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NAVIGATION SYSTEM DTC CHECK / CLEAR

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  1. CHECK DTC (CHECK USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

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


      1. Body Electrical > Navigation System > Trouble Codes


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

    6. Check the details of the DTC(s).

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  2. CLEAR DTC (CLEAR USING GTS)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

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


      1. Body Electrical > Navigation System > Clear DTCs


    5. Clear the DTCs.

  3. START DIAGNOSTIC MODE

    Tip:

    • 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 ignition switch is turned to ON, check that the map is displayed before starting diagnostic mode. Otherwise, some items cannot be checked.


    1. Method 1


      1. Start the engine.

      2. A01SGE0C01
        *A for LHD
        *B for RHD
        *a "AUDIO" Switch

        While pressing and holding the "AUDIO" switch of the navigation receiver assembly, operate the light control switch: Off → Tail → Off → Tail → Off → Tail → Off.

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

    2. Method 2

      Note:

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


      1. Start the engine.

      2. Turn the navigation receiver assembly screen display off.

      3. Turn the navigation receiver assembly power supply off.

      4. A01SHDPC01
        *A for LHD
        *B for RHD
        *a ">" Switch
        *b "<" Switch

        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. A01SH1V

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

  5. SYSTEM CHECK


    1. A01SGSR

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

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


    1. A01SIUNN02

      System check mode screen description

      Table 1. 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.

      • 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 navigation system.

      • The names of the components from Device Name List No. 2 are shown in the following table.
      Table 2. *a: Device Name List No. 1 Description
      Name Component Connection Method
      AVN Navigation receiver assembly -
      Table 3. *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.

      • *: As these functions are not equipped on the vehicle, they are not displayed.

      Table 4. *e: Device Name List No. 2 Description
      Name Component Connection Method
      AUX/VTR No. 1 stereo jack adapter assembly Vehicle wire harness
    2. A01SK1AN01

      Unit check mode screen description

      Table 5. 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.)
      Tip:

      • This screen is updated once per second.

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

    3. A01SG26

      Read the system check result.


      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.

        Tip:

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

        • 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).

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        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

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


    1. A01SGXQ

      Clear DTCs


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

      2. Confirm that the check results are cleared.

        Tip:

        • 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. A01SJGF

      Recheck


      1. Press the "Recheck" switch.

      2. A01SI0C

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

        Tip:

        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 ignition switch off.