AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

Use these procedures to troubleshoot the audio and visual system.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage with the ignition switch off.

      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 to ON.

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

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

      B

      Go to step 6
      A

  4. CHECK FOR DTC


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

    2. Clear the DTCs.

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

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

      B

      Go to DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  5. PROBLEM SYMPTOMS TABLE


    1. Refer to the 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

      B

      Go to step 7
      A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU Click here.


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  7. ADJUST, REPAIR OR REPLACE


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  8. CONFIRMATION TEST


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    END