Passenger Door Ajar Circuit Shorted to Ground

PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND

Passenger Door Ajar Circuit Shorted To Ground:

POSSIBLE CAUSES
- (G74) passenger door ajar switch sense circuit short to ground
- Passenger door ajar switch
- Instrument cluster

DIAGNOSTIC TEST

1. PASSENGER DOOR AJAR SWITCH SHORT TO GROUND




With the scan tool in Inputs/Outputs, read the PASS DOOR AJAR SW state.
While monitoring the scan tool, disconnect the Passenger Door Latch connector.

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

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

2. (G74) PASSENGER 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 (G74) Passenger 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 (G74) Passenger 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