How To Proceed With Troubleshooting

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use this procedure to troubleshoot the theft deterrent system.
* The 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 MULTIPLEX COMMUNICATION SYSTEM (BEAN)

(a) Use the 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 MULTIPLEX 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 on the problem symptoms table, proceed to A.

(b) If the fault is listed on 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) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) DATA LIST / ACTIVE TEST Scan Tool Testing and Procedures

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END