THEFT DETERRENT SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use this procedure to troubleshoot the theft deterrent system.

  • *: Using the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


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  2. CUSTOMER PROBLEM ANALYSIS


    1. Interview the customer to confirm the trouble Click here.


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  3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*


    1. Use the intelligent tester to check for normal function of the multiplex communication system Click here.

      Result
      Result Proceed to
      Multiplex communication DTC is not output A
      Multiplex communication DTC is output B

      B

      Go to MULTIPLEX COMMUNICATION SECTION Click here

      A

  4. SYMPTOM SIMULATION


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  5. 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 7
    A

  6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM


    1. Terminals of ECU Click here.

    2. System Description Click here.

    3. Data List/Active Test Click here.

  7. ADJUST, REPAIR OR REPLACE


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  8. CONFIRMATION TEST


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    END