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Innova CAN OBD2 Owner's Manual

Enhanced obd2 scan tool
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  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION WHAT IS OBD? ..................YOU CAN DO IT! .................... SAFETY PRECAUTIONS SAFETY FIRST! ..................ABOUT THE SCAN TOOL VEHICLES COVERED ................. BATTERY REPLACEMENT ............... ADJUSTMENTS AND SETTINGS ............ SCAN TOOL CONTROLS CONTROLS AND INDICATORS ............DISPLAY FUNCTIONS ................

  • Page 3: Introduction What Is Obd

    Introduction WHAT IS OBD? WHAT IS OBD? The Enhanced OBD2 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 automobile industry was the addition of on- board diagnostics (OBD) on vehicles, or in more basic terms, the computer that activates the...

  • Page 4: You Can Do It

    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.” Press the LINK button. Easy To View .

  • Page 5: Safety Precautions Safety First

    Safety Precautions SAFETY FIRST! SAFETY FIRST! To avoid personal injury, instrument damage and/or damage to your vehicle; do not use the OBD2 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 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: About The Scan Tool

    About the Scan Tool VEHICLES COVERED VEHICLES COVERED The Enhanced OBD2 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: Adjustments And Settings

    About the Scan Tool ADJUSTMENTS AND SETTINGS ADJUSTMENTS AND SETTINGS The OBD2 Scan Tool lets you make several adjustments and settings to configure the Scan Tool for your particular needs. The following adjustments and settings are available: Adjust Brightness: Adjusts the brightness of the display screen. DTC Library - Library of OBD2 DTC definitions.
  • Page 10 About the Scan Tool 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/LD button to save your changes and return to the MENU. Searching for a DTC Definition Using the DTC Library 1.
  • Page 11 About the Scan Tool ADJUSTMENTS AND SETTINGS If a definition for the DTC you entered available, advisory message shows on the CanOBD2 Scan Tool’s display. 4. If you wish to view definitions for additional DTCs, press the ENTER/LD button to return to the Enter DTC screen, and repeat steps 2 and 3.
  • Page 12 About the Scan Tool ADJUSTMENTS AND SETTINGS Setting the Unit of Measurement 1. Use the UP and DOWN buttons, as necessary, to highlight Unit of Measurement in the MENU, then press the ENTER/LD button. 2. Press the UP or DOWN button, as necessary, to highlight the desired Unit of Measurement.

  • Page 13: Scan Tool Controls 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 11, below. ERASE button - Erases Diagnostic Trouble Codes (DTCs), and “Freeze Frame” data from your vehicle’s computer, and resets Monitor status.

  • Page 14: Display Functions

    Scan Tool Controls DISPLAY FUNCTIONS DOWN button - When in MENU mode, scrolls DOWN through the menu and submenu selection options. When LINKED to a vehicle, scrolls DOWN through the current display screen to display any additional data. UP button - When in MENU mode, scrolls UP through the menu and submenu selection options.
  • Page 15 Scan Tool Controls DISPLAY FUNCTIONS 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). When a Monitor icon is solid, it indicates that the associated Monitor has completed its diagnostic testing.
  • Page 16 Scan Tool Controls DISPLAY FUNCTIONS 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. Generic DTC icon - When visible, indicates that the currently displayed DTC is a “generic”...

  • Page 17: Onboard Diagnostics Diagnostic Trouble Codes (Dtcs)

    Onboard Diagnostics DIAGNOSTIC TROUBLE CODES (DTCs) DIAGNOSTIC TROUBLE CODES (DTCs) Diagnostic Trouble Codes (DTCs) are Diagnostic Trouble meant to guide you to the proper service procedure in the vehicle’s Codes (DTCs) are service manual. DO NOT replace parts codes that identify a specific problem area.
  • Page 18 Onboard Diagnostics DIAGNOSTIC TROUBLE CODES (DTCs) The “Malfunction Indicator Lamp” (MIL) is the accepted term used to describe the lamp on the dashboard that lights to warn the driver that an emissions-related fault has been found. Some manufacturers may still call this lamp a “Check Engine” or “Service Engine Soon”...

  • Page 19: Preparation For Testing 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 20 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 ❏...
  • Page 21 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 ❏...

  • Page 22: Before You Begin

    Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The Enhanced OBD2 Scan Tool aids in monitoring electronic- and 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.

  • Page 23: 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 24: Using The Scan Tool 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 25 Using the Scan Tool 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...
  • Page 26 Using the Scan Tool CODE RETRIEVAL PROCEDURE 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 or Freeze Frame data presently stored in the vehicle’s computer” message is displayed.
  • Page 27 Using the Scan Tool CODE RETRIEVAL PROCEDURE In the case of long code definitions, or when viewing Freeze Frame and Live Data, a small arrow is shown in the upper/lower right-hand corner of the Scan Tool display area to indicate the presence of additional information. Use the buttons, as necessary, to view the additional informa- tion.
  • Page 28 Using the Scan Tool 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 Scan Tool’s screen). In this case, the Multifunction Indicator (Check...
  • Page 29 Using the Scan Tool CODE RETRIEVAL PROCEDURE Freeze Frame Data (if available) will display after DTC #1. Whenever the Scroll function is used to view additional DTCs and Freeze Frame Data, the Scan Tool's communication link with vehicle's computer disconnects. To re-establish communication, press the POWER/LINK button again.

  • Page 30: The Enhanced Main Menu

    Using the Code Reader THE ENHANCED MAIN MENU 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). If you plan to take the vehicle to a professional to have it serviced, complete the PRELIMINARY VEHICLE DIAGNOSTIC WORKSHEET on page 17 and take it together with the retrieved...

  • Page 31: Viewing Abs Dtcs

    Using the Code Reader VIEWING ABS DTCs If the manufacturer of the vehicle from which codes were retrieved is not listed, press the DTC SCROLL 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 selected for the code was Chrysler, Jeep, Ford,...
  • Page 32 Using the Code Reader VIEWING ABS DTCs Reading ABS DTCs 1. Use the UP and DOWN buttons, as necessary, to highlight Read ABS DTCs, then press the ENTER/LD button. A "One moment please" message displays while Scan Tool retrieves the selected DTCs. If the Scan Tool fails to link to the vehicle’s computer,...
  • Page 33 Using the Code Reader VIEWING ABS DTCs 3. If more than one code was retrieved press the DTC SCROLL button, as necessary, to display additional codes one at a time. Whenever the scroll function is used to view additional codes, the Scan Tool’s communication link with the vehicle’s computer disconnects.

  • Page 34: Viewing Enhanced Dtcs

    Using the Scan Tool VIEWING ENHANCED DTCs Erasing ABS DTCs does not fix the problem(s) that caused the code(s) to be set. If proper repairs to correct the problem(s) that caused the code(s) to be set are not made, the code(s) will appear again as soon as the vehicle is driven long enough for the problem to recur.
  • Page 35 Using the Scan Tool VIEWING ENHANCED DTCs The upper right hand corner of the display shows the number of the code currently being displayed, the total number of codes retrieved. The Diagnostic Trouble Code (DTC) and related code definition are shown in the lower section of the LCD display.
  • Page 36 Using the Scan Tool VIEWING ENHANCED DTCs When View Enhanced DTCs is selected from the Enhanced Main Menu (and Ford/Mazda is selected, if prompted), 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.”...
  • Page 37 Using the Scan Tool 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 buttons, as necessary, to view the additional information.
  • Page 38 Using the Scan Tool VIEWING ENHANCED DTCs If the Scan Tool fails to link to the vehicle’s computer, “Linking Failed” message shows on the Scan Tool’s display. - Verify the ignition is ON, then press the ENTER/LD button to continue. 2.
  • Page 39 Using the Scan Tool VIEWING ENHANCED DTCs 4. When the last retrieved DTC has been displayed and the DTC SCROLL button is pressed, the Scan Tool returns to the GM/Isuzu Enhanced menu. To view additional enhanced DTCs, repeat steps 1 through 4, above.
  • Page 40 Using the Scan Tool 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.
  • Page 41 Using the Scan Tool VIEWING ENHANCED DTCs Current DTCs, Historical DTCs Readiness DTCs 1. Use the UP and DOWN buttons, as necessary, to highlight the desired option, then press the ENTER/LD button. A “One moment please” message displays, while Scan Tool retrieves the selected DTCs.

  • Page 42: Erasing Diagnostic Trouble Codes (Dtcs)

    Using the Scan Tool ERASING DIAGNOSTIC TROUBLE CODES (DTCs) 3. If more than one code was retrieved press the DTC SCROLL button, as necessary, to display additional codes one at a time. Whenever the Scroll function is used to view additional codes, the Scan Tool’s communication link with the vehicle’s computer disconnects.

  • Page 43: I/M Readiness Testing

    Using the Scan Tool I/M READINESS TESTING 1. If not connected already, connect the Scan Tool to the vehicle's DLC, and turn the ignition "On.” (If the Scan Tool is already connected and linked to the vehicle's computer, proceed directly to step 4.
  • Page 44 Using the Scan Tool I/M READINESS TESTING The program requires that a vehicle be taken periodically to an Emissions Station for an "Emissions Test" or "Smog Check,” where the emissions-related components and systems are inspected and tested for proper operation. Emissions Tests are generally performed once a year, or once every two years.
  • Page 45 Using the Scan Tool I/M READINESS TESTING Emissions Inspection and Maintenance (I/M) Readiness Monitor Status Information I/M Readiness Monitor Status shows which of the vehicle's Monitors have run and completed their diagnosis and testing, and which ones have not yet run and completed testing and diagnosis of their designated sections of the vehicle's emissions system.
  • Page 46 Using the Scan Tool I/M READINESS TESTING Monitors with a "Has Run" status indicate that all the required conditions they needed to perform diagnosis and testing of their assigned engine area (system) have been met, and all diagnostic testing has completed success- fully.
  • Page 47 Using the Scan Tool I/M READINESS TESTING - Some areas require that all Monitors indicate a "Has Run" status before they allow an Emissions Test (Smog Check) to be performed. Other areas only require that some, but not all, Monitors have run their self-diagnostic testing before an Emissions Test (Smog Check) may be performed.
  • Page 48 Using the Scan Tool I/M READINESS TESTING 3. After the erase procedure is performed, most of the Monitor icons on the Scan Tool’s display will be flashing. Leave the Scan Tool connected to the vehicle, and perform a Trip Drive Cycle for each "flashing"...

  • Page 49: Live Data Mode Viewing Live Data

    Live Data Mode VIEWING LIVE DATA The OBD2 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 50: 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. 5. If you experience vehicle problems, view and/or compare the Live Data (PID) information displayed on the Scan Tool to specifications in the vehicle's repair manual.

  • Page 51: 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. 4. Use the UP and DOWN buttons to scroll through the available PIDs. When the PID you wish to display is highlighted, press the ENTER/LD button to select it (a "checkmark"...
  • Page 52 Live Data Mode RECORDING (CAPTURING) LIVE DATA 1. With the Scan Tool in "Live Data" mode (see VIEWING LIVE DATA on page 47 details), press hold ENTER/LD button until the "Mode Selection Menu" appears. 2. Use the UP and DOWN buttons, as necessary, to highlight “Live Data Menu”, then press the ENTER/LD...
  • Page 53 Live Data Mode RECORDING (CAPTURING) LIVE DATA 7. Put the engine in the operating condition that causes the DTC to set. If necessary, drive the vehicle until you reach the vehicle speed at which the problem occurs. 8. When the Scan Tool detects a fault that causes a DTC to set, it automatically records and saves approximately 20 frames of Live Data information in its memory (according to your trigger selection) for each PID supported by the vehicle.
  • Page 54 Live Data Mode RECORDING (CAPTURING) LIVE DATA 2. Use the UP and DOWN buttons, as necessary, to highlight “Live Data Menu”, then press the ENTER/LD button. The "Live Data Menu" displays. 3. Use the UP and DOWN buttons, as necessary, to highlight “Record Live Data”, then press the ENTER/LD button.

  • Page 55: Live Data Playback

    Live Data Mode LIVE DATA PLAYBACK If necessary, drive the vehicle until you reach the vehicle speed at which the problem occurs. 8. When the problem occurs, press and release the ENTER/LD button. All three LEDs will blink for three seconds to indicate that Live Data is being recorded, and a "One moment please.
  • Page 56 Live Data Mode LIVE DATA PLAYBACK 1. With the Scan Tool not connected to a vehicle, press the POWER/LINK button. The "To Link" screen shows on the Scan Tool's display. 2. Press the ENTER/LD button to place the Scan Tool in "Live Data Playback"...

  • Page 57: O2 Sensor Test

    Additional Tests O2 SENSOR TEST In addition to retrieving Diagnostic Trouble Code (DTC) and viewing Live Data, you can use the 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."...
  • Page 58 Additional 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”...

  • Page 59: Non-Continuous Test

    Additional Tests NON-CONTINUOUS TEST 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 60: System Test

    Additional Tests SYSTEM TEST 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. 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”...

  • Page 61: Vehicle Information

    Additional Tests VEHICLE INFORMATION VEHICLE INFORMATION The Vehicle Information function offers two options for retrieving reference information for the vehicle under test; Vehicle ID and Available Modules. Retrieving Vehicle ID Information The Vehicle ID function is applicable to model year 2000 and newer OBD2-compliant vehicles.
  • Page 62 Additional Tests VEHICLE INFORMATION 4. When the retrieval process is completed, the vehicle ID information is shown on the Scan Tool's display. Use the UP and DOWN buttons, as necessary, to view the entire list. 5. When you have finished viewing the retrieved vehicle ID information, press the ENTER/LD button to return to...

  • Page 63: 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 Accelerator Pedal Position F Air Status...
  • Page 64 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description Ratio EQ Ratio 21 X.XXX Bank 2 - Sensor 1 Equivalence Ratio EQ Ratio 22 X.XXX Bank 2 - Sensor 2 Equivalence Ratio EQ Ratio 23 X.XXX Bank 2 - Sensor 3 Equivalence Ratio EQ Ratio 24 X.XXX...
  • Page 65 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 Bank 1 - Sensor 2 O2S Voltage...
  • Page 66 Generic (Global) OBD2 PID List Tool Display Unit Value PID Description OBD Support OBD2 OBD Requirements 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 67 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 OBD2...

  • Page 68: Glossary

    EPA – Environmental Protection Agency EVAP – Evaporative Emissions System Fault Code – See DTCs Freeze Frame – A digital representation of engine and/or emissions system conditions present when a fault code was recorded. FTP – Fuel Tank Pressure Generic Code – A DTC that applies to all OBD2 compliant vehicles.
  • Page 69 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.
  • Page 70 Notes OBD2...

  • Page 71: Warranty And Servicing

    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.
  • Page 72 Instruction MRP #93-0230 Rev. B...

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