Driver Door Lock Switch Inoperative

*DRIVER DOOR LOCK SWITCH INOPERATIVE





For a complete wiring diagram refer to Diagrams/Electrical.





This test is only for vehicles that do not have the Memory System.

Diagnostic Test

1. (Z940) GROUND CIRCUIT OPEN





Turn the ignition off.

Disconnect the Driver Window/Door Lock Switch C2 connector.

Turn the ignition on.

Using a 12-volt test light connected to 12-volts, check the (Z940) Ground circuit

Does the Test Light illuminate brightly?

Yes

- Go To 2

No

- Repair the (Z940) Ground circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. DOOR LOCK SWITCH SHORTED





Measure the voltage of the (G161) Driver Door Lock Switch Mux circuit.

Is the voltage approximately 5.0 volts?

Yes

- Replace the Driver Window/Door Lock Switch.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 3

3. DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND





Turn the ignition off.

Disconnect the Cluster C2 connector.

Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit.

Is the resistance below 10000.0 ohms?

Yes

- Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Go To 4

4. DRIVER DOOR LOCK SWITCH MUX CIRCUIT OPEN





Measure the resistance of the (G161) Driver Door Lock Switch Mux circuit between the Cluster C2 connector and the Driver Window/Door Lock Switch C1 connector.

Is the resistance below 5.0 ohms?

No

- Repair the (G161) Driver Door Lock Switch Mux circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

Yes

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