AUDIO AND VISUAL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

In accordance with the following procedures, troubleshoot the audio and visual system.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.


    NEXT

  3. BASIC INSPECTION


    1. Turn the ignition switch to ACC.

    2. Check if the display appears on the combination meter assembly.

      Result
      Result Proceed to
      Display appears A
      Display does not appear B

      B

      PROCEED TO PROBLEM SYMPTOMS TABLE Click here

      A

  4. CHECK FOR DTC


    1. Check for DTCs and note any codes that are output 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.

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

    2. Clear the DTCs.

    3. Recheck for DTCs by simulating the operation indicated by the DTCs.

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

      B

      Go to step 6
      A

  5. DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output code in the Diagnostic Trouble Code Chart Click here.


      NEXT
      Go to step 8

  6. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table Click here.

      Result
      Result Proceed to
      Fault not listed in Problem Symptoms Table A
      Fault listed in Problem Symptoms Table B

      B

      Go to step 8
      A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU Click here


      NEXT

  8. ADJUST, REPAIR OR REPLACE


    NEXT

  9. CONFIRMATION TEST


    NEXT
    END