Driver Door Ajar Circuit Open

DRIVER DOOR AJAR CIRCUIT OPEN












1. OPEN DRIVER DOOR AJAR SWITCH




1. Disconnect the Driver Door Latch connector.
2. Connect a jumper wire between the (G75) Sense circuit and the (Z75/Z917) Ground circuit.
3. With the scan tool in Inputs/Outputs, read the DRV DOOR AJAR SW state.

Does the scan tool display CLOSED?

Yes

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

No

- Go To 2

2. OPEN (Z75/Z917) DRIVER DOOR AJAR SWITCH GROUND CIRCUIT




1. Using a 12-volt Test Light connected to 12-volts, test the (Z75/Z917) Ground circuit in the Door Latch connector.

Does the test light illuminate brightly?

Yes

- Go To 3

No

- Repair the (Z75/Z917) Driver Door Ajar Switch Ground circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

3. OPEN (G75) DRIVER DOOR AJAR SWITCH SENSE CIRCUIT




1. Turn the ignition off.
2. Disconnect the Instrument Cluster C3 harness connector.
3. Measure the resistance of the (G75) Driver Door Ajar Switch Sense circuit between the Instrument Cluster connector and the Door Latch connector.

Is the resistance below 5.0 Ohms?

Yes

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

No

- Repair the (G75) Driver Door Ajar Switch Sense circuit for an open.
- Perform the BODY VERIFICATION TEST. Body Verification Test.