How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. Check the power door lock control system first before troubleshooting the wireless door lock control system.
Use this procedure to troubleshoot the wireless door lock control system.

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 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 CAN COMMUNICATION SECTION
A -- Continue to next step.

4. DTC CHECK
(a) Check for a DTC and note any codes that are output.
(b) Delete the DTC.
(c) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.
(1) If the DTC does not reoccur, proceed to A.
(2) If the DTC reoccurs, proceed to B.
B -- Go To DTC chart
A -- Continue to next step.

5. SYMPTOM SIMULATION
NEXT -- Continue to next step.

6. 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.

7. 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
NEXT -- Continue to next step.

8. ADJUST, REPAIR OR REPLACE
NEXT -- Continue to next step.

9. CONFIRMATION TEST
NEXT -- END