How To Proceed With Troubleshooting

HINT:

• Use this procedure to troubleshoot the theft deterrent system.
• The intelligent tester should be used in step  3.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer to confirm the trouble ( HOW TO PROCEED WITH TROUBLESHOOTING ).
3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM 
   1. Use the intelligent tester to check for normal function of the CAN communication system.

      Result 

      RESULT CHART
      
      

      Result	Proceed To
      CAN DTC is not output	A
      CAN DTC is output	DIAGNOSTIC TROUBLE CODE CHART

   B:  Go to CAN COMMUNICATION SYSTEM

   A: Go to Next Step 

4. SYMPTOM SIMULATION 
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: Go to Next Step 

6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM 
   1. System description (SYSTEM DESCRIPTION  )
   2. Terminals of ECU (TERMINALS OF ECU  )
7. ADJUST, REPAIR OR REPLACE 
8. CONFIRMATION TEST 

   NEXT: END