NAVIGATION SYSTEM DTC CHECK / CLEAR

  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.

      Body Electrical > Navigation System > Trouble Codes

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

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

      Click hereClick 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 (for Sedan)

      Click here

      Rear View Monitor System (except Sedan)

      Click here

  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.

      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.

    • If the system cannot enter diagnostic mode, inspect all AVC-LAN communication components and repair or replace malfunctioning parts (for 9 Speakers).

      Click here

    • Start diagnostic mode at least 15 seconds after turning the ignition switch to ON. Otherwise, some items cannot be checked.

    1. Turn the ignition switch to ON.

    2. While pressing and holding the "CAR" 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. Service inspection starts automatically and the result will be displayed.

  4. FAILURE DIAGNOSIS

    1. E268461

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

  5. SYSTEM CHECK

    1. E292279

      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. E292280N01

      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.

      • 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.

      Table 2. *a: Device Name List No. 1 Description

      Name

      Component

      Connection Method

      DA

      Radio and display receiver assembly

      -

      NAVI BOX

      Navigation ECU

      LVDS communication line

      DSP-AMP*

      Stereo component amplifier assembly

      AVC-LAN communication line

      • *: for 9 Speakers

      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.

      Read the DTC 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 LVDS communication line of the device.

      • Check the AVC-LAN communication line of the device.*

      NRES

      The device responds in diagnostic mode, but gives no DTC information.

      • *: for 9 Speakers

      Tip:

      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 in an AVC-LAN line or devices connected to the AVC-LAN. Repair or replace parts as necessary (for 9 Speakers).

      Click here

      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. E268464N01

      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: Diagnosis clear

      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).

      Tip:
      • This screen is updated once per second.

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

    3. E292281

      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.

        Tip:
        • When all results are "OK", no DTCs are present.

        • When proceeding to view the results of another device, select "Back" 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 hereClick 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 (for Sedan)

        Click here

        Rear View Monitor System (except Sedan)

        Click here

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

    1. E292282

      Clear DTCs

      1. Select "Memory CLR" 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, select "Code CLR" for 3 seconds.

    2. E292283

      Recheck

      1. Select "Recheck".

      2. E292284

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

        Tip:

        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 ignition switch off.