POWER WINDOW CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips

Use these procedures to troubleshoot the power window control system.


  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. PROBLEM SYMPTOMS TABLE


    1. Refer to the 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

      B

      Go to step 5
      A

  4. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Operation Check Click here.

    2. Terminals of ECU Click here.


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  5. REPAIR OR REPLACE

    Result
    Result Proceed to
    Door window regulator replaced or removed/installed (w/ Jam Protection) A
    Door window regulator not replaced or removed/installed (w/ Jam Protection) B
    Vehicles without a jam protection function B

    B

    Go to step 7
    A

  6. PERFORM INITIALIZATION


    1. w/o Regulator:


      1. Initialize the front power window regulator motor assembly (for driver side) Click here.

    2. w/ Regulator:


      1. Initialize the front door window regulator sub-assembly (for driver side) Click here.


      NEXT

  7. CONFIRMATION TEST


    NEXT
    END