How To Proceed With Troubleshooting

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

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the power door lock control system.
- Techstream should be used in steps 3 and 5.

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 Techstream to check if the Multiplex Communication System (MPX) is functioning normally.

Result





B -- GO TO MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
4. PROBLEM SYMPTOMS TABLE

Result





B -- Go to step 6
A -- Continue to next step.
5. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU
Pinout Values and Diagnostic Parameters
(b) DATA LIST/ACTIVE TEST
Scan Tool Testing and Procedures
NEXT -- Continue to next step.
6. REPAIR OR REPLACE
NEXT -- Continue to next step.
7. CONFIRMATION TEST
NEXT -- END