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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 491 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Power Door Locks/RKS >> Symptom: *ALL DOORS FAIL TO LOCK >> Diagnostic Procedure

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 - ALL DOORS FAIL TO LOCK

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		 All
2 Close both front doors.
Insert the key in the ignition switch but do not turn the switch on.
Does the Chime continue to sound?
Yes --> Refer to CHIME .
Perform BODY VERIFICATION TEST - VER 1  .
No --> Go To 3		 All
3 Remove the Door Lock, the Door Unlock and the Driver Door Unlock relays from the Junction Block.
Measure the resistance between ground and the Lock Relay Output circuit in the Lock relay connector.
Is the resistance below 1000.0 ohms?
Yes --> Repair the Lock Relay Output circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1  .
No --> Replace the Door Lock Relay.
Perform BODY VERIFICATION TEST - VER 1  .		 All
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