Driver Door Fails To Lock and Unlock

*DRIVER DOOR FAILS TO LOCK AND UNLOCK





For a complete wiring diagram Consult Diagrams/Electrical





Diagnostic Test

1. DRIVER DOOR MODULE




Remove the inner door trim panel and gain access to the Driver Door Module.
Ensure the drivers window is down and the door lock is LOCKED.
Disconnect the Driver Door Module "C1" connector.

NOTE: Check connectors - Clean/repair as necessary.

Connect a jumper wire between the (P3) Driver Door Lock Driver circuit and the (Z821) Ground circuit in the "C1" connector.
Connect a jumper wire to the (P1) Driver Door Unlock Driver circuit and momentarily touch it to the (A215) Fused B(+) circuit and observe the door lock.
Did the drivers door UNLOCK?

Yes

- Replace the Driver Door Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Go To 2

2. (P1) DRIVER DOOR UNLOCK DRIVER WIRE OPEN




Turn the ignition off.
Disconnect the Driver Latch connector.
Measure the resistance of the (P1) Driver Door Unlock Driver circuit between the DDM connector and the Door Latch connector.
Is the resistance below 5.0 ohms?

Yes

- Go To 3

No

- Repair the (P1) Driver Door Unlock Driver wire for an open.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

3. (P3) DRIVER DOOR LOCK DRIVER WIRE




Measure the resistance of the (P3) Driver Door Lock Driver circuit between the DDM connector and the Door Latch connector.
Is the resistance below 5.0 ohms?

Yes

- Replace the Door Latch.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Repair the (P3) Driver Door Lock Driver wire for an open.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.