Lamp Control Module: Description and Operation

Lighting Control Module (LCM)






This vehicle uses a LCM. This eliminates the electronic interference and heat associated with the thermo-electric devices used previously. The LCM:
^ Is a microprocessor based module that controls several vehicle subsystems.
^ Responds to electrical input signals from various switches, sensors and external modules.
^ Is located on the LH side of the instrument panel.
^ Subsystem functions include:
^ Headlamps with autolamps.
^ Stoplamps.
^ Turn signal lamps/hazard flasher lamps.
^ Cornering lamps.
^ Parking lamps.
^ Backup lamps.
^ Daytime Running Lamps (DRL).
^ Courtesy lamps.
^ Demand lamps.
^ Battery saver.
^ Backlighting.

^ Interfaces with the driver door module for illuminated entry and anti-theft systems.