REAR SUNSHADE SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the rear sunshade system.

  • *: Use the intelligent tester.


  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. CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)*


    1. Using the intelligent tester, check if the electric power control system is functioning normally.

      Result
      Result Proceed to
      DTC B22B3 is not output A
      DTC B22B3 is output B

      B
      A
  4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN Communication System is functioning normally.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for LHD) B
      DTC is output (for RHD) C

      B
      C
      A
  5. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the LIN Communication System is functioning normally.

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

      B
      A
  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
      A
  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test Click here

    2. Terminals of ECU Click here

    3. Operation Check Click here


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  8. REPAIR OR REPLACE


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  9. CONFIRMATION TEST


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