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.
* *: Using the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble.

NEXT -- Continue to next step.

3. INSPECT FOR DTC*

(a) Use the Techstream to check for DTC B1269 Theft Deterrent System.

Result:





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Theft Deterrent System
A -- Continue to next step.

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result:





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

5. SYMPTOM SIMULATION

NEXT -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 8
A -- Continue to next step.

7. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

(a) System description Theft Deterrent System.

(b) Terminals of ECU Theft Deterrent System.

(c) Data List/Active Test Theft Deterrent System.

8. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END