POWER WINDOW CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the power window control 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*


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

    2. Clear the DTC.

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

      Result:
      Result Proceed to
      No DTCs output A
      B2311 is output B
      B2312 is output B
      B2313 is output B
      CAN communication system DTC output reoccur (for LHD) C
      CAN communication system DTC output reoccur (for RHD) D
      LIN communication system DTC output reoccur E

      B
      C
      D
      E
      A
  4. 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
  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check Click here.

    2. Terminals of ECU Click here.

    3. Data List / Active Test Click here.


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  6. REPAIR OR REPLACE

    Result:
    Result Proceed to
    Door window regulator and power window regulator motor assembly is replaced or removed/installed. A
    Door window regulator and power window regulator motor assembly is not replaced or removed/installed. B

    B
    A
  7. PERFORM INITIALIZATION


    1. Initialize the power window regulator motor Click here.


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  8. CONFIRMATION TEST


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