Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The driver door module (DDM) receives lock/unlock commands from the RKE transmitter or the RKE keypad. The DDM then communicates with the lighting control module (LCM) and arms/disarms the alarm system.