Principles of Operation
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The lighting control module (LCM) controls several vehicle subsystems. Diagnostic information is retrieved from the LCM on the standard corporate protocol (SCP) network. The LCM responds to electrical input signals from various switches, sensors, and external modules. The LCM is located under the LH side of the instrument panel. Subsystem functions of the LCM include:
- Battery saver and control backlighting
- Brake shift interlock
- Exterior lighting
- Interior lighting
- Perimeter alarm