THEFT DETERRENT SYSTEM (w/ Smart Entry and Start System) HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedure to troubleshoot the theft deterrent system.

  • The intelligent tester should be used in step 3.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT

  2. CUSTOMER PROBLEM ANALYSIS


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


      NEXT

  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.


      NEXT

  5. PROBLEM SYMPTOMS TABLE


    1. If the fault is not listed in the problem symptoms table, proceed to A.

    2. If the fault is listed in the problem symptoms table, proceed to 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


    NEXT

  8. CONFIRMATION TEST


    NEXT
    END