How To Proceed With Troubleshooting

HINT.

• Use this procedure to troubleshoot the theft deterrent system.
• * Use the Techstream

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer to confirm the trouble (See HOW TO PROCEED WITH TROUBLESHOOTING )
3. INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)* 
   1. Use the Techstream to check for normal function of the multiplex communication system (See DIAGNOSTIC TROUBLE CODE CHART )

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   B: Go To MULTIPLEX COMMUNICATION ARTICLE  (See DIAGNOSTIC TROUBLE CODE CHART )

   A: Go to next Step 

4. SYMPTOM SIMULATION 
5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT REFERENCE
   
   

   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: Go to next Step 

6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM* 
   1. Terminals of ECU (See TERMINALS OF ECU  ).
   2. System Description (See SYSTEM DESCRIPTION  )
   3. Data List/Active Test (See DATA LIST / ACTIVE TEST  ).
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

   NEXT: END