Driver Information
CIRCUIT CHARTCircuit Chart:
Circuit assignments for the Body Control Module (BCM) relating to driver information:
LOW BRAKE FLUID
Under low brake fluid conditions, the brake fluid switch closes. When closed, the brake fluid switch grounds circuit 33. The BCM responds by sending a serial data message to the instrument panel cluster (IPC) to turn On the brake telltale.
INSTRUMENT PANEL TELLTALES
Instrument Panel Telltales:
The table shows the telltale controlled by the BCM.
NOTE: The security telltale, brake telltale, and the service wrench telltale are also controlled by other controllers.
INSTRUMENT PANEL GAUGES
Instrument Panel Gauges:
The instrument panel gauges are controlled by the Body Control Module (BCM) via the serial data link to the Instrument Panel Cluster (IPC).
The table gives the information source for each gauge:
AUDIBLE WARNINGS
The audible warnings are contained within the BCM and are controlled by the BCM.
^ Key-In-Ignition - 150 chimes per minute
^ Headlamps On - 200 chimes per minute
^ Park Brake On While Moving - 200 chimes per minute
^ Seat Belt Not Fastened - 50 chimes per minute