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 UNLOCK
| TEST | ACTION | APPLICABILITY |
|---|---|---|
| 1 | With the DRBIII®, read DTCs. Are there any Power Door Lock related codes present? Yes --> Refer to POWER DOOR LOCKS/RKE . Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 2 |
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| 2 | Install a substitute Relay in place of the Driver Door Unlock Relay. Remove the key from the ignition switch. Press the door lock switch to the Lock and Unlock positions. Did the Driver Door Lock and Unlock? Yes --> Replace the Driver Door Unlock Relay. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 3 |
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| 3 | Turn ignition off. Remove the Driver Door Unlock relay from the Junction Block. Remove the Driver Door inner trim panel and gain access to the door lock motor connector. Disconnect the Driver Door Lock Motor connector. Measure the resistance between ground and the Driver Door Unlock Relay Output circuit (cavity 30) in the relay connector. Is the resistance below 1000.0 ohms? Yes --> Repair the Driver Door Unlock Relay Output wire for a short to ground. Perform BODY VERIFICATION TEST - VER 1 . No --> Test Complete. |
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