Courtesy Lamps: Notes
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
The courtesy lamp subsystem consists of the door ajar switches (integrated into the door latches), the interior dome lamps, the cargo lamp, the running board lamps, the instrument panel dimmer switch, the SCCM, and the BCM.