Driver Controls and Modules

The Body Control Module (BCM) module processes the inputs and the controls. The ambient light sensor supplies the BCM with a signal for daytime conditions or for low light conditions.
^ The Body Control Module (BCM)
^ The delayed interior lamps relay
^ The headlamp automatic control ambient light sensor
^ The heater and A/C control
^ The Instrument Panel Cluster (IPC)
^ The interior lamps relay

Driver controls include the following components.
^ The dimmer switch
^ The front side door jamb switches
^ The headlamp switch
^ The interior lamp switch
^ The IP compartment lamp switch
^ The IP dimmer switch
^ The reading lamp switches
^ The rear compartment courtesy lamp switch
^ The rear side door jamb switch
^ The roof rail courtesy lamp switches