NAVIGATION SYSTEM(for Navigation Receiver Type) DTC CHECK / CLEAR


  1. CHECK DTC (CHECK USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

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


      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 system. 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 system.

      System Proceed to
      Rear View Monitor System

      Click here

      Parking Assist Monitor System

      Click here

  2. CLEAR DTC (CLEAR USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

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


      Body Electrical > Navigation System > Clear DTCs

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

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

      Click here


    1. There are 2 methods to start diagnostic mode. Start diagnostic mode by using either of them.

    2. Method 1


      1. Turn the power switch on (IG).

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

    3. Method 2


      1. Turn the power switch on (IG).

      2. Press the seek/track up panel switch 5 times and then press the seek/track down panel switch 5 times with the screen and audio turned off.

        Tech Tips


        • Diagnostic mode can only be started if the above operation is completed within 15 seconds of the first press of the seek/track up panel switch.

        • If the operation is not completed within 15 seconds of the first press of the seek/track panel switch or fails, turn the navigation receiver assembly on and then off again before attempting to start diagnostic mode.

    4. Diagnostic mode starts and the "Service Menu" screen will be displayed. The service inspection will start automatically and the result will be displayed.

  4. FAILURE DIAGNOSIS


    1. A003KA5

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

  5. SYSTEM CHECK


    1. A003LWG

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

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


    1. A003K0RN01

      System check mode screen description

      Screen Description
      Display Content
      *a: 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.
      *b: Check result Result codes for all devices are displayed.
      *c: Memory clear

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

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

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

      • "Recheck" 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 navigation 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 Navigation receiver assembly -
      DSP-AMP Stereo component amplifier assembly AVC-LAN communication line
      *b: Check Result Description
      Result Meaning Action
      OK The device does not respond with a DTC. -
      DETAIL The device responds with a DTC. Read the DTCs on the "Unit Check Mode" screen.
      NCON The device was previously present, but does not respond in diagnostic mode.

      - Check the power supply circuit of the device.

      - Check the communication line of the device.
      NRES The device responds in diagnostic mode, but gives no DTC information.

      - Check the power supply circuit of the device.

      - Check the communication line of the device.

      Tech Tips

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

      Click here

      *e: Device Name List No. 2 Description
      Name Component Connection Method
      AUX/VTR No. 1 stereo jack adapter assembly Vehicle wire harness
      CAA Television camera assembly Vehicle wire harness
    2. A003MJ4N01

      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. A003LJ2

      Read the system check result.


      1. If the check result is "DETAIL", select 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", no DTCs are present.

        • When proceeding to view the results of another device, select the "Back" switch to return to the "System Check Mode" screen. Repeat the above step 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 system. 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 system.

        System Proceed to
        Rear View Monitor System

        Click here

        Parking Assist Monitor System

        Click here

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


    1. Clear DTCs


      1. A003LZU

        Select "Memory CLR" for 3 seconds.

      2. Check that the check results are cleared.

        Tech Tips


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

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

    2. Recheck


      1. A003LQ4

        Select "Recheck".

      2. A003LWR

        Check that all diagnostic codes are "OK" when the check results are displayed. If a result other than "OK" is displayed, perform troubleshooting again.

        Tech Tips

        When the DTCs are cleared using the "Unit Check Mode" screen, select "Back" to return to the "System Check Mode" screen and perform this operation.

  8. FINISH DIAGNOSTIC MODE


    1. Turn the power switch off.