Left Front Locks Only - All Others Inoperative

*LEFT FRONT LOCKS ONLY - ALL OTHERS INOPERATIVE

For a complete wiring diagram refer to Diagrams/Electrical.

NOTE: If any of the above circuits are shorted, the fuse may blow after one attempt to operate the locks.

Diagnostic Test

1.CHECK FOR ACTIVE DTC's

Turn the ignition on.

With the scan tool, read active DTC's.

Does the scan tool display any door lock related DTC's?

No

- Go To 2

Yes

- Refer to symptom list for problems related to Power Door Locks. Diagnose and repair the DTC's

2.CHECK (P1) DOOR UNLOCK DRIVER LEFT FRONT FOR SHORT TO GROUND

Turn the ignition off.

Disconnect the Cluster C1 connector.

Measure the resistance between ground and the (P1) Door Unlock Driver Left Front circuit.

Is the resistance below 1000.0 ohms?

No

- Go To 3

Yes

- Repair the (P1) Door Unlock Driver Left Front circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

3.CHECK THE (P5) DOOR UNLOCK DRIVER LEFT REAR/LIFTGATE FOR A SHORT TO THE (P393) DOOR LOCK DRIVER LEFT DOORS

Measure the resistance between the (P5) Door Unlock Driver Left Rear/Liftgate and the (P393) Door Lock Driver Left Doors circuits.

Is the resistance below 2.0 ohms?

No

- Go To 4

Yes

- Repair the (P5) Door Unlock Driver Left Rear/Liftgate circuit for a short to the (P393) Door Lock Driver Left Doors circuit.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

4.CHECK THE (P392) DOOR LOCK DRIVER RIGHT DOORS CIRCUIT FOR A SHORT TO THE (G778) DOOR UNLOCK DRIVER RIGHT DOORS CIRCUIT

Measure the resistance between the (P392) Door Lock Driver Right Doors circuit and the (G778) Door Unlock Driver Right Doors circuit.

Is the resistance below 2.0 ohms?

No

- Replace the Instrument Cluster.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

- Repair the (P392) Door Lock Driver Right Doors circuit for a short to the (G778) Door Unlock Driver Right Doors circuit.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test