NAVIGATION SYSTEM (for DVD) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

Use the following procedure to troubleshoot the navigation system (for DVD).


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. INSPECT BATTERY VOLTAGE


    1. Inspect the battery voltage.

      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. 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

      Go to step 9
      A

  4. 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. CHECK FOR DTC


    1. Refer to DTC Check/Clear Click here.

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

      B

      Go to step 9
      A

  6. DTC CLEAR


    1. Clear the DTCs and finish the diagnostic mode.

      Tech Tips

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


      NEXT

  7. RECHECK FOR DTC

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

    Tech Tips


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

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

    • Check the diagnostic trouble code and inspect the area that the code indicates.


    B

    Go to step 9
    A

  8. DIAGNOSTIC TROUBLE CODE CHART


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


      NEXT

      Go to step 11

  9. 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

      Tech Tips

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


      B

      Go to step 11
      A

  10. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU Click here.


      NEXT

  11. CHECK THE CIRCUIT


    1. Adjust, repair or replace as necessary.


      NEXT

  12. RECHECK FOR DIAGNOSTIC TROUBLE CODE

    Tech Tips

    After clearing the DTCs, recheck for DTCs.


    NEXT

  13. PERFORM CONFIRMATION TEST


    NEXT
    END