POWER WINDOW CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use these procedures to troubleshoot the power window control system.

  • *: Use the GTS.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. INSPECT AUXILIARY BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

    If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.


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  3. CHECK FOR DTC*


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

    2. Clear the DTCs.

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

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

      B

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      C

      GO TO LIN COMMUNICATION SYSTEM Click here

      D

      GO TO CAN COMMUNICATION SYSTEM Click here

      E

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  4. PROBLEM SYMPTOMS TABLE


    1. Refer to 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

      ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
      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
    Power window regulator motor replaced or removed/installed Door window regulator, power window regulator motor assembly, door glass or door glass run has been removed and reinstalled. A
    None of the door window regulator, power window regulator motor assembly, door glass or door glass run has been removed and reinstalled. B

    B

    GO TO STEP 8
    A

  7. PERFORM INITIALIZATION


    1. Initialize the power window regulator motor Click here.


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  8. CONFIRMATION TEST


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    END