AUDIO AND VISUAL SYSTEM DTC CHECK / CLEAR


  1. CHECK FOR DTC (CHECK USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.

    5. Check for DTCs, and then write them down.

    6. Check the details of the DTCs Click here.

      Note

      The audio and visual system outputs DTCs for the following systems. When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the relevant system.

      System Proceed to
      Navigation System

      Click here

      Multi-terrain Monitor System

      Click here

      Rear Seat Entertainment System (w/ Rear Seat Entertainment System)

      Click here

      Telematics System (w/ Telematics System)

      Click here

  2. CLEAR DTC (CHECK USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Navigation System / Trouble Codes.

    5. Clear the DTCs.

  3. START DIAGNOSTIC MODE

    Tech Tips


    • Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle screen.

    • After the engine switch is turned on (IG), check that the map is displayed before starting diagnostic mode. Otherwise, some items cannot be checked.

    • Start diagnostic mode using either of the 2 methods below.


    1. Method 1


      1. Turn the engine switch on (ACC).

      2. Start the engine.

      3. A01WVVAE06
        Text in Illustration
        *a "MENU" Switch

        While pressing and holding the "MENU" switch, operate the light control switch: Off → Tail → Off → Tail → Off → Tail → Off.

      4. Diagnostic mode starts and the "Service Menu" screen will be displayed.

    2. Method 2

      Note

      If the operation fails and diagnostic mode cannot be entered, turn the accessory meter assembly screen display on and off once, and then perform the procedures listed below from the first step again. (Only turning the multi-media module receiver assembly power supply on and off will not work.)


      1. Turn the engine switch on (ACC).

      2. Start the engine.

      3. Turn the multi-media module receiver assembly power supply off.

      4. A01WQCYE01
        Text in Illustration
        *A for LHD
        *B for RHD

        Press the ">" switch 5 times, and then press the "<" switch 5 times within 15 seconds.

      5. Diagnostic mode starts and the "Service Menu" screen will be displayed. Service inspection starts automatically and the result will be displayed.

  4. FAILURE DIAGNOSIS


    1. A01WQHO

      The "Failure Diagnosis" screen will be displayed by selecting "Failure Diagnosis" on the "Service Menu" screen.

  5. SYSTEM CHECK


    1. A01WR8H

      The "System Check Mode" screen will be displayed by selecting "System Check" on the "Failure Diagnosis" screen.

  6. CHECK FOR DTC (CHECK USING SYSTEM CHECK MODE SCREEN)


    1. A01WQMPE05

      System check mode screen description

      Screen Description
      Display Content
      *a: Node position number for devices connected to the MOST network. MOST network node position numbers are provided for devices connected to the MOST network.
      *b: Device Name List No. 1

      • Device Name List No. 1 displays some of the devices that make up the navigation system.

      • The names of the components from Device Name List No. 1 are shown in the following table.
      *c: Check Result

      • Result codes for all devices are displayed.

      • When "MOST" is displayed for the result, select "MOST" on the accessory meter assembly to display the "MOST Line Check" screen.
      *d: Memory Clear

      • Present and history DTCs and registered connected device names are cleared.

      • Select "Memory CLR" for 3 seconds.
      *e: Recheck

      • A system check will be performed again after the memory is cleared.

      • "Recheck" will dim during a system check.
      *f: Device Name List No. 2

      • Device Name List No. 2 displays some of the devices that make up the navigation system.

      • The names of the components from Device Name List No. 2 are shown in the following table.
      *b: Device Name List No. 1 Description
      Name Component Connection Method
      EMV-M Multi-media module receiver assembly -
      AMP Stereo component amplifier assembly Communication line for MOST network
      REAR Multi-display controller sub-assembly*1 Communication line for MOST network
      DISP Accessory meter assembly Communication line for AVC-LAN
      CAMERA-C Parking assist ECU Communication line for AVC-LAN
      R-TOUCH Remote touch Local bus communication line
      HUD Meter mirror sub-assembly*2 Local bus communication line
      CLOCK Clock assembly Local bus communication line

      • *1: w/ Rear Seat Entertainment System

      • *2: w/ Headup Display

      *c: Check Result Description
      Result Meaning Action
      OK The device does not respond with a DTC. -
      MOST MOST communication error Perform "MOST Line Check" to check the connection of each device on the MOST network.
      DETAIL The device responds with a DTC. Look up the DTC in "Unit Check Mode".
      NCON The device was previously present, but does not respond in diagnostic mode.

      - Check power supply wire harness of the device.

      - Check the AVC-LAN or MOST network of the device.
      NRES The device responds in diagnostic mode, but gives no DTC information.

      - Check power supply wire harness of the device.

      - Check the AVC-LAN or MOST network of the device.
      *f: Device Name List No. 2 Description
      Name Component Connection Method
      VTR/RR*1 Headphone terminal (HDIM) Vehicle wire harness
      AUX/VTR No. 1 stereo jack adapter assembly Vehicle wire harness
      IF-BOX_USB No. 1 stereo jack adapter assembly Communication line for USB
      SB-DISP/RH*1 Television display assembly RH Communication line for GVIF
      SB-DISP/LH*1 Television display assembly LH Communication line for GVIF
      HP-JACK-1*1 Headphone terminal RH Vehicle wire harness
      HP-JACK-2*1 Headphone terminal LH Vehicle wire harness
      DCM*2 DCM (Telematics Transceiver) Communication line for USB

      • *1: w/ Rear Seat Entertainment System

      • *2: w/ Telematics Transceiver

    2. A01WVVCE02

      Unit check mode screen description

      Screen Description
      Display Content
      *a: Device name Target device
      *b: History DTC Diagnostic memory results and stored DTCs are displayed.
      *c: Current DTC DTCs output in the service check are displayed.
      *d: DTC DTC (Diagnostic Trouble Code)
      *e: Timestamp The time and date of history DTCs are displayed. (The year is displayed in 2-digit format.)
      *f: Diagnosis clear switch Selecting "Code CLR" for 3 seconds clears the diagnostic memory data of the target device. (Both diagnostic system check result and the displayed data are cleared.)

      Tech Tips


      • This screen is updated once per second.

      • A maximum of 6 DTCs can be displayed for history and present DTCs.

    3. A01WROAE08

      MOST line check screen description

      Tech Tips


      • The inspection will be performed at the time the screen changes from "System Check Mode" to "MOST Line Check".

      • The master unit checks the connection of each device on the MOST network.

      Screen Description
      Display Content
      *a: Node position number for devices connected to the MOST network. MOST node position numbers are provided for devices connected to the MOST network.
      *b: Device Name List

      • Device Name List displays some of the devices that make up the navigation system.

      • The names of the components from Device Name List are shown in the following table.
      *c: Check Result The master unit displays the check result on the screen based on the response information from each slave unit.
      *b: Device Name List
      Name Component
      EMV-M Multi-media module receiver assembly
      AMP Stereo component amplifier assembly
      REAR* Multi-display controller sub-assembly

      • *: w/ Rear Seat Entertainment System

      *c: Check Result
      Name Component
      OK There was a response for the connection check during the MOST line check.
      NCON There was no response for the connection check during the MOST line check.

      Tech Tips

      The device name and result will not be displayed if there is no system registration record and no response for the connection check during the MOST line check even if the device is connected to the MOST network.

    4. Read the system check result.


      1. A01WT2T

        If the check result is "DETAIL", touch the displayed check result.

        Tech Tips

        When all results are "OK", this means that no DTCs are stored.

      2. A01WRW0

        View the results on the "Unit Check Mode" screen and record them.

        Note

        A maximum of 6 DTCs can be displayed for history and present DTCs on the "Unit check mode" screen. Therefore, when 6 DTCs are displayed, troubleshoot those DTCs first and then check the "Unit check mode" screen again to see if any other DTCs are displayed.

      3. A01WT7O

        When proceeding to view the results of another device, press the "Back" switch to return to the "System Check Mode" screen. Repeat the step above to view the results of other devices.

        Tech Tips

        To check other item, repeat from the first step.

      4. Check the details of the DTC(s) Click here.

        Note

        The audio and visual system outputs DTCs for the following systems. When DTCs other than those in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the relevant system.

        System Proceed to
        Navigation System

        Click here

        Multi-terrain Monitor System

        Click here

        Rear Seat Entertainment System (w/ Rear Seat Entertainment System)

        Click here

        Telematics System (w/ Telematics System)

        Click here

  7. DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)


    1. Clear DTC


      1. A01WRUG

        Press the "Memory CLR" switch for 3 seconds.

      2. Confirm that the check results are cleared.

        Tech Tips


        • To clear the DTC for a specific device, clear the DTC using the "Unit Check Mode" screen.

        • When clearing a DTC using the "Unit Check Mode" screen, press the "Code CLR" switch for 3 seconds.

    2. A01WRPM

      Recheck for DTC


      1. Press the "Recheck" switch.

      2. A01WRGZ

        Confirm that all diagnostic codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.

        Tech Tips

        When a DTC was cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.

  8. FINISH DIAGNOSTIC MODE


    1. Turn the engine switch off.