Diagnostic Procedure
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - DRIVER DOOR FAILS TO LOCK AND UNLOCK
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | Remove the inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the Driver Door Lock Motor connector. Remove the key from the ignition switch. Connect a test light between the Door Lock Relay Output and the Driver Door Unlock Relay Output circuits in the door lock motor connector. Press the door lock switch to the Lock and Unlock positions. Did the test light illuminate brightly when the lock switch was pressed in both directions? Yes --> Replace the Door Lock Motor. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2 |
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| 2 | Turn ignition off. Remove the inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the Door Lock Motor connector. Using a 12-volt test light connected to ground, check the Driver Door Unlock Relay Output circuit. With the DRBIII®, actuate the DRIVER DOOR UNLOCK RELAY. Does the test light illuminate brightly when the relay is actuated? Yes --> Go To 3 No --> Repair the Driver Door Unlock Relay Output wire. Perform BODY VERIFICATION TEST - VER 1 . |
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| 3 | Turn ignition off. Remove the inner door trim panel to gain access to the Door Lock Motor connector. Disconnect the Door Lock Motor connector. Using a 12-volt test light connected to ground, check the Door Lock Relay Output circuit. With the DRBIII®, actuate the Door Lock Relay. Does the test light illuminate brightly when the relay is actuated? Yes --> Test Complete. No --> Repair the Door Lock Relay Output wire for an open. Perform BODY VERIFICATION TEST - VER 1 . |
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