THEFT DETERRENT SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use this procedure to troubleshoot the theft deterrent system.

  • *: Use 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. CHECK FOR DTC


    1. Check for DTCs and note any codes that are output.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs. Try to prompt the DTC by simulating the original symptom that the DTC suggests.

      Result
      Result Proceed to
      DTC does not recur A
      DTC recurs B

      B

      GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

      A

  4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Result
      Result Proceed to
      DTC does not recur A
      DTC recurs B

      B

      GO TO CAN COMMUNICATION SYSTEM Click here

      A

  5. SYMPTOM SIMULATION


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  6. PROBLEM SYMPTOMS TABLE


    1. Refer to 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 8
      A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. System Description Click here

    2. Terminals of ECU Click here

    3. Date List / Active Test Click here

  8. REPAIR OR REPLACE


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  9. CONFIRMATION TEST


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    END