AUDIO AND VISUAL SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
Use these procedures to troubleshoot the audio and visual system.


1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding.

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    3.BASIC INSPECTION
    1. Turn the ignition switch on (ACC).

    2. Check whether or not the display appears on the radio receiver.

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


    B.
    Go to step 6
    A


    4.CHECK FOR DTC
    1. Check for DTCs and note any codes that are output.

    2. Delete the DTCs.

    3. Recheck for DTCs. Based on the DTC output in the first step, try to force output of the audio system DTC by simulating the operation indicated by the DTC.

      HINT:
      1. If the system cannot enter diagnostic mode, inspect each AVC-LAN communication signal and repair or replace problem parts.
      2. Even if the malfunction symptom is not confirmed, check for DTCs, as the system stores past DTCs.
      3. Refer to the detailed description on the diagnostic screen as necessary (Click here).
      4. Check and clear past diagnostic trouble codes. Check the diagnostic trouble code and inspect the area the code indicates.
    4. Result 
      Result
      Proceed to
      DTC does not reoccur
      A
      DTC reoccurs
      B


    B.
    Go to step 7
    A


    5.PROBLEM SYMPTOMS TABLE

      Result 
      Result
      Proceed to
      Fault is not listed in problem symptoms table
      A
      Fault is listed in problem symptoms table
      B


    B.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING
    1. Terminals of ECU (Click here)

    2. Inspect front speaker (Click here)

    3. Inspect rear speaker (Click here)

    4. Inspect steering pad switch (Click here)


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    7.ADJUST, REPAIR OR REPLACE

      NEXT

      END