REAR SEAT ENTERTAINMENT SYSTEM (w/o Front Center Speaker) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the rear seat entertainment system.

  • *: Use the GTS.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS


    • When troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points in problem analysis:

      What Vehicle model, system name
      When Date, time, occurrence frequency
      Where Road conditions
      Under what conditions? Driving conditions, weather conditions
      How did it happen? Problem symptoms

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  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

      Tech Tips

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


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  4. CHECK CABIN


    1. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

      OK
      Condensation is not likely being produced and the temperature is not high or extremely low.

      Tech Tips


      • A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.

      • The audio and visual system may not operate normally when the temperature is -20°C (-4°F) or lower, or 65°C (149°F) or higher.


      NG
      OK
  5. CHECK FOR DTC*


    1. Refer to DTC Check/Clear Click here.

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

      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 (for Audio and Visual System) Click here.

      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 (for Navigation System) Click here.


      B
      A
  6. DTC CLEAR*


    1. Refer to DTC Check/Clear Click here.

      Tech Tips

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


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  7. RECHECK FOR DTC*


    1. Refer to DTC Check/Clear Click here.

      Result
      Result Proceed to
      DTCs are not output. A
      DTCs are output (for Audio and Visual System). B
      DTCs are output (for Navigation System). C

      Tech Tips


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

      • 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 (for Audio and Visual System) Click here.

        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 (for Navigation System) Click here.

      • Check the DTCs and inspect the area that the code indicates.


      B
      C
      A
  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

      Tech Tips

      If the symptom does not recur and no DTCs are output, attempt to reproduce the symptoms Click here.


      B
      A
  9. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM


    1. Refer to Terminals of ECU Click here.

    2. Refer to Operation Check Click here.


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  10. CHECK CIRCUIT


    1. Adjust, repair or replace as necessary.


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  11. RECHECK FOR DTC*


    1. After clearing DTCs, recheck for DTCs Click here.


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  12. PERFORM CONFIRMATION TEST


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