AUDIO AND VISUAL SYSTEM (w/ Navigation System) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the audio and visual system.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage
      11 to 14 V

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


      NEXT

  3. BASIC INSPECTION


    1. Turn the power switch on (IG).

    2. Check whether or not the radio receiver assembly turns on.

      Result
      Result Proceed to
      Radio receiver assembly turns on. A
      Radio receiver assembly does not turn on. B

      B

      Go to step 8
      A

  4. CHECK FOR DTC*


    1. Refer to DTC Check/Clear of the navigation system.


      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output. B

      Tech Tips

      After the check using the intelligent tester, check the "System Check Mode" screen as necessary.


      B

      Go to step 8
      A

  5. DTC CLEAR*


    1. Refer to DTC Check/Clear of the navigation system.


      Tech Tips

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


      NEXT

  6. RECHECK FOR DTC*


    1. Refer to DTC Check/Clear of the navigation system.


      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output. B

      Tech Tips


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

      • After the check using the intelligent tester, check the "System Check Mode" screen as necessary.

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


      B

      Go to step 8
      A

  7. 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 the codes in Diagnostic Trouble Code Chart for the audio and visual system are output, refer to Diagnostic Trouble Code Chart for the following systems.

      • Refer to Navigation System (for HDD) Click here.

      • Refer to Navigation System (for DVD) Click here.

      Result
      Result Proceed to
      DTCs for the audio and visual system (w/ Navigation System) are output. A
      DTCs for the navigation system (for HDD) are output. B
      DTCs for the navigation system (for DVD) are output. C

      A

      Go to step 10
      B

      GO TO NAVIGATION SYSTEM (for HDD)
      C

      GO TO NAVIGATION SYSTEM (for DVD)

  8. 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 the symptoms Click here.


      B

      Go to step 10
      A

  9. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU Click here.


      NEXT

  10. CHECK CIRCUIT


    1. Adjust, repair or replace as necessary.


      NEXT

  11. RECHECK FOR DIAGNOSTIC TROUBLE CODE

    Tech Tips

    After clearing the DTCs, recheck for DTCs.


    NEXT

  12. PERFORM CONFIRMATION TEST


    NEXT
    END