NAVIGATION SYSTEM (for DVD) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


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

  • *: Use the intelligent tester.


  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. A
      The screen displays nothing. B

      B

      Go to step 11, AND PROCEED TO "BLACK SCREEN"
      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 MULTIPLEX COMMUNICATION SYSTEM*


    1. Check for DTC output Click here.

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

      B

      GO TO MULTIPLEX COMMUNICATION SYSTEM
      A

  6. CHECK CAN COMMUNICATION SYSTEM*


    1. Check for DTC output Click here.

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

      B

      GO TO CAN COMMUNICATION SYSTEM
      A

  7. CHECK FOR DTC*


    1. Refer to DTC Check / Clear Click here.

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

      Tech Tips

      If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the intelligent tester Click here.


      B

      Go to step 11
      A

  8. DTC CLEAR*


    1. Refer to the DTC Check / Clear Click here.

      Tech Tips

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


      NEXT

  9. 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 DTCs. This is because the system stores history DTCs.

    • If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the intelligent tester Click here.

    • Check the DTC and inspect the area code indicates.


    B

    Go to step 11
    A

  10. DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output code in Diagnostic Trouble Code Chart 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 system.

      • Audio and visual system (w/ navigation system) Click here

      • Parking assist monitor system (w/ parking assist monitor monitor system) Click here

      Result
      Result Proceed to
      DTCs for the navigation system are output. A
      DTCs for the audio and visual system (w/ navigation system) are output. B
      DTCs for the parking assist monitor system (w/ parking assist monitor system) are output. C

      A

      Go to step 13
      B

      GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System)
      C

      GO TO PARKING ASSIST MONITOR SYSTEM (w/ Parking Assist Monitor System)

  11. 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, perform the symptom reproduction method Click here.


      B

      Go to step 13
      A

  12. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU Click here.


      NEXT

  13. CHECK CIRCUIT


    1. Adjust, repair or replace as necessary.


      NEXT

  14. RECHECK FOR DIAGNOSTIC TROUBLE CODE

    Tech Tips

    After clearing the DTCs, recheck for DTCs.


    NEXT

  15. PERFORM CONFIRMATION TEST


    NEXT
    END