How To Proceed With Troubleshooting

THEFT DETERRENT: THEFT DETERRENT SYSTEM (w/ Smart Key System): HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use this procedure to troubleshoot the theft deterrent system.
* Techstream should be used in step 3.

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 Techstream to check for normal function of the multiplex communication system.

(1) (ECU unconnected, communication line malfunctioning) If no code is output, proceed to A.

(2) (ECU unconnected, communication line malfunctioning) If any code is output, proceed to B.

B -- Go To CAN COMMUNICATION SECTION
A -- Continue to next step.

4. SYMPTOM SIMULATION

NEXT -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

(a) If the fault is not listed in the problem symptoms table, proceed to A.

(b) If the fault is listed in the problem symptoms table, proceed to B.

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

6. PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

(a) System description Theft Deterrent System (w/ Smart Key System)

(b) Terminals of ECU Theft Deterrent System (w/ Smart Key System)

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END