Exterior Lighting Module: Description and Operation
Lighting Control Module (LCM)
The LCM eliminates the electronic interference and heat associated with the thermoelectric devies used previously. The LCM is a microprocessor-based module that controls several vehicle subsystems. It responds to electrical input signals from various switches, sensors, and external modules.
LCM exterior lighting subsystem functions include:
- Headlamps with autolamps (if equipped)
- Turn signal lamps/hazard flasher lamps
- Cornering lamps
- Parking lamps
- Battery saver