One Door Lock Motor Inoperative
ONE DOOR LOCK MOTOR INOPERATIVEPOSSIBLE CAUSES
- DTC's present
- Door lock driver or door unlock driver circuit open
- Door latch
DIAGNOSTIC TEST
1. CHECK DOOR LOCK MOTOR CIRCUIT
With the DRBIII(R), read DTCs. If there are any door lock related DTC's, refer to symptom list for problems related to Power Door Locks and diagnose and repair the DTC's.
Disconnect the inoperative Door Latch connector.
Connect a 12 volt test light between the Door Lock Driver and the Door Unlock Driver circuits in the latch connector.
NOTE: Graphic shows Passenger Latch - all others similar.
Operate the door locks several times in the lock and unlock positions from a door lock switch and observe the test light.
Q: Does the test light illuminate brightly when the locks are actuated in both directions?
YES: Replace the Door latch.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Repair the appropriate Door Lock Driver or Door Unlock Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test