THEFT DETERRENT SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use the following procedure to troubleshoot the theft deterrent system.
  2. 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 CAN COMMUNICATION SYSTEM*

    1. Use the intelligent tester to check if the CAN communication system is functioning normally (Click here).
      Result 
      Result
      		Proceed to
      CAN DTC is not output
      		A
      CAN DTC is output
      		B



    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here)
    A


    4.SYMPTOM SIMULATION

    1. Symptom simulation (Click here).


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    5.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 7
    A


    6.PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

    1. System description (Click here).

    2. Terminals of ECU (Click here).



    7.ADJUST, REPAIR OR REPLACE

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      8.CONFIRMATION TEST

        NEXT

        END