NAVIGATION SYSTEM (for DVD) HOW TO PROCEED WITH TROUBLESHOOTING


  1. VEHICLE BROUGHT INTO A WORKSHOP


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  2. DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION


    1. Ask the customer about symptoms and confirm malfunctions.


      THE SCREEN DISPLAYS NOTHING (GO TO STEP 8, AND PROCEED TO "BLACK SCREEN")

      OTHER SYMPTOMS (GO TO STEP 3)

  3. CONFIRM THE SYSTEM NORMAL CONDITION


    1. Refer to the "SYSTEM NORMAL CONDITION CHECK" Click here.


      APPLICABLE (THIS IS NOT A MALFUNCTION)

      NOT APPLICABLE (GO TO STEP 4)

  4. CHECK FOR DTC


    1. Refer to the "DTC CHECK / CLEAR" Click here.

      Tech Tips

      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.


      A CODE IS OUTPUT (GO TO STEP 5)

      A CODE IS NOT OUTPUT (GO TO STEP 8)

  5. DTC CLEAR


    1. Clear the DTCs and finish the diagnostic mode.

      Tech Tips

      The currently output DTCs may not indicate actual malfunctions depending on the vehicle conditions.


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  6. RECHECK FOR DTC

    Tech Tips


    • 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.

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


    A CODE IS OUTPUT (GO TO STEP 7)

    A CODE IS NOT OUTPUT (GO TO STEP 8)

  7. DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output code in the diagnostic trouble code chart Click here.


      NEXT

      GO TO STEP 10

  8. PROBLEM SYMPTOMS TABLE


    1. Find the applicable symptom in the problem symptoms table Click here.

      Tech Tips

      If the symptom does not recur and no code is output, perform the symptom reproduction method Click here.


      THERE IS AN APPLICABLE SYMPTOM IN THE TABLE (GO TO STEP 10)

      THERE IS NO APPLICABLE SYMPTOM IN THE TABLE (GO TO STEP 9)

  9. CHECK THE ECU TERMINAL ARRANGEMENT BASED ON THE MALFUNCTION SYMPTOM


    1. Refer to the "TERMINALS OF ECU" Click here.


      NEXT

  10. CHECK THE CIRCUIT


    1. Adjust, repair, or replace as necessary.


      NEXT

  11. RECHECK FOR DIAGNOSTIC TROUBLE CODE

    Tech Tips

    After deleting the DTCs, recheck for diagnostic trouble codes.


    NEXT

  12. PERFORM CONFIRMATION TEST


    NEXT
    END