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.


    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use the intelligent tester to check if the CAN communication system is functioning normally Click here

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD with Entry and Start System) B
      CAN DTC is output (for LHD without Entry and Start System) C
      CAN DTC is output (for RHD with Entry and Start System) D
      CAN DTC is output (for LHD without Entry and Start System) E

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      C

      GO TO CAN COMMUNICATION SYSTEM Click here

      D

      GO TO CAN COMMUNICATION SYSTEM Click here

      E

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Check if the LIN communication system is functioning normally.

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

      B

      GO TO LIN COMMUNICATION SYSTEM Click here

      A

  5. CHECK FOR DTC*


    1. Clear the DTCs. Click here

    2. Recheck for DTCs.

      Result
      Result Proceed to
      No DTCs are output A
      DTC B2311 is output B
      DTC B2312 is output B
      DTC B2313 is output B

      B

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  6. 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

      GO TO STEP 8
      A

  7. 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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  8. REPAIR OR REPLACE

    Result
    Result Proceed to
    Door window regulator replaced or removed/installed A
    Door window regulator not replaced or removed/installed B

    B

    GO TO STEP 10
    A

  9. RESET POWER WINDOW REGULATOR


    1. If a power window regulator switch LED is blinking, initialize the power window regulator Click here.


      NEXT

  10. CONFIRMATION TEST


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    END