POWER WINDOW CONTROL SYSTEM (w/o Jam Protection Function) 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.


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  3. PROBLEM SYMPTOMS TABLE

    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. Terminals of ECU Click here.

    2. On-vehicle Inspection Click here.

    3. Inspection.


      1. Inspect master switch Click here.

      2. Inspect front passenger switch Click here.

      3. Inspect rear switch Click here.

      4. Inspect power window motor Click here.


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  5. REPAIR OR REPLACE


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  6. CONFIRMATION TEST


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    END