All Door Locks Inoperative

*ALL DOOR LOCKS INOPERATIVE





For a complete wiring diagram Consult Diagrams/Electrical.





Diagnostic Test

1. DTC PRESENT
Turn the ignition on.
With the scan tool , read DTC's.
Does the scan tool display any Door Lock or Cluster related DTC's?

Yes

- Repair the DTC's.

No

- Go To 2

2. FUSE No. 9 OPEN




Turn the ignition off.
With the fuse installed, test both sides of fuse No. 9 in the Junction Block.
Is there 12 volts on both sides of the fuse?

Yes

- Go To 3

No

- Replace the fuse if open and retry the system. If the fuse blows, locate and repair a short to the Instrument Cluster. The 12 volt supply to the fuse is a bus bar in the IPM.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

3. (A924) FUSED B+ CIRCUIT OPEN




Disconnect the Cluster C1 connector.
Using a 12-volt test light connected to ground, check both (A924) Fused B+ circuits in the Cluster connector.
Does the test light illuminate brightly at both terminals?

Yes

- Go To 4

No

- Repair the Fused B+ circuits for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test

4. (Z946) GROUND CIRCUIT OPEN




Using a 12-volt test light connected to 12-volts, check the (Z946) Ground circuit in the Cluster connector.
Does the test light illuminate brightly?

Yes

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

No

- Repair the (Z946) Ground circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.Body Verification Test