Driver Door Ajar Circuit Shorted to Ground

DRIVER DOOR AJAR CIRCUIT SHORTED TO GROUND

Driver Door Ajar Circuit Shorted To Ground:

POSSIBLE CAUSES
- (G75) Driver door ajar switch sense circuit short to ground
- Driver door ajar switch
- Instrument cluster

DIAGNOSTIC TEST

1. DRIVER DOOR AJAR SWITCH SHORT TO GROUND




With the DRBIII(R) in Inputs/Outputs, read the DRV DOOR AJAR SW state.
While monitoring the DRBIII(R), disconnect the Driver Door Latch connector.

Q: Did the Switch State change from CLOSED to OPEN?

YES:Replace the Driver Door Latch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 2

2. (G75) DRIVER DOOR AJAR SWITCH SENSE CIRCUIT SHORT TO GROUND




Turn the ignition off.
Disconnect the Instrument Cluster C3 harness connector.
Using a 12-volt test light connected to 12-volts, probe the (G75) Driver Door Ajar Switch Sense circuit and test for a short to ground.
Turn the ignition on.

Q: Does the test light illuminate brightly?

YES: Repair the (G75) Driver Door Ajar Switch Sense circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test