Innova 3120d Owner's Manual
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Innova 3120d Owner's Manual

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  • Page 2 USING DIAGNOSTIC TOOL MEMORY VIEWING DATA IN MEMORY ..................GENERIC (GLOBAL) OBD2 PID LIST ..................VEHICLE APPLICATIONS VEHICLE APPLICATIONS – MAKES COVERED ............GLOSSARY GLOSSARY OF TERMS AND ABBREVIATIONS ............WARRANTY AND SERVICING LIMITED ONE YEAR WARRANTY ................... SERVICE PROCEDURES ....................3120d...
  • Page 3 The Diagnostic Tool provides the additional ability to retrieve enhanced DTCs from most Chrysler/Jeep, Ford/Mazda, GM/Izusu, Honda/Acura and Toyota/Lexus vehicles, as well as ABS DTCs and vehicle information. The types of enhanced data available depends on the vehicle make. 3120d...
  • Page 4 Codes, I/M Monitor Status and Freeze Frame data are displayed on the Diagnostic Tool’s display screen. System Status is indicated by LED indicators. Easy To Define ..Read code definitions from Diagnostic Tool’s display. View Freeze Frame data. View ABS DTCs 3120d...

  • Page 5: Safety First

    Connecting or disconnecting test equipment when the ignition is ON can damage test equipment and the vehicle's electronic components. Turn the ignition OFF before connecting the Diagnostic Tool to or disconnecting the Diagnostic Tool from the vehicle’s Data Link Connector (DLC). 3120d...

  • Page 6: Safety Precautions

    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. 3120d...

  • Page 7: Vehicles Covered

    (300 mm) of center of the panel, on the driver’s side of most vehicles. It should be easily accessible and visible from a BEHIND kneeling position outside the NEAR ASHTRAY CENTER vehicle with the door open. OF DASH LEFT CORNER OF DASH 3120d...

  • Page 8: Battery Replacement

    ENTER button to confirm your selection. After the initial language and unit of measurement selections are performed, these, as well as other settings, can be changed as desired. Proceed to “ADJUSTMENTS AND SETTINGS” on page 116 for further instructions. 3120d...

  • Page 9: Controls And Indicators

    Diagnostic Tool to the vehicle’s PCM to retrieve diagnostic data from the computer’s memory. 5. M button – When pressed, displays the Main Menu. 6. FF button – When pressed while linked to a vehicle, displays Freeze Frame data for the priority DTC. 3120d...
  • Page 10 18. OBD II Cable - Connects the Diagnostic Tool to the vehicle's Data Link Connector (DLC) when retrieving codes from OBD II systems. 19. TOYOTA Connector Cable Adaptor - Installs on cable (item 14) when connecting to a Toyota OBD1 Data Link Connector. 3120d...

  • Page 11: Display Functions

    "on", all 3 LEDs will light up as a last resort indicator to warn you that the batteries need replacement. No data will be displayed on screen when all 3 LEDs are lit. 3120d...
  • Page 12 “Freeze Frame” data has been stored. If “01” is a “Pending” code, there may or may not be “Freeze Frame” data stored in memory. 14. Code Enumerator - Indicates the total number of codes retrieved from the vehicle’s computer. 3120d...

  • Page 13: Computer Engine Controls

    By switching from mechanical to electronic engine controls, vehicle manufacturers are able to control fuel delivery and spark timing more precisely. Some newer Computer Control Systems also provide control over other vehicle functions, such as transmission, brakes, charging, body, and suspension systems. 3120d...
  • Page 14 EGR valve or Ignition Module to perform these actions. TYPICAL COMPUTER OUTPUT DEVICES CONTROL SYSTEM Fuel Injectors Idle Air Control EGR Valve Ignition Module On-Board Computer INPUT DEVICES Coolant Temperature Sensor INPUT DEVICES Throttle Position Sensor Oxygen Sensors Fuel Injectors 3120d...
  • Page 15 The California Air Resources Board (CARB) conducted studies on OBD1 equipped vehicles. The information that was gathered from these studies showed the following: A large number of vehicles had deteriorating or degraded emissions-related components. These components were causing an increase in emissions. 3120d...
  • Page 16 (Diagnostic Tools, Code Readers, etc.) and the vehicle’s on-board computer. OBD2 Terminology The following terms and their definitions are related to OBD2 systems. Read and reference this list as needed to aid in the understanding of OBD2 systems. 3120d...
  • Page 17 “Off.” Since each of the fifteen monitors is designed to run diagnostics and testing on a different part of the engine or emissions system, the “Trip Drive Cycle” needed for each individual Monitor to run and complete varies. 3120d...

  • Page 18: Diagnostic Trouble Codes (Dtcs)

    The 2nd character is a numeric digit (0 thru 3). It identifies the “type” of code (Generic or Manufacturer-Specific). Generic DTCs are codes that 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). 3120d...
  • Page 19 Auxiliary Emission Control System Vehicle Speed Control and Idle Control System Computer Output Circuits Transmission 8 - Transmission 9 - Transmission A - Hybrid Propulsion B - Hybrid Propulsion Hybrid Propulsion Identifies what section of the system is malfunctioning 3120d...
  • Page 20 If the failure is not found on the second Trip, the Pending DTC is erased from the computer’s memory. The MIL will stay lit for both Type “A” and Type “B” codes until one of the following conditions occurs: 3120d...

  • Page 21: Obd2 Monitors

    Continuous Monitors Three of these Monitors are designed to constantly monitor their associated components and/or systems proper operation. Continuous Monitors run constantly when the engine is running. The Continuous Monitors are: Comprehensive Component Monitor (CCM) Misfire Monitor Fuel System Monitor 3120d...
  • Page 22 In this case, the signal would fail the rationality test. The CCM is supported by both “spark ignition” vehicles and “compression ignition” vehicles. The CCM may be either a “One-Trip” or a “Two-Trip” Monitor, depending on the component. 3120d...
  • Page 23 The computer checks the efficiency of the catalytic converter by monitoring the oxygen sensors used by the system. One sensor is located before (upstream of) the converter; the other is located after (downstream of) the converter. If the catalytic converter loses its ability to store oxygen, 3120d...
  • Page 24 The computer energizes or de-energizes the purge solenoid (depending on solenoid design). The purge solenoid opens a valve to allow engine vacuum to draw the fuel vapors from the canister 3120d...
  • Page 25 The oxygen sensor only functions when the computer is in closed-loop. A properly operating oxygen sensor reacts quickly to any change in oxygen content in the 3120d...
  • Page 26 Pending Code. The computer does not command the MIL on at this time. If the fault is sensed again on the second trip, the computer commands the MIL “On,” and saves the code in its long-term memory. 3120d...
  • Page 27 Pending Code. The computer does not command the MIL on at this time. If the fault is sensed again on the second trip, the computer commands the MIL “On,” and saves the code in its long-term memory. 3120d...
  • Page 28 Number of trips needed, with no faults present, to erase a Pending Number and type of trips or drive cycles needed, with no faults present, to turn off the MIL Number of warm-up periods needed to erase the DTC from the computer’s memory after the MIL is turned off 3120d...
  • Page 29 Once per 3 trips trip Nox Adsorber Monitor Once per 3 trips trip Boost Pressure Once per 3 trips System Monitor trip Exhaust Gas Sensor Once per 3 trips Monitor trip PM Filter Monitor Once per 3 trips trip 3120d...

  • Page 30: Preliminary Vehicle Diagnostic Worksheet

    *VIN: Vehicle Identification Number, found at the base of the windshield on a metallic plate, or at the driver door latch area (consult your vehicle owner's manual for location). TRANSMISSION: Automatic Manual Please check all applicable items in each category. DESCRIBE THE PROBLEM: 3120d...
  • Page 31 Is too fast Fluctuates up and down RUNNING CONDITIONS No symptoms Backfires Runs rough Misfires or cuts out Lacks power Engine knocks, pings or rattles Bucks and jerks Surges Poor fuel economy Dieseling or run-on Hesitates or stumbles on accelerations 3120d...
  • Page 32 Above 55° F (13° C) Below freezing (32° F / 0° C) CHECK ENGINE LIGHT / DASH WARNING LIGHT Sometimes ON Always ON Never ON PECULIAR SMELLS "Hot" Gasoline Sulfur ("rotten egg") Burning oil Burning rubber Electrical STRANGE NOISES Rattle Squeak Knock Other 3120d...

  • Page 33: Before You Begin

    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 applicable), etc. 3120d...

  • Page 34: Vehicle Service Manuals

    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. 3120d...

  • Page 35: Code Retrieval Procedure

    DLC, the unit automatically turns ON. 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. 3120d...
  • Page 36 If no codes are present, the message “No Powertrain DTCs or Freeze Frame Data presently stored vehicle’s computer” displays. The Diagnostic Tool is capable of retrieving and storing up to 32 codes in memory, for immediate or later viewing. 3120d...
  • Page 37 Green LED – Indicates that all engine systems “OK” operating normally. All monitors supported by the vehicle have run performed their diagnostic testing, and no trouble codes are present. All Monitor icons will be solid. 3120d...
  • Page 38 LCD display shows a list of vehicle manufacturers. Use the UP DOWN buttons, as necessary, to highlight the appropriate manufacturer, then press the ENTER button to display the correct code definition for your vehicle. A confirmation message shows on the LCD display. 3120d...
  • Page 39 Diagnostic Tool returns to the “Priority” Code. 12. Determine engine system(s) condition by viewing the Diagnostic Tool’s display for any retrieved Diagnostic Trouble Codes, code definitions and Freeze Frame data, interpreting the green, yellow and red LEDs. 3120d...

  • Page 40: The System Menu

    UP and DOWN buttons, as necessary, to highlight Exit on the Select Manufacturer screen, then press the ENTER button to return to the previous screen. Enhanced data is not available for your vehicle. 3120d...

  • Page 41: Viewing Oem Enhanced Dtcs

    Toyota/Lexus ......... page 47 Other Vehicle ......... page 48 Chrysler/Jeep OEM Enhanced DTCs When OEM Enhanced is chosen from the System Menu (and Chrysler is selected when prompted), the Chrysler Enhanced menu displays. You may view either “Engine DTCs” or “Transmission DTCs.” 3120d...
  • Page 42 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 UP and DOWN buttons, as necessary, to view the additional information. 3120d...
  • Page 43 Test DTCs, start the vehicle’s engine before making your selection. If the KOER Test was selected, and the vehicle’s engine is not running, an advisory message shows on the Diagnostic Tool’s display. - Press the M button to return to the Main Menu. 3120d...
  • Page 44 POWER/LINK button to continue. 3. To read the display: Refer to DISPLAY FUNCTIONS on page 9 for a description of LCD display elements. A visible icon indicates that the Diagnostic Tool is being powered through the vehicle’s DLC connector. 3120d...
  • Page 45 General Motors/Isuzu OEM Enhanced DTCs When OEM Enhanced is chosen from the System Menu (and General Motors is selected when prompted), the GM Enhanced menu displays. You may view the “MIL DTC”, “Current DTC”, “Fail Since Clear DTC” or “History DTC.” 3120d...
  • Page 46 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 buttons, as necessary, to view the additional information. 3120d...
  • Page 47 DTCs. If the Diagnostic Tool fails to link to the vehicle’s computer, a “Linking Failed” message shows on the Diagnostic Tool’s display. Verify the ignition is ON, then press the POWER/LINK button to continue. 2. To read the display: 3120d...
  • Page 48 Diagnostic Tool returns to the “Priority” Code. To view additional OEM enhanced DTCs, repeat steps 1 through 4, above. To exit the enhanced mode, press the M button. The Diagnostic Tool returns to the Main Menu screen. 3120d...
  • Page 49 LCD display. If the definition for the currently displayed code is not available, an advisory message shows on the Diagnostic Tool’s display. I/M MONITOR STATUS icons are not displayed when viewing OEM enhanced DTCs. 3120d...
  • Page 50 Failed” message shows on the Diagnostic Tool’s display. Verify the ignition is ON, then press the POWER/LINK button to continue. 2. To read the display: Refer to DISPLAY FUNCTIONS on page 9 for a description of LCD display elements. 3120d...

  • Page 51: Viewing Abs Dtcs

    VIEWING ABS DTCs Refer to Vehicle Applications on page 126 for vehicles covered. Reading ABS DTCs 1. When View ABS DTCs is chosen from the System Menu, a "One moment please" message displays while the Diagnostic Tool retrieves the selected DTCs. 3120d...
  • Page 52 3. If more than one code was retrieved press the DTC button, as necessary, to display additional codes one at a time. Whenever the Scroll function is used to view additional codes, the Diagnostic Tool’s communication link with the vehicle’s computer disconnects. To re-establish communication, press the POWER/LINK button again. 3120d...

  • Page 53: Erasing Diagnostic Trouble Codes (Dtcs)

    ENTER button. Perform the appropri- ate Code Retrieval procedure (see page 38 for more information) and then proceed to step 3. 3. Press and release the ERASE button. A confirmation message shows on the LCD display. 3120d...

  • Page 54: I/M Readiness Testing

    If the vehicle 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. 3120d...
  • Page 55 The Monitor Run/Not Run status does not show whether or not a problem exists in a system. Monitor status only indicates whether a particular Monitor has or has not run and performed the self-diagnosis and testing of its associated system. 3120d...
  • Page 56 The green, yellow and red LEDs provide a quick way to help you determine if a vehicle is ready for an Emissions Test (Smog Check). Follow the instructions below to perform the Quick Check. Perform the CODE RETRIEVAL PROCEDURE as described on page 33, then interpret the LED indications as follows: 3120d...
  • Page 57 Monitor (a solid Monitor icon shows Monitor "Has Run" status, a flashing Monitor icon indicates "Has Not Run" status). Take this information to an emissions professional to determine (based on your test results) if your vehicle is ready for an Emissions Test (Smog Check). 3120d...
  • Page 58 Diagnostic Tool’s display will be flashing. Leave the Diagnostic 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. 3120d...

  • Page 59: About Repairsolutions

    RepairSolutions® allows you to view, save, and email the diagnostic data retrieved from a vehicle’s on-board computer(s) using an Innova Diagnostic Tool. RepairSolutions® also provides access to an extensive knowledge database including: Verified Fixes – Find the most likely fixes reported and verified by ASE Technicians for the retrieved DTCs.
  • Page 60 Using the Diagnostic Tool ABOUT REPAIRSOLUTIONS® Hardware Requirements: Innova Diagnostic Tool Mini USB Cable (included with tool) Minimum System Operating Requirements: Windows® PC System Windows® XP, Windows® Vista, or Windows® 7 128 MD Ram Pentium III Processor One available USB port Internet Connection Internet Explorer 5.5, Netscape 7.0 or Firefox 1.0 browser...

  • Page 61: Chrysler/Jeep Obd1 Systems

    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 systems. All 1993 through 1995 fuel injected Jeep and Chrysler vehicles are equipped with similar on-board computer systems. 3120d...

  • Page 62: Vehicles Covered

    Chrysler vehicles are equipped with special test connectors that make it possible to connect specialized testing equipment that communicates with the vehicle’s on-board computer. Chrysler’s vehicle test connectors are usually dark in color (BLACK or GREY) and are located under the hood. 3120d...

  • Page 63: Code Retrieval Procedure

    3. Turn the ignition ON. DO NOT start the engine. The Chrysler OBD1 Menu displays. 4. To view codes in the Diagnostic Tool’s memory: Use the UP and DOWN buttons, as necessary, to highlight Review DTCs, then press the ENTER button. 3120d...
  • Page 64 Diagnostic Tool. - Contact Technical Support for assistance. 8. If the Diagnostic Tool was able to link to vehicle successfully "Code retrieval was successful..." message shows temporarily on the Diagnostic Tool’s LCD display followed by any retrieved DTCs. 3120d...

  • Page 65: Erasing Dtcs

    3. Press and release the ERASE button. A confirmation message shows on the LCD display. If you are sure you want to proceed, use the UP and DOWN but- tons, as necessary, to highlight YES, then press the ENTER button. 3120d...
  • Page 66 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. 3120d...

  • Page 67: Ford Computer System Overview

    Capri, Cougar, LTD, Marquis, 2.3L I-4 OHC (YFA)* (6149)* Mustang, Tempo, Topaz 2.3L I-4 T, W EFI Turbo Capri, Cougar, Merkur XR4Ti, Mustang, T-Bird 2.3L I-4 HSC S, X Tempo, Topaz 3.8L V-6 Capri, Cougar, LTD, Marquis, Mustang, T-Bird 3120d...
  • Page 68 Escort, Tracer EEC-IV 2.0L I-4 A, 3 Contour, Mystique, Probe 2.5L V-6 Contour, Mystique 3.0L V-6 1, U Sable, Taurus (VIN 1 Taurus models are Flexible Fuel) 3.0L V-6 SHO 3.8L V-6 Cougar, Sable, Taurus, T-Bird 3.8L V-6 SC 3120d...
  • Page 69 5.0L V-8 5.8L V-8 FBC (2150A)* E and F Series Trucks/Vans (8500 lb. GVW or less only) 7.3L V-8 Diesel 7.5L V-8 1991-1994 2.3L I-4 OHC EFI, MFI Ranger EEC-IV 2.9L V-6 3.0L V-6 EFI, SEFI, SFI Aerostar, Ranger 3120d...

  • Page 70: Test Connectors

    (BLACK GREY). Sometimes they have a plastic 6-PIN cover over them or are labeled EEC Test. The connectors can be SINGLE found in the following general locations in the engine compart- ment: EEC-IV TEST CONNECTOR 3120d...

  • Page 71: Connecting The Diagnostic Tool

    Intermittent DTCs may cause the Malfunction Indicator light to flicker or stay on until the intermittent malfunction goes away. However, the corresponding 3120d...

  • Page 72: Code Retrieval Procedures

    To view codes in the Diagnostic Tool’s memory: 1. Locate the vehicle’s Data Link Connector (DLC). See TEST CONNECTORS on page 68 for connector location. Some DLCs have a plastic cover that must be removed before connecting the Diagnostic Tool’s cable connector. 3120d...
  • Page 73 Diagnostic Tool, then connect the adaptor to the vehicle's DLC. Press the POWER/LINK button to turn the Diagnostic Tool ON, then press the ENTER button to continue. The Ford OBD1 Menu displays. Use the buttons, as necessary, to make menu selections. 3120d...
  • Page 74 Tool's LCD display. Do the following: - Verify the ignition is ON. - Check the cable connections at the Diagnostic Tool and at the vehicle's DLC. - Turn the ignition OFF, wait 10 seconds, then turn back ON to reset the computer. 3120d...
  • Page 75 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 button to view the additional information. 11. Disconnect the Diagnostic Tool from the vehicle and turn the ignition key OFF. 3120d...
  • Page 76 Check your vehicle thoroughly before performing any test. See BEFORE YOU BEGIN on page 31 for details. ALWAYS observe safety precautions whenever working on a vehicle. Read and follow Safety Precautions on page 3 before performing this test. 3120d...
  • Page 77 ENTER button to continue. 6. When prompted, turn off all vehicle accessories, turn ignition key OFF and wait for the on screen prompt. If you wish to exit the Timing Check procedure at this time, press the M button. 3120d...
  • Page 78 Base timing may be out of adjustment, or the computer may have problems with the timing advance circuit. Refer to the vehicle's service repair manual for procedures on adjusting and/or repairing ignition timing. Repairs to ignition timing must be made before proceeding to the KOER Test. 3120d...
  • Page 79 If necessary, press the M button to exit, and perform an Engine Timing Check (page 74). Otherwise, press the ENTER button to continue. 4. The message “Warm up engine to operating temperature” displays. Start warm-up engine normal operating temperature. Press ENTER button to continue. 3120d...
  • Page 80 From 1991 to 1995 most use a three-digit code system. If the Diagnostic Tool fails to link to the vehicle’s computer, a “Vehicle is not responding” message shows on the Diagnostic Tool’s LCD display. Do the following: 3120d...
  • Page 81 The related vehicle problems that caused the codes to be sent must be repaired using the procedures described in the vehicle's repair manual. 13. After all repairs have been completed, repeat the KOER Self-Test. 3120d...

  • Page 82: Additional Tests For Eec-Iv Systems

    BEFORE YOU BEGIN on page 31 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 TEST CONNECTORS on page 68 for connector location. 3120d...
  • Page 83 Diagnostic Tool's LCD display. 7. When prompted by the message on the Tool's display, lightly press accelerator pedal half way and release to activate the cylinder balance test. For 1986 models ONLY: Fully press accelerator once release. 3120d...
  • Page 84 The "Output State Check" is a special program in the vehicle's computer 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. 3120d...
  • Page 85 6. Turn ignition ON. DO NOT start the engine. If your vehicle is equipped with one of the following engine types, perform added procedures described below: For 4.9L engines with standard transmission: Press and hold the clutch until the "Output State Check Active" screen displays. 3120d...
  • Page 86 9. If the Diagnostic Tool was able to link to the vehicle successfully an "Output State check active..." message shows temporar- ily on the Diagnostic Tool's LCD display. This message is followed by a display that instructs you how to perform the test. 3120d...
  • Page 87 1985 & Newer - Vane Air Flow Sensor (VAF) 1986 & Newer - Pressure Feedback EGR Sensor (PFE) 1990 & 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) 3120d...
  • Page 88 - Turn ignition START THE ENGINE. - Press the ENTER button to continue. To perform the KOER Wiggle Test: - Highlight KOER Wiggle Test. - Turn the ignition ON and start the engine. - Press the ENTER button to continue. 3120d...
  • Page 89 Press the M button if you wish to exit the Wiggle Test at this time. 9. Wiggle, tap and move the suspected sensor or wiring. If no faults are detected when performing the Wiggle Test, a "System Pass" message displays. 3120d...

  • Page 90: Erasing Dtcs

    When prompted, turn the ignition ON and press the ENTER button to continue. If you do not want to proceed, use the UP and DOWN buttons, as necessary, to highlight NO, then press the ENTER button to cancel the erase procedure. 3120d...
  • Page 91 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. 3120d...

  • Page 92: Your Vehicle's Computer System

    Firebird 3.4 liter/5.7 liter, Sunbird 2.0 liter/ 3.1 liter Trucks and All one ton capacity or less with gas engines Vans 1995 Chevrolet Caprice 4.3 liter Trucks and All one ton capacity or less with gas engines Vans (EXCEPT S/T Series vehicles) 3120d...

  • Page 93: About The Diagnostic Tool

    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 Diagnostic Tool or Scanner can be used to retrieve DTCs that are stored in the vehicle's computer memory. 3120d...

  • Page 94: Code Retrieval Procedure

    Diagnostic Tool, then connect the adaptor to the vehicle’s DLC. Press the POWER/LINK button to turn the Diagnostic Tool ON, then press the ENTER button to continue. The GM OBD1 menu displays. 3. To view codes in the Diagnostic Tool’s memory: 3120d...
  • Page 95 4th digit of the vehicle’s VIN, then press the ENTER button. If the “Truck” screen displays (not applicable to all vehicles), highlight Yes or No, as appropriate, then press the ENTER button. - The GM OBD1 menu displays for your confirmation. 3120d...
  • Page 96 Tool’s LCD display, followed by any retrieved DTCs. The Diagnostic Tool will display a code only of 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" is displayed. 3120d...

  • Page 97: Erasing Dtcs

    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 Diagnostic Tool to the vehicle’s DLC. Press the ENTER button to continue. 3120d...
  • Page 98 OFF, wait 10 seconds, then turn back ON and repeat steps 2 and 3. If the erase process fails after three attempts, the message “Contact Technical Support” displays. Press the M button to return to the GM OBD1 Menu. 3120d...
  • Page 99 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. 3120d...

  • Page 100: On-Board Vehicle Diagnostics (Obd1)

    1993 Camry Sedan 3.0L 3VZ-FE DOHC 1993 Camry Sedan 2.2L 5S-FE DOHC 1994 Camry Sedan 2.2L 5S-FE DOHC 1993 Celica 2.0L 3S-GTE DOHC Turbo 1993 Celica 2.2L 5S-FE DOHC 1994 Celica 1.8L 7A-FE DOHC 1994 Celica 2.2L 5S-FE DOHC 3120d...
  • Page 101 SOHC DLC 2 Cars DOHC/ Eng. Eng. Year Model Size Code SOHC Other Type 1989 Cressida 3.0L 7M-GE DOHC 1990 Cressida 3.0L 7M-GE DOHC 1991 Cressida 3.0L 7M-GE DOHC 1992 Cressida 3.0L 7M-GE DOHC 1993 Camry 3.0L 3VZ-FE DOHC 3120d...
  • Page 102 2TZ-FE DOHC 1994 Previa 2.4L 2TZ-FE DOHC 1994 T100 3.0L 3VZ-FE SOHC 1995 4 Runner 2.4L 22R-E SOHC 1995 4 Runner 3.0L 3VZ-FE SOHC 1995 Pickup 2.4L 22R-E SOHC 1995 Pickup 3.0L 3VZ-FE SOHC 1995 Previa 2.4L 2TZ-FE DOHC 3120d...

  • Page 103: Data Link Connector (Dlc)

    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 computer control system. SERVICE SERVICE ENGINE ENGINE CHECK ENGINE SOON 3120d...

  • Page 104: Diagnostic Trouble Codes

    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. 3120d...
  • Page 105 Press the ENTER button to continue. The Diagnostic Tool will begin the code retrieval process. 7. When the Diagnostic Tool is in the process of retrieving codes, a "One moment please..." message shows on the Diagnostic Tool’s LCD display. 3120d...
  • Page 106 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 button, to view the additional information. 10. Disconnect the Diagnostic Tool from the vehicle and turn the ignition key OFF. 3120d...

  • Page 107: Erasing Dtcs

    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. 3120d...

  • Page 108: Viewing Freeze Frame Data

    SPECIAL TEST MENU Additional tests are accessed through the “Special Test Menu.” The following functions are available from the "Special Test Menu:" O2 Sensor Test - Retrieves and displays O2 sensor monitor test results from your vehicle's on-board computer. 3120d...
  • Page 109 Y or YY - These characters identity the location of the O2 sensor in relation to the exhaust system catalyst. An O2 sensor located upstream of the catalyst is identified by the designation”1” or "S1", a sensor lo- cated downstream of the Catalytic Converter is identified as “2” or "S2." 3120d...
  • Page 110 “Special Test Menu” 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. 3120d...
  • Page 111 Status is shown as either Low, High or OK. 5. Press the M button to return to the “Select Test” screen. When you have finished viewing the retrieved test data, press the M button to return to the Main Menu. 3120d...

  • Page 112: Viewing Vehicle Information

    The Vehicle ID function is applicable to model year 2000 and newer OBD2-compliant vehicles. The Diagnostic 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: 3120d...
  • Page 113 1. With the Diagnostic Tool in OBD2 mode, press and release the M button. The Main Menu displays. 2. Use the UP and DOWN buttons, as necessary, to highlight Vehicle Infor- mation, then press the ENTER button. 3120d...
  • Page 114 The Vehicle Info Menu displays. 3. Use the UP and DOWN buttons, as necessary, to highlight IPT, then press the ENTER button. 4. A “One moment please . . .” message displays while the requested information is retrieved from the vehicle’s computer. 3120d...

  • Page 115: Using The Dtc Library (Obd1)

    ENTER button. A confirmation message shows on the LCD display. If the correct manufacturer is shown, use the UP DOWN buttons, as necessary, to highlight YES, then press the ENTER button to continue. 3120d...

  • Page 116: Using The Dtc Library (Obd2)

    1. With the Diagnostic Tool in OBD2 mode, press and release the M button. The Main Menu displays. 2. Use the UP and DOWN buttons, as necessary, to highlight DTC Library in the Main Menu, then press the ENTER button. The DTC Library Menu displays. 3120d...
  • Page 117 YES then press the ENTER button to continue. - If the correct manufacturer is not shown, use the UP DOWN buttons, as necessary, to highlight NO then press the ENTER button to return to the list of vehicle manufacturers. 3120d...

  • Page 118: Viewing The Firmware Version

    Display Backlight: Turns the display backlight on and off. Select Language: Sets the display language for the Diagnostic Tool to English, French or Spanish. Unit of Measurement: Sets the Unit of Measurement for the Diagnostic Tool’s display to USA or metric. 3120d...
  • Page 119 DOWN buttons, as necessary, to highlight Audible Tone in the Tool Setting Menu, then press the ENTER button. The Audible Tone screen displays. 2. Use the UP and DOWN buttons, as necessary, to highlight ON or OFF as desired. 3120d...
  • Page 120 Tool Setting Menu (shown in the selected display language). Setting the Unit of Measurement 1. Use the UP and DOWN buttons, as necessary, to highlight Unit of Measurement in the Tool Setting Menu, then press the ENTER button. 3120d...
  • Page 121 Unit of Measurement. 3. When the desired Unit of Measurement value is selected, press the ENTER button to save your changes and return to the Tool Setting Menu. Exiting the Tool Setting Mode Press the M button. 3120d...

  • Page 122: Viewing Data In Memory

    If there are no DTCs currently stored in the Diagnostic Tool’s memory, an advisory message shows on the display. 3. When you have finished viewing data in the Diagnostic Tool's memory, press and release the POWER/LINK button to turn the Diagnostic Tool off. 3120d...

  • Page 123: Generic (Global) Obd2 Pid List

    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 3120d...
  • Page 124 XXXX, XX Engine Run Time while MIL ON Monitor Status ICONS on Monitor Status this Driving Cycle Display O2S B1 S1 X.XXX Bank 1 - Sensor 1 O2S B1 S1 X.XXX Bank 1 - Sensor 1 O2S Current 3120d...
  • Page 125 Oxygen Sensor, Bank 2, Sensor 2 O2S Location O2S31 Oxygen Sensor, Bank 3, Sensor 1 O2S Location O2S32 Oxygen Sensor, Bank 3, Sensor 2 O2S Location O2S41 Oxygen Sensor, Bank 4, Sensor 1 O2S Location O2S42 Oxygen Sensor, Bank 4, Sensor 2 3120d...
  • Page 126 Short Term Fuel Trim-Bank 4 Time DTC Clr hrs, XXXX, XX Time since DTC Cleared Time Since XXXX Time Since Engine Start Start XXX.X Absolute Throttle Position TPS B XXX.X Absolute Throttle Position B TPS C XXX.X Absolute Throttle Position C 3120d...
  • Page 127 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description Veh Speed km/h XXX / XXX Vehicle Speed Sensor Warm-up DTC # Warm-ups since DTC Cleared 3120d...

  • Page 128: Vehicle Applications – Makes Covered

    VEHICLE APPLICATIONS – MAKES COVERED The Diagnostic Tool has the ability to retrieve and erase ABS codes. Vehicle Makes supported by the Diagnostic Tool are shown below. BUICK JEEP CADILLAC LEXUS CHEVROLET LINCOLN CHRYSLER MERCURY DODGE OLDSMOBILE FORD PONTIAC SCION HUMMER TOYOTA 3120d...

  • Page 129: Glossary Of Terms And Abbreviations

    Manufacturer Specific Code – A DTC that applies only to OBD2 compliant vehicles made by a specific manufacturer. MIL – Malfunction Indicator Lamp (also referred to as “Check Engine” light OBD1 – On-Board Diagnostics Version 1 (also referred to as “OBD I”) 3120d...
  • Page 130 (fine tune) on a short-term basis. Trip Drive Cycle – Vehicle operation that provides the necessary driving condition to enable a vehicle Monitor to run and complete its diagnostic testing. VECI – Vehicle Emission Control Information Decal 3120d...

  • Page 131: Limited One Year Warranty

    GM OBD1 Adaptor: MRP #05-0005 Rev. A Ford OBD1 Adaptor: MRP #05-0004 Chrysler OBD1 Adaptor: MRP #05-0006 Toyota OBD1 Adaptor: MRP #05-0009 Rev. A Extension Cable: MRP #13-0016 Rev. A Micro USB Cable: MRP #13-0024 OBD2 Cable: MRP #05-0014 Rev. B 3120d...

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