NAVIGATION SYSTEM (for DVD) > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use the following procedure to troubleshoot the navigation 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.


    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 multi-display does not open.
      		B
      The multi-display opens but does not display anything.
      		B



    		B.
    Go to step 6
    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 CAN COMMUNICATION SYSTEM*

    1. Check for DTC output (Click here).

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



    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here)
    A


    6.CHECK FOR DTC*

    1. Refer to DTC Check/Clear (Click here).

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

      HINT:
      If more information is needed, perform a check using the "System Check Mode" screen after checking for DTCs using the intelligent tester.



    		B.
    Go to step 10
    A


    7.DTC CLEAR*

    1. Refer to DTC Check/Clear (Click here).

      HINT:
      The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.


    NEXT


    8.RECHECK FOR DTC*

    1. Refer to DTC Check/Clear (Click here).

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

      HINT:
      1. Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
      2. If more information is needed, perform a recheck using the "System Check Mode" screen after rechecking for DTCs using the intelligent tester.
      3. Check the DTCs and inspect the area that the code indicates.



    		B.
    Go to step 10
    A


    9.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 system.
      2. When DTCs other than those in Diagnostic Trouble Code Chart for the navigation system are output, refer to Diagnostic Trouble Code Chart for the relevant system.
      3. Audio and visual system (w/ Navigation 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



    		A.
    Go to step 12

    		B.
    GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System) (Click here)

    10.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 12
    A


    11.PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

    1. Refer to Terminals of ECU (Click here).


    NEXT


    12.CHECK CIRCUIT

    1. Adjust, repair or replace as necessary.


    NEXT


    13.RECHECK FOR DIAGNOSTIC TROUBLE CODE

      HINT:
      After clearing DTCs, recheck for DTCs.


    NEXT


    14.PERFORM CONFIRMATION TEST

      NEXT

      END