Operation CHARM: Car repair manuals for everyone.
Home >> Buick >> 2000 >> Century V6-3.1L VIN J >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> System Operation >> Miscellaneous Functions

Miscellaneous Functions

^ BRAKE indicator lamp control: The BCM controls the state of the BRAKE indicator lamp based on the status of the parking brake switch by sending a message to the instrument cluster via the Class 2 serial data link.
^ Fog lamp enable control. The BCM controls fog lamp operation, based on the status of the ignition switch.
^ Day/night mode sensing: The BCM determines the ambient light operating mode. The BCM then communicates the information to the Instrument Cluster and Powertrain Control Module (PCM) via the Class 2 serial data link.
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