How To Proceed With Troubleshooting
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM:
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. INSPECT BATTERY VOLTAGE
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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 -- After repair, go to step 7
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