One Door Lock Inoperative

ONE DOOR LOCK INOPERATIVE





For a complete wiring diagram,






1. TEST FOR DIAGNOSTIC TROUBLE CODES
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Operate the Driver Door Lock Switch in all positions several times.
4. Cycle the ignition from on to off 3 times.
5. Turn the ignition on.
6. With the scan tool, read the active DTCs.

Does the scan tool display any Power Door Lock related DTCs?

No

- Go To 2

Yes

- Diagnose and repair the DTCs.

2. CHECK DOOR LOCK MOTOR CIRCUIT




1. Turn the ignition off.
2. Disconnect the inoperative Door Latch connector.
3. Connect a 12-volt test light between the Door Lock Driver and the Door Unlock Driver circuits in the latch connector.

NOTE: Graphic shows Right Front Latch - all others similar.

4. Remove the key from the ignition switch.
5. Operate the door locks several times in the lock and unlock positions from a door lock switch and observe the test light.

Does the test light illuminate brightly when the locks are actuated in both directions?

Yes

- Replace the Door latch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Using the wiring diagram/schematic as a guide, repair the appropriate Door Lock Driver or Door Unlock Driver circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.