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

for Preparation Click here


HINT:
  1. Use the following procedure to troubleshoot the audio and visual system.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT AUXILIARY BATTERY VOLTAGE

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

      Standard Voltage:
      11 to 14 V

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


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    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.

      1. Refer to Navigation System (for HDD) (Click here).
      2. Refer to Navigation System (for DVD) (Click here).

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

      HINT:
      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.

      1. Refer to Navigation System (for HDD) (Click here).
      2. Refer to Navigation System (for DVD) (Click here).

      HINT:
      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.

      1. Refer to Navigation System (for HDD) (Click here).
      2. Refer to Navigation System (for DVD) (Click here).

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

      2. HINT:
      1. Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
      2. After the check using the intelligent tester, check the "System Check Mode" screen as necessary.
      3. 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).

      NOTICE:
      1. The navigation system outputs DTCs for the following systems.
      2. 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.
      3. Refer to Navigation System (for HDD) (Click here).
      4. 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

      HINT:
      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

      HINT:
      After clearing the DTCs, recheck for DTCs.


    NEXT


    12.PERFORM CONFIRMATION TEST

      NEXT

      END