Door Latch
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
The door ajar switch, lock/unlock solenoid, and lock/unlock status input switch are part of the door latch and not serviceable separately.
The door ajar switch is monitored by the BCM and the primary function is for the courtesy lamps system. Refer to: Interior Lighting - System Operation and Component Description .
The lock/unlock solenoid is controlled by the BCM for locking and unlocking the door. Refer to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .
The lock/unlock status input switch is used to illuminate the door lock status indicator. Refer to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .