Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

DRIVER DOOR FAILS TO LOCK OR UNLOCK FROM ANY SWITCH - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	Turn the ignition off. Disconnect the Driver Door Lock Motor connector. Using a 12-volt test light, connect one end to the Driver Door Unlock Relay Output circuit and the other to the Door Lock Relay Output circuit in the Door Lock Motor connector. With the DRBIII(R), actuate the Door Lock Relay and then the Door Unlock Relay Did the test light illuminate brightly when the door lock was actuated in both directions? Yes --> Replace the Door Lock Motor. Perform BODY VERIFICATION TEST - VER 1 . No --> Test Complete.

TEST

ACTION

Turn the ignition off.
Disconnect the Driver Door Lock Motor connector.
Using a 12-volt test light, connect one end to the Driver Door Unlock Relay Output circuit and the other to the Door Lock Relay Output circuit in the Door Lock Motor connector.
With the DRBIII(R), actuate the Door Lock Relay and then the Door Unlock Relay
Did the test light illuminate brightly when the door lock was actuated in both directions?

Yes --> Replace the Door Lock Motor.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Test Complete.