How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer to confirm the trouble (See HOW TO USE THIS INFORMATION ).
3. INSPECT FOR DTC* 
   1. Use the Techstream to check for DTC B1269 (See DIAGNOSIS SYSTEM ).

   Result 

   RESULT REFERENCE
   
   

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

   B: GO TO DIAGNOSTIC TROUBLE CODE CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

   A: Go to Next Step 

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN communication system is functioning normally.

      Result 

      RESULT REFERENCE
      
      

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

      B: GO TO CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

      A: Go to Next Step 

5. SYMPTOM SIMULATION 
6. 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   8 

   A: Go to Next Step 

7. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM 
   1. See SYSTEM DESCRIPTION 
   2. See TERMINALS OF ECU 
   3. See DATA LIST / ACTIVE TEST 
8. ADJUST, REPAIR OR REPLACE 
9. CONFIRMATION TEST