Click here

NAVIGATION SYSTEM (for HDD) HOW TO PROCEED WITH TROUBLESHOOTING

Click here
Click here
Tip:

  • Use the following procedure to troubleshoot the navigation system.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage with the ignition switch off.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.


      • NEXT
  3. Click here

    DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION


    1. Ask the customer about symptoms and confirm malfunctions.

      Result
      Result Proceed to
      Other symptoms occurred. A
      The screen displays nothing. B

      • B
      • PROCEED TO "BLACK SCREEN" IN PROBLEM SYMPTOMS TABLE (See pageClick here)
      • A
  4. Click here

    OPERATION CHECK


    1. Refer to Check System Normal Condition (Click here).

      Result
      Result Proceed to
      Symptom is not normal operation. A
      Symptom is normal operation. B

      • B
      • SYMPTOM IS NORMAL OPERATION
      • A
  5. Click here

    CHECK FOR DTC


    1. Refer to DTC Check/Clear (Click here).

      Result
      Result Proceed to
      DTC is output. A
      DTC is not output. B
      Tip:

      If the system cannot enter the diagnostic mode, inspect the AVC-LAN and all the components that connect to the AVC-LAN for short circuits and repair or replace the problem part (Click here).


      • B
      • PROCEED TO "BLACK SCREEN" IN PROBLEM SYMPTOMS TABLE (See pageClick here)
      • A
  6. Click here

    DTC CLEAR


    1. Refer to DTC Check/Clear (Click here).

      Tip:

      The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.


      • NEXT
  7. Click here

    RECHECK FOR DTC


    1. Refer to DTC Check/Clear (Click here).

      Result
      Result Proceed to
      DTC is output. A
      DTC is not output. B
      Tip:

      • Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.

      • Refer to the detailed description on the diagnostic screen as necessary (Click here).

      • Check the DTCs and inspect the area that the code indicates.


      • B
      • Go to step 9
      • A
  8. Click here

    DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output code in Diagnostic Trouble Code Chart (Click here).


      • NEXT
      • Go to step 11
  9. Click here

    PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table (Click here).

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table. A
      Fault is listed in Problem Symptoms Table. B
      Tip:

      If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms (Click here).


      • B
      • Go to step 11
      • A
  10. Click here

    PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU (Click here).


      • NEXT
  11. Click here

    CHECK CIRCUIT


    1. Adjust, repair or replace as necessary.


      • NEXT
  12. Click here

    RECHECK FOR DIAGNOSTIC TROUBLE CODE

    Tip:

    After clearing the DTCs, recheck for DTCs.


    • NEXT
  13. Click here

    PERFORM CONFIRMATION TEST


    • NEXT
    • END