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NAVIGATION SYSTEM DTC CHECK / CLEAR

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  1. CHECK DTC (CHECK USING INTELLIGENT TESTER)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Navigation System / DTCs.

    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
      Audio and Visual System (w/ Navigation System)

      Click here
      Rear Seat Entertainment System

      Click here

  2. CLEAR DTC (CHECK USING INTELLIGENT TESTER)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Navigation System / 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.

    • To help find the malfunction when the system cannot change to diagnostic mode, check for DTCs using the intelligent tester.

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


    1. A015AQKE04

      Start the engine.

      Table 1. Text in Illustration
      *A for LHD
      *B for RHD
      *a "INFO" Switch

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

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

  4. FINISH DIAGNOSTIC MODE


    1. There are 2 methods to finish diagnostic mode. Start the mode by using one of them.

    2. Method 1


      1. Turn the engine switch off.

    3. Method 2


      1. Press and hold the "SETUP" switch for 3 seconds or more.

  5. FAILURE DIAGNOSIS


    1. A015CFA

      Press the "Failure Diagnosis" switch on the "Service Menu" screen.

    2. A015ARM

      The "Failure Diagnosis" will be displayed.

  6. SYSTEM CHECK


    1. A0157KF

      Press the "System Check" switch on the "Failure Diagnosis" screen.

    2. A015E5D

      The "System Check Mode" screen will be displayed.

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


    1. A015E5DE01

      System check mode screen description

      Table 2. Screen Description
      Display Content
      *a: Node position number for devices that use MOST communication MOST 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 audio and visual 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.
      *d: Memory Clear

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

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

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

      • The "Recheck" switch 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 audio and visual system.

      • The names of the components from Device Name List No. 2 are shown in the following table.
      Table 3. *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
      RSE Television display assembly Communication line for MOST
      DISP Multi-display assembly Communication line for AVC-LAN
      CAMERA-C Parking assist ECU Communication line for AVC-LAN
      Table 4. *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 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 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.
      Table 5. *f: Device Name List No. 2 Description
      Name Component Connection Method
      VTR/FR Headphone terminal Vehicle wire harness
      AUX No. 1 stereo jack adapter assembly Vehicle wire harness
    2. A0155EOE01

      Unit check mode screen description

      Table 6. 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: 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. Read the system check result.


      1. A015E5DE03

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

        Tip:

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

      2. A0155EO

        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. A0155EOE02

        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.

        Tip:

        To check other item, repeat from the first step.

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

        Note:

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

        System Proceed to
        Audio and Visual System (w/ Navigation System)

        Click here
        Rear Seat Entertainment System

        Click here

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


    1. Clear DTC


      1. A015E5DE08

        Press the "Memory CLR" switch for 3 seconds.

      2. Confirm that the check results are cleared.

        Tip:

        • 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. A015E5DE09

      Recheck DTC


      1. Press the "Recheck" switch.

      2. A015E5DE10

        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 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.