Body Control Module

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The various body control module (BCM) input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. The BCM functions include the following:

A/C compressor request-Refer to Content Theft Deterrent (CTD) Description and Operation for the manual system.
A/C cooling fan-Refer to Air Delivery Description and Operation for the manual system.
Battery rundown protection (inadvertent power)-Refer to Interior Lighting Systems Description and Operation .
Bulb check-Refer to Instrument Cluster Description and Operation .
Chimes-Refer to Indicator/Warning Message Description and Operation .
- Check gauges
- Door ajar warning
- Headlamps ON
- Key-in-ignition
- Oil reset
- Park brake warning
- Seat belt not fastened
- Turn signal ON
Door lock interface-Refer to Power Door Locks Description and Operation .
Electronic power steering (EPS)-Refer to Power Steering System Description and Operation (Turbo) or Power Steering System Description and Operation (Non-Turbo) .
Engine coolant level sensing-Refer to Cooling System Description and Operation .
Exterior and interior lighting control-Refer to Exterior Lighting Systems Description and Operation .
- Automatic lighting control
- Daytime running lamps (DRL)
- Fog lamps
- Park brake lights
- Turn hazard lamps
Gage control-Refer to Instrument Cluster Description and Operation .
Horn interface-Refer to Horns System Description and Operation .
Instrument cluster indicator control-Refer to Instrument Cluster Description and Operation .
Interior lighting-Refer to Interior Lighting Systems Description and Operation .
Key-in-ignition sensing-Refer to Indicator/Warning Message Description and Operation .
Parking brake state sensing-Refer to Brake Warning System Description and Operation .
Retained accessory power (RAP)-Refer to Retained Accessory Power Description and Operation .
Rear compartment interface-Refer to Power Door Locks Description and Operation .
Rear defogger-Refer to Rear Window Defogger Description and Operation .
Remote function control-Refer to Keyless Entry System Description and Operation (with Accessory 2 Way Remote) or Keyless Entry System Description and Operation (without Accessory 2 Way Remote) .
Seat belt use sensing-Refer to Seat Belt System Description and Operation .
Content theft deterrent-Refer to Content Theft Deterrent (CTD) Description and Operation .
Vehicle theft deterrent-Refer to Content Theft Deterrent (CTD) Description and Operation .
Washer solvent level sensing-Refer to Wiper/Washer System Description and Operation (Front) or Wiper/Washer System Description and Operation (Rear) .
Wiper/washer-Refer to Wiper/Washer System Description and Operation (Front) or Wiper/Washer System Description and Operation (Rear) .