NAVIGATION SYSTEM (for HDD) DTC CHECK / CLEAR


  1. CHECK DTC (CHECK USING INTELLIGENT TESTER)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

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

    5. Check the DTC(s) and freeze frame data, 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 appropriate system.

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

      Click here

      Rear Seat Entertainment System

      Click here

      TOYOTA Parking Assist-sensor System (for 8 Sensor Type)

      Click here

      Parking Assist Monitor System

      Click here

      Wide View Front Monitor System

      Click here

      Side Monitor System (w/ Parking Assist Monitor System)

      Click here

  2. CLEAR DTC (CLEAR USING INTELLIGENT TESTER)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

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

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


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

    2. Method 1


      1. Start the engine.

      2. A00JTX2E01

        While pressing and holding the "INFO TEL" switch, operate the light control switch: off → turn on → turn off → turn on → turn off → turn on → turn off.

      3. Diagnostic mode starts and the "System Check Mode" screen is displayed. Service inspection starts automatically and the result is displayed.

    3. Method 2


      1. Start the engine.

      2. A00JTX2E02

        Press the "DISP" switch.

      3. A00K0HIE01
        Text in Illustration
        *a Upper Left
        *b Lower Left

        From the display quality adjustment screen, touch the corners of the screen in the following order: upper left → lower left → upper left → lower left → upper left → lower left.

      4. Diagnostic mode starts and the "System Check Mode" screen is displayed.

  4. FINISH DIAGNOSTIC MODE


    1. Turn the ignition switch off.

  5. FAILURE DIAGNOSIS


    1. A00JWBQ

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

    2. A00JXVK

      The "Failure Diagnosis" is displayed.

  6. SYSTEM CHECK


    1. A00K1L6

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

    2. A00JV0T

      The "System Check Mode" screen is displayed.

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


    1. Read the system check result.


      1. A00JTQ9

        If the check result is "EXCH" or "CHEK", touch the displayed check result.

        Tech Tips

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

      2. A00JYJXE01

        View the results on the "Unit Check Mode" screen and record them.

      3. A00JUNA

        When proceeding to view the results of another device, press the "Back" switch to return to the "System Check Mode" screen.

        Tech Tips

        To check the other items, repeat this procedure from the first step.

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


    1. A00JW8P

      Clear DTC


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

      2. Confirm that the check results are cleared.

        Tech Tips


        • 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. A00JWM4

      Recheck


      1. Press the "Recheck" switch.

      2. A00K0P1

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

        Tech Tips

        When a DTC is cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.