FRONT POWER SEAT CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedures to troubleshoot the front power seat 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. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*


    1. Use the intelligent tester to check if the multiplex communication system (MPX) is functioning normally Click here.

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

      B

      Go to MULTIPLEX COMMUNICATION SYSTEM Click here

      A

  4. 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 6
    A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List/Active Test Click here.

    2. Terminals of ECU Click here.

    3. Operation Check Click here.


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  6. REPAIR OR REPLACE


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  7. CONFIRMATION TEST


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    END