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.

ALL DOORS FAIL TO LOCK FROM ANY SWITCH - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	NOTE: Ensure Driver Door Ajar Switch and Parking Lamps are operational before proceeding. Both affect this symptom. Remove the key from the ignition switch.With the DRBIII(R), read the KEY-IN IGNITION status.Does the DRBIII(R) display CLOSED? Yes --> Go To 2 No --> Go To 5
2	Disconnect the ignition switch connector. With the DRBIII(R), read the KEY-IN IGNITION status. Does the DRBIII(R) display CLOSED? Yes --> Go To 3 No --> Replace the Ignition Switch. Perform BODY VERIFICATION TEST - VER 1 .
3	Disconnect the ignition switch connector. Disconnect the CTM C1 connector. Measure the resistance between ground and the Key-In Ignition Switch Sense circuit. Is the resistance below 1000.0 ohms? Yes --> Repair the Key-In Ignition Switch Sense circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 4
4	If there are no possible causes remaining, view repair. Repair Replace the Central Timer Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 .
5	Turn ignition off. Disconnect the Central Timer Module C2 connector Measure the resistance of the Door Lock Relay Output circuit in the CTM C2 connector. Is the resistance below 100.0 ohms? Yes --> Repair the Door Lock Relay Output circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1 . No --> Go To 6
6	If there are no possible causes remaining, view repair. Repair Replace the Central Timer Module in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 .