Select New Vehicle button to return to the “Select and press the ENTER/LD Vehicle Year” menu to make your corrections. 4. When the CanOBD2&1 Scan Tool is in the process of retrieving codes, a "One moment please..." message shows on the CanOBD2&1 Scan Tool’s display. If the CanOBD2&1 Scan Tool fails to link to the vehicle's computer, a "Vehicle is not responding" message shows on the CanOBD2&1 Scan Tool’s display.
GM OBD1 Systems CODE RETRIEVAL PROCEDURE 7. Disconnect the CanOBD2&1 Scan Tool from the vehicle and turn the ignition key OFF. 8. To prolong battery life, the CanOBD2&1 Scan Tool automatically shuts "Off" after approximately three minutes with no button activity. The DTCs retrieved will remain in the CanOBD2&1 Scan Tool's memory, and may be viewed at any time.
Toyota/Lexus OBD1 Systems ON-BOARD VEHICLE DIAGNOSTICS (OBD1) - VEHICLES COVERED ON-BOARD VEHICLE DIAGNOSTICS (OBD1) Beginning in 1988, California's Air Resources Board (CARB), and later, the Federal Government's Environmental Protection Agency (EPA), required vehicle manufacturers to include a self diagnostic program capable of identifying an emissions-related fault via the vehicles On-Board Computers (some manufacturers used OBD before it was required).
Toyota/Lexus OBD1 Systems VEHICLES COVERED Year 1992 Model Celica Convertible 1992 1992 1993 1995 1992 1992 1993 1993 1994 1994 1993 1993 1993 1993 1993 1994 1994 1994 1995 1995 1991 1991 1992 1992 1993 1994 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 Eng. Size 2.2L Eng. Code 5S-FE DOHC/ SOHC DOHC 1.
Toyota/Lexus OBD1 Systems VEHICLES COVERED Year 1993 1993 1994 1994 1994 1995 1995 1992 1990 1991 1992 1992 1991 1992 1993 1994 1994 1993 1994 1993 Model Supra Supra Camry Supra Supra Supra Supra SC-300 ES-250 ES-250 ES-300 SC-400 LS-400 LS-400 SC-400 SC-400 SC-300 SC-400 GS-300 SC-300 Eng. Size 3.0L 3.0L 3.0L 3.0L 3.0L 3.0L 3.0L 3.0L 2.5L 2.5L 3.0L 4.0L 4.0L 4.0L 4.0L 4.0L 3.0L 4.0L 3.0L 3.0L Eng.
Toyota/Lexus OBD1 Systems DATA LINK CONNECTOR (DLC) / MIL DATA LINK CONNECTOR (DLC) Toyota vehicles are equipped with special Test Connectors that make it possible to connect specialized testing equipment that communicates with the vehicle's onboard computer. The CanOBD2&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&1 Scan Tool's Toyota Connector Cable Adaptor is designed to match the vehicle's DLC.
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 recommended 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.
Toyota/Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 1. Locate the vehicle's Data Link Connector (DLC). See Data Link Connector (DLC) on page 106 for connection location. Some DLCs have a plastic cover that must be removed before connecting the CanOBD2&1 Scan Tool's cable connector. 2. Connect the CanOBD2&1 Scan Tool cable (with the Toyota Connector Cable Adaptor attached) to the CanOBD2&1 Scan Tool, then connect the adaptor to the vehicle’s DLC.
Toyota/Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 7. If the CanOBD2&1 Scan Tool was able to link to the vehicle successfully a "Code retrieval was successful..." message shows temporarily on the CanOBD2&1 Scan Tool’s display followed by any retrieved DTCs. The CanOBD2&1 Scan Tool will display a code only if codes are present in the vehicle's computer memory. If no codes are present, a "No DTCs are presently stored in the vehicle's computer" message is displayed. 8.
Servicing DTCs OBD1 SYSTEMS SERVICING DTCs - OBD I 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.
Servicing DTCs OBD1 SYSTEMS 4. Red LED - Indicates there is a problem with one or more of the vehicle's systems. The red LED is also used to indicate that DTC(s) are present (displayed on the CanOBD2&1 Scan Tool's screen). In this case, the MIL or Check Engine light on the vehicle's instrument panel will be illuminated.
Erasing DTCs OBD1 SYSTEMS ERASING DTCs (OBD I SYSTEMS) When the CanOBD2&1 Scan Tool's ERASE function is used to erase DTCs from the vehicle's on-board computer, manufacturer specific 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.
Erasing DTCs OBD1 SYSTEMS If the erase was not successful, an advisory message shows on the CanOBD2&1 Scan Tool’s display. Verify that the CanOBD2&1 Scan Tool is properly connected to the vehicle's DLC and that the ignition is ON. If the erase process still does not 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.
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 and actuators, used to ensure peak performance and fuel efficiency while reducing pollutants in the vehicle’s emissions.
Glossary GLOSSARY OF TERMS AND ABBREVIATIONS OBD2 – On-Board Diagnostics Version 2 (also referred to as “OBD II”) On-Board Computer – The central processing unit in the vehicle’s computer control system. PCM – Powertrain Control Module Pending Code – A code recorded on the “first trip” for a “two-trip” code. If the fault that caused the code to be set is not detected on the second trip, the code is automatically erased.
Notes 116 CanOBD2&1
Warranty and Replacement Parts CRAFTSMAN TWO YEAR FULL WARRANTY If this Craftsman Scan Tool fails due to a defect in material or workmanship within two years from the date of purchase, return it to any Sears store, Parts & Repair Service Center or other Craftsman outlet for free repair (or replacement if repair proves impossible). This warranty applies for only 90 days if this Scan Tool is ever used for commercial or rental purposes.
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