Circuit/System Testing
- Ignition OFF, disconnect harness connector at the driver door latch assembly.
- Ignition ON, verify the scan tool Driver Door Ajar Sw. parameter is Door Closed.
- If not the specified value, test the signal circuit terminal 4 for a short to ground. If the circuit tests normal, replace the BCM.
- If all circuit tests normal, test or replace the driver door latch assembly.