Innova OBD2 Owner's Manual
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Innova OBD2 Owner's Manual

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  • Page 2 ADDITIONAL TESTS SPECIAL TEST MENU ..................... VIEWING VEHICLE INFORMATION ................USING THE DTC LIBRARY (OBD1) ................. USING THE DTC LIBRARY (OBD2) ................. VIEWING THE FIRMWARE VERSION ................ADJUSTMENTS AND SETTINGS ..................USING SCAN TOOL MEMORY VIEWING DATA IN MEMORY ..................
  • Page 3 Introduction WHAT IS OBD? WHAT IS OBD? The scan tool is designed to work on all OBD2 compliant vehicles. All 1996 and newer vehicles (cars, light trucks and SUVs) sold in the United States are OBD2 compliant. One of the most exciting improvements in the...
  • Page 4 You Can Do It! EASY TO USE - EASY TO VIEW - EASY TO DEFINE Easy To Use ..Connect the scan tool to the vehicle’s test connector. Turn the ignition key "On.” The tool will automatically link to the vehicle’s computer.

  • Page 5: Safety First

    Safety Precautions SAFETY FIRST! SAFETY FIRST! To avoid personal injury, instrument damage and/or damage to your vehicle; do not use the 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.

  • Page 6: Safety Precautions

    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.

  • Page 7: Vehicles Covered

    About the Scan Tool VEHICLES COVERED VEHICLES COVERED The 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;...

  • Page 8: Battery Replacement

    About the Scan Tool BATTERY REPLACEMENT On some Asian and European vehicles the DLC is located behind the “ashtray” (the ashtray must be removed to access it) or on the far left corner of the dash. If the DLC cannot be located, consult the vehicle’s service manual for the location.

  • Page 9: Controls And Indicators

    Scan Tool Controls CONTROLS AND INDICATORS CONTROLS AND INDICATORS Figure 1. Controls and Indicators See Figure 1 for the locations of items 1 through 19, below. ERASE button - Erases Diagnostic Trouble Codes (DTCs), and “Freeze Frame” data from your vehicle’s computer, and resets Monitor status.
  • Page 10 Scan Tool Controls CONTROLS AND INDICATORS UP button – When in MENU mode, scrolls UP through the menu and submenu selection options. When LINKED to a vehicle, scrolls UP through the current display screen to display any additional data. ENTER button - When in MENU mode, confirms the selected option or value.

  • Page 11: Display Functions

    Scan Tool Controls DISPLAY FUNCTIONS DISPLAY FUNCTIONS 11 12 13 Figure 2. Display Functions See Figure 2 for the locations of items 1 through 14, following. 1. I/M MONITOR STATUS field - Identifies the I/M Monitor status area. 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).
  • Page 12 Scan Tool Controls DISPLAY FUNCTIONS 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.

  • Page 13: Computer Engine Controls

    Onboard Diagnostics COMPUTER ENGINE CONTROLS COMPUTER ENGINE CONTROLS The Introduction of Electronic Engine Controls Electronic Computer Control Systems make it possible for vehicle manufacturers to comply with the tougher emissions and fuel efficiency standards mandated by State and Federal Governments. As a result of increased air pollution (smog) in large cities, such as Los Angeles, the California Air Resources Board (CARB) and the Environmental Protection Agency (EPA)
  • Page 14 Onboard Diagnostics COMPUTER ENGINE CONTROLS The Basic Engine Computer Control System The Computer Control System consists of an on-board computer and several related control devices (sensors, switches, and actuators). The on-board computer is the heart of the Computer Control System. The computer contains several programs with preset reference values for air/fuel ratio, spark or ignition timing, injector pulse width, engine speed, etc.
  • Page 15 These codes can be retrieved from the computer’s memory with the use of a “Code Reader” or a “Scan Tool.” On-Board Diagnostics - Second Generation (OBD2) addition performing...
  • Page 16 This new system is known as “On-Board Diagnostics Generation Two (OBD2).” The primary objective of the OBD2 system is to comply with the latest regulations and emissions standards established by CARB and the EPA.
  • Page 17 Onboard Diagnostics COMPUTER ENGINE CONTROLS Powertrain Control Module (PCM) - The PCM is the OBD2 accepted term for the vehicle’s “on-board computer.” In addition to controlling the engine management and emissions systems, also participates in controlling the powertrain (transmission) operation. Most PCMs also have the ability to communicate with other computers on the vehicle (ABS, ride control, body, etc.).

  • Page 18: Diagnostic Trouble Codes (Dtcs)

    Onboard Diagnostics DIAGNOSTIC TROUBLE CODES (DTCs) OBD2 Drive Cycle - An OBD2 Drive Cycle is an extended set of driving procedures that takes into consideration the various types of driving conditions encountered in real life. These conditions may include starting the vehicle when it is cold, driving the vehicle at a steady speed (cruising), accelerating, etc.
  • Page 19 The Federal Government does not require vehicle manufacturers to go beyond the standardized generic DTCs in order to comply with the new OBD2 emissions standards. However, manufacturers are free to expand beyond the standardized codes to make their systems easier to diagnose.
  • Page 20 Onboard Diagnostics DIAGNOSTIC TROUBLE CODES (DTCs) 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 subsystem) where the fault was found.

  • Page 21: Obd2 Monitors

    Currently, fifteen Monitors are supported by OBD2 systems. Additional monitors may be added as a result of Government regulations as the OBD2 system grows and matures. Not all vehicles support all fifteen Monitors. Additionally, some Monitors are supported by “spark ignition”...
  • Page 22 Onboard Diagnostics OBD2 MONITORS Non-Continuous Monitors The other twelve Monitors are “non-continuous” Monitors. “Non- continuous” Monitors perform and complete their testing once per trip. The “non-continuous” Monitors are: Oxygen Sensor Monitor Oxygen Sensor Heater Monitor Catalyst Monitor Heated Catalyst Monitor...
  • Page 23 Onboard Diagnostics OBD2 MONITORS Fuel System Monitor - This Monitor uses a Fuel System Correction program, called Fuel Trim, inside the on-board computer. Fuel Trim is a set of positive and negative values that represent adding or subtracting fuel from the engine. This program is used to correct for a lean (too much air/not enough fuel) or rich (too much fuel/not enough air) air-fuel mixture.
  • Page 24 MIL “On,” and saves the code in its long-term memory. Evaporative System (EVAP) Monitor - OBD2 vehicles are equipped with a fuel Evaporative system (EVAP) that helps prevent fuel vapors from evaporating into the air. The EVAP system carries fumes from the fuel tank to the engine where they are burned during combustion.
  • Page 25 Onboard Diagnostics OBD2 MONITORS into the engine where the vapors are burned. The EVAP Monitor checks for proper fuel vapor flow to the engine, and pressurizes the system to test for leaks. The computer runs this Monitor once per trip.
  • Page 26 Onboard Diagnostics OBD2 MONITORS exhaust stream. A faulty oxygen sensor reacts slowly, or its voltage signal is weak or missing. The Oxygen Sensor Monitor is supported by “spark ignition” vehicles only. The Oxygen Sensor Monitor is a “Two-Trip” monitor. If a fault is found on the first trip, the computer temporarily saves the fault in its memory as a Pending Code.
  • Page 27 Onboard Diagnostics OBD2 MONITORS NOx Aftertreatment Monitor - NOx aftertreatment is based on a catalytic converter support that has been coated with a special washcoat containing zeolites. NOx Aftertreatment is designed to reduce oxides of nitrogen emitted in the exhaust stream. The zeolite acts as a molecular "sponge"...
  • Page 28 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. OBD2 Reference Table The table below lists current OBD2 Monitors, and indicates the following for each Monitor: Monitor Type (how often does the Monitor run; Continuous or...
  • Page 29 Onboard Diagnostics OBD2 MONITORS Name of Monitor Comprehensive Continuous Component Monitor Misfire Monitor 3 - similar Continuous (Type 1 and 3) conditions Misfire Monitor 3 - similar Continuous (Type 2) conditions Fuel System Monitor 3 - similar Continuous 1 or 2...

  • Page 30: Preliminary Vehicle Diagnostic Worksheet

    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.
  • Page 31 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET WHEN DID YOU FIRST NOTICE THE PROBLEM: Just Started Started Last Week Started Last Month Other: LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS: PROBLEMS STARTING No symptoms Cranks, but will not start Will not crank Starts, but takes a long time...
  • Page 32 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET AUTOMATIC TRANSMISSION PROBLEMS (if applicable) No symptoms Vehicle does not move when in gear Shifts too early or too late Jerks or bucks Changes gear incorrectly PROBLEM OCCURS Morning Afternoon Anytime ENGINE TEMPERATURE WHEN PROBLEM OCCURS Cold Warm DRIVING CONDITIONS WHEN PROBLEM OCCURS...

  • Page 33: Before You Begin

    Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The scan tool aids in monitoring electronic- and emissions-related faults in your vehicle and retriev- ing fault codes related to malfunc- tions in these systems. Mechani- cal problems such as low oil level or damaged hoses, wiring or elec- trical connectors can cause poor engine performance and may also cause a fault code to set.

  • 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.

  • Page 35: Code Retrieval Procedure

    Using the Scan Tool CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes (DTCs) for troubleshooting vehicle operation is only one part of an overall diagnostic strategy. Never replace a part based only on the DTC definition. Each DTC has a set of testing procedures, instructions and flow charts that must be followed to confirm the location of the problem.
  • Page 36 - Turn the ignition OFF, wait 5 seconds, then turn back ON to reset the computer. - Ensure your vehicle is OBD2 compliant. See VEHICLES COVERED on page 5 for vehicle compliance verification information. The scan tool will display a code only if codes are present in the vehicle’s computer memory.
  • Page 37 Using the Scan Tool CODE RETRIEVAL PROCEDURE 8. To read the display: Refer to DISPLAY FUNCTIONS on page 9 for a description of display elements. A visible icon indicates that the scan tool is being powered through the vehicle’s DLC connector. A visible icon indicates that the scan tool is linked to (communicating with) the vehicle’s computer.
  • Page 38 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. The scan tool automatically displays the code definitions (if available) for Generic DTC’s.
  • Page 39 DTC in sequence until all DTCs in its memory have displayed. Freeze Frame Data (if available) will display after DTC #1. OBD2 systems, when emissions-related engine malfunction occurs that causes a DTC to set, a...

  • Page 40: The System Menu

    Using the Scan Tool THE SYSTEM MENU 11. When the last retrieved DTC has been displayed and the DTC/FF button is pressed, the scan tool returns to the “Priority” Code. 12. Determine engine system(s) condition by viewing the scan tool’s display for any retrieved Diagnostic Trouble Codes, code definitions and Freeze Frame data, interpreting the green, yellow and red LEDs.

  • Page 41: Viewing Oem Enhanced Dtcs

    Exit on the Select Manufacturer screen, then press the ENTER button to return to the OBD2 DTC screen. Enhanced data is not available for your vehicle. If a Manufacturer specific DTC was retrieved, and the manufacturer...
  • Page 42 Using the Scan Tool VIEWING OEM ENHANCED DTCs 1. Use the UP and DOWN buttons, as necessary, to highlight the desired option, then press the ENTER button. Transmission DTCs are not sup- ported on most Chrysler/Jeep ve- hicles manufactured prior to 2002. A “One moment please”...
  • Page 43 Using the Scan Tool VIEWING OEM ENHANCED 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 OEM Enhanced DTC’s are presently stored in the vehicle’s computer”...
  • Page 44 Using the Scan Tool VIEWING OEM ENHANCED DTCs 2. An “instructional” message shows on the scan tool’s display. Perform test procedures as appropriate. If the Continuous Memory or KOEO test was selected, turn the ignition OFF, then back ON. Press the ENTER button to start the test.
  • Page 45 Using the Scan Tool VIEWING OEM ENHANCED DTCs If the definition for the currently displayed code is not available, an advisory message shows on the scan tool’s 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...
  • Page 46 Using the Scan Tool VIEWING OEM ENHANCED DTCs 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, “Linking Failed” message shows on the scan tool’s display.
  • Page 47 Using the Scan Tool VIEWING OEM ENHANCED DTCs Whenever the Scroll function is used to view additional codes, the scan tool’s communication link with the vehicle’s computer disconnects. re-establish communication, press POWER/LINK button again. 4. When the last retrieved DTC has been displayed and the DTC/FF button is pressed, the scan tool returns to the “Priority”...
  • Page 48 Using the Scan Tool VIEWING OEM ENHANCED DTCs The Diagnostic Trouble Code (DTC) and related code definition are shown in the lower section of the LCD display. If the definition for the currently displayed code is not available, an advisory message shows on the scan tool’s LCD display.
  • Page 49 Using the Scan Tool VIEWING OEM ENHANCED DTCs Current DTCs, History DTCs or Pending DTCs Current DTCs, Historical DTCs or Readiness DTCs 1. Use the UP and DOWN buttons, as necessary, to highlight the desired option, then press the ENTER button.
  • Page 50 Using the Scan Tool VIEWING OEM ENHANCED 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 OEM Enhanced DTC’s are presently stored in the vehicle’s computer”...

  • Page 51: Viewing Abs Dtcs

    Using the Scan Tool VIEWING ABS 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. 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.

  • Page 52: Erasing Diagnostic Trouble Codes (Dtcs)

    Using the Scan Tool ERASING DIAGNOSTIC TROUBLE CODES (DTCs) A visible icon indicates that the 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.
  • Page 53 I/M Readiness Monitor Status program resets the status of all Monitors to a not run "flashing" condition. To set all of the Monitors to a DONE status, an OBD2 Drive Cycle must be performed. Refer to your vehicle's service manual for information on how to perform an OBD2 Drive Cycle for the vehicle under test.

  • Page 54: I/M Readiness Testing

    Emissions Tests are generally performed once a year, or once every two years. On OBD2 systems, the I/M program is enhanced by requiring vehicles to meet stricter test standards. One of the tests instituted by the Federal Government is called I/M 240.
  • Page 55 Using the Scan Tool I/M READINESS TESTING 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.
  • Page 56 Using the Scan Tool I/M READINESS TESTING 2. In addition to the requirement that no Diagnostic Trouble Codes be present, some areas also require that all the Monitors that a particular vehicle supports indicate a "Has Run" status condition before an Emissions Check may be performed. 3.
  • Page 57 Using the Scan Tool 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.

  • Page 58: 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 scan 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 59 Technical Service Bulletins – Research known problems reported by vehicle manufacturers. Safety Recalls – Research known safety concerns applicable to a vehicle. Hardware Requirements: Innova scan tool Mini USB Cable (included with tool) Minimum System Operating Requirements: Windows® PC System Windows® XP, Windows® Vista, or Windows® 7...

  • Page 60: Chrysler/Jeep Obd1 Systems

    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.

  • Page 61: Vehicles Covered

    Chrysler/Jeep OBD1 Systems VEHICLES COVERED - INSTRUMENT PANEL INDICATOR LIGHTS - DLC VEHICLES COVERED This section covers Chrysler fuel injected vehicles from 1989-1995. Model Type Year Model Passenger 1989-1994 Chrysler, Dodge and Plymouth Fuel Cars 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 2.5L (ALL...

  • Page 62: Code Retrieval Procedure

    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.
  • Page 63 Chrysler/Jeep OBD1 Systems CODE RETRIEVAL PROCEDURE 5. To retrieve codes from the vehicle’s computer: Use the UP and DOWN buttons, as necessary, to highlight the model year of the vehicle, then press the ENTER button. 6. Prepare the vehicle to retrieve codes: For 1989-1994 Chrysler/Jeep vehicles: The scan tool will automatically begin the code retrieval process.

  • Page 64: Erasing Dtcs

    Chrysler/Jeep OBD1 Systems ERASING 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 DTC's are presently stored in the vehicle's computer" message is displayed. 9.
  • Page 65 Chrysler/Jeep OBD1 Systems ERASING DTCs If you are sure you want to proceed, use the UP and DOWN buttons, as necessary, to highlight YES, then 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...

  • Page 66: Ford Computer System Overview

    Ford OBD1 Systems FORD COMPUTER SYSTEM OVERVIEW - VEHICLES COVERED FORD COMPUTER SYSTEM OVERVIEW The 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.
  • Page 67 Ford OBD1 Systems VEHICLES COVERED - CARS Fuel Systems (Carburetor Computer Engine Digit** Model) Application/Special Notes System 1984-1986 (Cont) 5.0L V-8 F, M CFI, SEFI Capri, Continental, Colony EEC-IV Park, Cougar, Country Squire, Crown Victoria, Grand Marquis, LTD, Mark VII, Marquis, Mustang, T-Bird, Town Car 1987-1993...
  • Page 68 Ford OBD1 Systems VEHICLES COVERED - TRUCKS/VANS Fuel Systems (Carburetor Computer Engine Digit** Model) Application/Special Notes System 1995 (Cont) 4.6L V8 DOHC Mark VIII EEC-IV 5.0L V-8 HO Mustang 5.0L V-8 SHP NOTES * Carburetor Model. Carburetor model numbers are usually stamped on top of the carburetor, or on a metal tab attached to the carburetor.

  • Page 69: Test Connectors

    Ford OBD1 Systems VEHICLES COVERED - TRUCKS/VANS - TEST CONNECTORS Fuel Systems (Carburetor Computer Engine Digit** Model) Application/Special Notes System 1991-1994 (Cont) 4.0L V-6 EFI, MFI Aerostar, Explorer, Ranger EEC-IV 4.9L I-6 Y, H EFI, MFI, SFI Bronco, E and F Series Trucks/Vans (8500 lb.

  • Page 70: Connecting The Scan Tool

    Ford OBD1 Systems CONNECTING THE SCAN TOOL - DIAGNOSTIC TROUBLE CODES (DTCs) Near the front corner (right or left). Near the fender well (right or left). Near the fire wall (right or left). CONNECTING THE SCAN TOOL The scan tool's Ford Connector Cable Adaptor is designed to match the vehicle's computer DLC.

  • Page 71: Code Retrieval Procedures

    Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - OVERVIEW - REVIEWING DTCs 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 automatically erase the related fault code from its memory.
  • Page 72 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOEO TEST 2. Connect the scan tool cable (with the Ford Connector Cable Adaptor attached) to the scan tool, then connect the adaptor to the vehicle’s DLC. Press the POWER/LINK button to turn the scan tool ON, then press the ENTER button to continue.
  • Page 73 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES – KOEO TEST 3. From the Ford OBD1 Menu, highlight KOEO Test, then press the ENTER button. The LCD display shows instructions to prepare the vehicle for the KOEO Test. 4. Start and warm-up engine to normal operating temperature.
  • Page 74 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOEO TEST BE SURE to perform the added procedures in step 6, if appropriate for your vehicle, BEFORE turning the ignition ON. - Press ENTER button to continue. If the scan tool cannot link to the vehicle’s computer, the message “Contact Technical Support”...
  • Page 75 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK 12. To prolong battery life, the scan tool automatically shuts "Off" after approximately three minutes of no button activity. The DTCs retrieved will remain in the scan tool's memory, and may be viewed at any time. If the scan tool's batteries are removed, or if the scan tool is re-linked to a vehicle to retrieve codes, any prior codes in its memory are automatically cleared.
  • Page 76 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK A timing light is required to perform this test. The vehicle must pass the KOEO Test (page 70) before performing this test. 1. Locate the vehicle's Data Link Connector (DLC). See TEST CONNECTORS on page 67 for connector location.
  • Page 77 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - ENGINE TIMING CHECK 7. When instructed by the message on the scan tool's display, start the engine and press the ENTER button. A "One moment please preparation for test is in progress” message shows temporarily on the scan tool's display, followed...
  • Page 78 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST Key on Engine Running (KOER) Self-Test IMPORTANT: The KOEO Self-Test (page 70) must be performed 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.
  • Page 79 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST 5. When prompted, turn off all vehicle accessories, turn ignition key OFF and wait for the on screen prompt. If you wish to exit the KOER test at this time, press the M button. 6.
  • Page 80 Ford OBD1 Systems CODE RETRIEVAL PROCEDURES - KOER TEST - Verify the ignition is ON. - Check the cable connections at the scan tool and at the vehicle’s DLC. - Turn the ignition OFF, wait 10 seconds, then turn back ON to reset the computer.

  • Page 81: Additional Tests For Eec-Iv Systems

    Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - CYLINDER BALANCE TEST 14. If a "pass code" (code 11 or 111) is received, it indicates that the repairs were successful and all the related systems are working properly. 15. If a "pass code" (code 111 or 111) is not received, the repair was unsuccessful.
  • Page 82 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - CYLINDER BALANCE TEST Some DLCs have a plastic cover that must be removed before connecting the scan tool cable connector. 2. Connect the scan tool cable (with the Ford Connector Cable Adaptor attached) to the scan tool, then connect the adaptor to the vehicle's DLC.
  • Page 83 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS – RELAY AND SOLENOID TEST 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. It may take up to five minutes before test...
  • Page 84 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - RELAY AND SOLENOID TEST Use this test to check computer output voltages and relay/solenoid operation. 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 31 for details.
  • Page 85 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS – RELAY AND SOLENOID TEST For 7.3L diesel engines: Press and hold accelerator until the "Output State Check Active" screen displays For 2.3L turbo engines with octane switch: Put switch in premium position. 7.
  • Page 86 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST 10. When prompted, 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.
  • Page 87 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST ALWAYS observe safety precautions whenever working on a vehicle. Read and follow Safety Precautions on page 3 before performing this test. 1. Locate vehicle's Data Link Connector (DLC). TEST CONNECTORS on page 67 for connector location.
  • Page 88 Ford OBD1 Systems ADDITIONAL TESTS FOR EEC-IV SYSTEMS - WIGGLE TEST 7. A "One moment please test is in progress" message shows temporarily on the scan tool’s LCD display. If the scan tool fails to link to the vehicle's computer, a "Vehicle is not responding"...

  • Page 89: Erasing Dtcs

    Ford OBD1 Systems ERASING DTCs fault 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.
  • Page 90 Ford OBD1 Systems ERASING DTCs If you do not want to proceed, use the UP and DOWN buttons, as necessary, to highlight NO, then press the ENTER button to exit the erase function. 4. If you chose to erase DTCs, a status screen displays while the erase function is in progress.

  • Page 91: Your Vehicle's Computer System

    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 scan tool allows you access to the computer's memory and retrieves the DTC's.

  • Page 92: About The Scan Tool

    GM OBD1 Systems ABOUT THE SCAN TOOL - DLC - MIL - DTCs In addition to the list on the previous page, this 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 scan tool.

  • Page 93: Code Retrieval Procedure

    GM OBD1 Systems CODE RETRIEVAL PROCEDURE 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.
  • Page 94 GM OBD1 Systems CODE RETRIEVAL PROCEDURE Use the UP and DOWN buttons, as necessary, to highlight Review DTCs, then press the ENTER button. 4. To retrieve codes from the vehicle’s computer: Use the buttons, as necessary, to make menu selections. To retrieve DTCs from the vehicle selection currently in the scan tool’s memory:...
  • Page 95 GM OBD1 Systems CODE RETRIEVAL PROCEDURE - If the information shown in the “Current Selection” field is correct, highlight Current Selection, turn ignition key ON (DO NOT start engine) and press the ENTER button. Proceed to step 4 to continue. If the year shown is not correct, highlight Select New Vehicle and press the ENTER button to return to the “Select...

  • Page 96: Erasing Dtcs

    GM OBD1 Systems ERASING DTCs In the case of long code definitions, a small arrow is shown in the upper/lower right-hand corner of the code display area to indicate the presence of additional information. Use the button to view the additional information. Code 12 will always be present and it has one of the following meanings: If code 12 is the only DTC retrieved and your vehicle "STARTS OK"...
  • Page 97 GM OBD1 Systems ERASING DTCs If you are sure you want to proceed, use the UP and DOWN buttons, as necessary, to highlight YES, then 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...

  • Page 98: On-Board Vehicle Diagnostics (Obd1)

    Toyota/Lexus OBD1 Systems ON-BOARD VEHICLE DIAGNOSTICS - 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).
  • Page 99 Toyota/Lexus OBD1 Systems VEHICLES COVERED DOHC/ Eng. Eng. Year Model Size Code SOHC Other Type 1992 Celica 2.2L 5S-FE DOHC Convertible 1992 Celica Coupe 1.6L 4A-FE DOHC 1992 Celica Coupe 2.2L 5S-FE DOHC 1993 Celica Coupe 1.6L 4A-FE DOHC 1995 Celica Coupe 1.8L 7A-FE...
  • Page 100 Toyota/Lexus OBD1 Systems VEHICLES COVERED DOHC/ Eng. Eng. Year Model Size Code SOHC Other Type 1993 Supra 3.0L 2JZ-GTE DOHC Turbo 1993 Supra 3.0L 2JZ-GE DOHC 1994 Camry 3.0L 3VZ-FE DOHC 1994 Supra 3.0L 2JZ-GTE DOHC Turbo 1994 Supra 3.0L 2JZ-GE DOHC 1995...

  • Page 101: Data Link Connector (Dlc)

    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. This scan tool is designed for use with two types of Toyota DLC connectors;...

  • Page 102: Diagnostic Trouble Codes

    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.
  • Page 103 Toyota/Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 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. See Safety Precautions on page 3 for more information.
  • Page 104 Toyota/Lexus OBD1 Systems CODE RETRIEVAL PROCEDURE 7. When the scan tool is in the process of retrieving codes, "One moment please..." message shows on the scan tool’s LCD display. If the scan tool fails to link to the vehicle’s computer a “Vehicle is not responding”...

  • Page 105: Erasing Dtcs

    Toyota/Lexus OBD1 Systems ERASING DTCs 11. To prolong battery life, the scan tool automatically shuts "Off" after approximately three minutes with no button activity. The DTCs retrieved will remain in the scan tool's memory, and may be viewed at any time. If the scan tool’s batteries are removed, or if the scan tool is re-linked to a vehicle to retrieve codes, any prior codes in its memory are automatically cleared.

  • Page 106: Viewing Live Data

    Live Data Mode VIEWING LIVE DATA The scan tool is a special diagnostic tool that communicates with the vehicle's computer. The scan tool lets you view and/or "capture" (record) "real-time" Live Data. This information includes values (volts, rpm, temperature, speed etc.) and system status information (open loop, closed loop, fuel system status, etc.) generated by the various vehicle sensors, switches and actuators.

  • Page 107: Customizing Live Data (Pids)

    Live Data Mode CUSTOMIZING LIVE DATA (PIDs) If communication with the vehicle is lost while viewing Live Data, a Communication Lost" message shows on the scan tool's display. 4. Press and release the ENTER button to view the currently selected PID in “graph”...

  • Page 108: Recording (Capturing) Live Data

    Live Data Mode RECORDING (CAPTURING) LIVE DATA The "Custom Live Data" menu displays, with the first PID in the menu highlighted. If Live Data is not supported by the vehicle under test, an advisory message displays. Press the M button to exit. Live Data is not available for your vehicle.
  • Page 109 Live Data Mode RECORDING (CAPTURING) LIVE DATA Record by DTC Trigger This function automatically records (captures) Live Data information when a DTC sets and saves it in the scan tool’s memory. The recorded (captured) data can be a valuable troubleshooting aid, particularly if you are experiencing a fault that is causing a DTC to set.
  • Page 110 Live Data Mode RECORDING (CAPTURING) LIVE DATA The scan tool is capable of recording approximately 100 frames of Live Data. Record by DTC trigger lets you select the point in time at which you wish the scan tool to begin recording Live Data.
  • Page 111 Live Data Mode RECORDING (CAPTURING) LIVE DATA If Yes is selected, the scan tool enters "Playback" mode from which you can view a frame-by-frame playback of recorded Live Data (see LIVE DATA PLAYBACK on page 111 for details). If No is selected, the display returns to the "Mode Selection Menu".
  • Page 112 Live Data Mode RECORDING (CAPTURING) LIVE DATA Beginning - records approximately 100 frames of Live Data after the ENTER button was pressed. Middle - records approximately 50 frames of Live Data before and 50 frames after the ENTER button was pressed. End - records approximately 100 frames of Live Data before the ENTER...

  • Page 113: Live Data Playback

    Live Data Mode LIVE DATA PLAYBACK If desired, you can transfer the recorded Live Data information to a personal computer with the use of optional software (see instructions included with the software for more information). LIVE DATA PLAYBACK Once Live Data has been recorded, it is saved in the scan tool's memory.
  • Page 114 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 scan tool's memory, an advisory message shows on the display.

  • Page 115: Special Test Menu

    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.
  • Page 116 Additional Tests SPECIAL TEST MENU 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”...
  • Page 117 Additional Tests SPECIAL TEST MENU Non-Continuous Test The Non-Continuous Test function retrieves and displays test results for emission-related powertrain components and systems that are not continuously monitored. The tests available are determined by the vehicle manufacturer. The scan tool does not perform non-continuous test, but retrieves results from the most recently performed tests from the on-board computer’s memory.

  • Page 118: Viewing Vehicle Information

    Additional Tests VIEWING VEHICLE INFORMATION Status is calculated by the scan tool by comparing the Test Value against the displayed test limit (either Min or Max). Status is shown as either Low, High or OK. 5. 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 “Special Test Menu”...
  • Page 119 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. With the scan tool in OBD2 mode, press and release the M button. The Main Menu displays.
  • Page 120 Viewing Available Modules The scan tool can retrieve a list of modules supported by the vehicle under test. 1. With the scan tool in OBD2 mode, press and release the M button. The Main Menu displays. 2. Use the UP...

  • Page 121: Using The Dtc Library (Obd1)

    USING THE DTC LIBRARY (OBD1) You can use the scan tool to locate the definition for a specified OBD1 DTC. 1. With the scan tool in OBD2 mode, press and release the M button. The Main Menu displays. 2. Use the UP...
  • Page 122 Additional Tests USING THE DTC LIBRARY (OBD1) The Select Manufacturer screen displays. 4. Use the UP and DOWN buttons, as necessary, to highlight the desired vehicle manufacturer, then press the ENTER button. A confirmation message shows on the LCD display. If the correct manufacturer is shown, use the UP DOWN...

  • Page 123: Using The Dtc Library (Obd2)

    Additional Tests USING THE DTC LIBRARY (OBD1) USING THE DTC LIBRARY (OBD2) You can use the scan tool to locate the definition for a specified OBD2 DTC. 1. With the scan tool in OBD2 mode, press and release the M button.

  • Page 124: Viewing The Firmware Version

    DTC Library. VIEWING THE FIRMWARE VERSION You can view the current firmware version for the scan tool. 1. With the scan tool in OBD2 mode, press and release the M button. The Main Menu displays. 2. Use the UP...

  • Page 125: Adjustments And Settings

    The scan tool lets you make several adjustments and settings to configure the scan 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 scan tool is in Tool Setting mode: Adjust Brightness: Adjusts the brightness of the display screen.
  • Page 126 Additional Tests ADJUSTMENTS AND SETTINGS 3. Press the DOWN button to increase the brightness of the display (make the display lighter). 4. When the desired brightness is obtained, press the ENTER button to save your changes and return to the Tool Setting Menu. Enabling the Audible Tone 1.
  • Page 127 Additional Tests ADJUSTMENTS AND SETTINGS 2. Use the UP and DOWN buttons, as necessary, to highlight the desired display language. 3. When the desired display language is highlighted, press the ENTER button to save your changes and return to the Tool Setting Menu (shown in the selected display language).

  • Page 128: Viewing Data In Memory

    2. To view DTCs in the scan tool's memory, press the DTC/FF button. The scan tool displays the "priority" DTC. If there are no OBD2 DTCs currently stored in the scan tool's memory, an advisory message shows display.

  • Page 129: Generic (Global) Obd2 Pid List

    Generic (Global) OBD2 PID List The following is a list of Generic (Global) PIDs and their descriptions. Tool Display Unit 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...
  • Page 130 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description 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...
  • Page 131 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description O2S B1 S1 V X.XXX Bank 1 - Sensor 1 O2S Voltage O2S B1 S2 X.XXX Bank 1 - Sensor 2 O2S B1 S2 X.XXX Bank 1 - Sensor 2 O2S Current O2S B1 S2 V X.XXX...
  • Page 132 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description OBD Support OBD Requirements OBD Support OBD and OBD Requirements OBD2 OBD Support OBD1 OBD Requirements OBD Support No OBD OBD Requirements OBD Support EOBD OBD Requirements OBD Support...
  • Page 133 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 3140d...

  • Page 134: Vehicle Applications – Makes Covered

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

  • Page 135: Glossary Of Terms And Abbreviations

    FTP – Fuel Tank Pressure Generic Code – A DTC that applies to all OBD2 compliant vehicles. I/M Readiness – An indication of whether or not a vehicle’s emissions- related system are operating properly and are ready for Inspection and Maintenance testing.
  • Page 136 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.

  • Page 137: Limited One Year Warranty

    Warranty and Servicing LIMITED ONE YEAR WARRANTY The Manufacturer warrants to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one (1) year from the date of original purchase.

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