THEFT DETERRENT SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING


HINT:
  1. Use this procedure to troubleshoot the theft deterrent system.
  2. The intelligent tester should be used in step 2.



1.VEHICLE BROUGHT TO WORKSHOP

    NEXT


    2.INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

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

      1. (ECU unconnected, communication line malfunctioning) If no codes are output, proceed to A.

      2. (ECU unconnected, communication line malfunctioning) If any codes are output, proceed to B.



    		B.
    Go To MULTIPLEX COMMUNICATION SECTION
    A


    3.DTC CHECK

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

    2. Delete the DTC.

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

      1. If the DTC does not reoccur, proceed to A.

      2. If the DTC reoccurs, proceed to B.



    		B.
    Go To DTC chart
    A


    4.SYMPTOM SIMULATION

      NEXT


      5.PROBLEM SYMPTOMS TABLE

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

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



      		B.
      Go to step 6
      A


      6.PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

      1. Terminals of ECU (Click here)

      2. On-vehicle inspection (Click here)



      7.ADJUST, REPAIR OR REPLACE

        NEXT


        8.CONFIRMATION TEST

          NEXT

          END