AUDIO AND VISUAL SYSTEM (for Radio and Display Type with Intuitive Parking Assist System) DTC CHECK / CLEAR

  1. CHECK DTC (CHECK USING TECHSTREAM)

    1. Connect the Techstream to the DLC3.

    2. Turn the power switch on (READY).

    3. Turn the Techstream 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 DTC(s) Click here.

      Note

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

      System Proceed to
      Parking Assist Monitor System

      Click here

  2. CLEAR DTC (CLEAR USING TECHSTREAM)

    1. Connect the Techstream to the DLC3.

    2. Turn the power switch on (READY).

    3. Turn the Techstream 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.

    • If the system cannot enter diagnostic mode, inspect all AVC-LAN communication components and repair or replace problem parts Click here.

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

    1. Start the engine.

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

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    3. 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. The "Failure Diagnosis" screen will be displayed by pressing the "Failure Diagnosis" switch on the "Service Menu" screen.

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  5. SYSTEM CHECK

    1. The "System Check Mode" screen will be displayed by pressing the "System Check" switch on the "Failure Diagnosis" screen.

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

    Tech Tips

    When "NCON" is displayed for all devices connected using the AVC-LAN, or when all device names are not displayed, check if there is a short circuit in the AVC-LAN or devices connected to the AVC-LAN. Repair or replace parts as necessary Click here.

    1. System check mode screen description

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      Screen Description
      Display Content
      *a: Device Name List No. 1

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

      • The names of the components from Device Name List No. 1 are shown in the following table.
      *b: Check Result Result codes for all devices are displayed.
      *c: Memory Clear

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

      • Press the "Memory CLR" switch for 3 seconds.
      *d: Recheck

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

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

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

      • The names of the components from Device Name List No. 2 are shown in the following table.
      *a: Device Name List No. 1 Description
      Name Component Connection Method
      AVN Radio and display receiver assembly -
      DSP-AMP Stereo component amplifier assembly Communication line for AVC-LAN
      *b: Check Result Description
      Result Meaning Action
      OK The device does not respond with a DTC. -
      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 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 of the device.
      *e: Device Name List No. 2 Description
      Name Component Connection Method
      AUX No. 1 stereo jack adapter assembly Vehicle wire harness

    2. Unit check mode screen description

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      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 Pushing this switch for 3 seconds clears the diagnostic memory data of the target device. (Both response to 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. Read the system check result.

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

        Tech Tips

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

        • 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.

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

        Note

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

        System Proceed to
        Parking Assist Monitor System

        Click here

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

    1. Clear DTCs

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      1. Press the "Memory CLR" switch for 3 seconds.

      2. Confirm that the check results are cleared.

        Tech Tips

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

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

    2. Recheck

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      1. Press the "Recheck" switch.

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

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        Tech Tips

        When the DTCs are 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 power switch off.