Lamp Control Module: Description and Operation

The Lighting Control Module (LCM) eliminates the electronic interference and heat associated with the thermoelectric devices used previously. The LCM is a microprocessor based module that controls several vehicle subsystems. It responds to electrical signals from various switches, sensors, and external modules.

LCM subsystem function include:
^ headlamps with autolamps
^ turn signal lamps/hazard flasher lamps
^ cornering lamps
^ parking lamps
^ courtesy lamps
^ demand lamps
^ battery saver
^ backlighting
^ interfacing with the driver door module via SCP for illuminated entry.