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How To Proceed With Troubleshooting





THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use this procedure to troubleshoot the theft deterrent system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble How To Proceed With Troubleshooting.

NEXT -- Continue to next step.

3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use a Techstream to check if the CAN communication system is functioning normally Diagnosis System.





B -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

4. SYMPTOM SIMULATION

NEXT -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE





B -- Go to step 7
A -- Continue to next step.

6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

(a) System Description Theft Deterrent System

(b) Terminals of ECU Theft Deterrent System

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END