ION L4-2.2L VIN F (2004)
Body Control Module: Description and Operation
BCM Functions
BODY CONTROL MODULE
The various BCM input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. The BCM
functions include the following:
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A/C compressor request - Refer to Air Temperature Description and Operation in HVAC Systems-Manual.
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A/C cooling fan - Refer to Air Delivery Description and Operation in HVAC Systems-Manual.
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Battery rundown protection (Inadvertent Power) - Refer to Interior Lighting Systems Description and Operation in Lighting Systems.
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Brake fluid level sensing - Refer to Brake Warning System Description and Operation in Hydraulic Brakes.
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Bulb check - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
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Chimes - Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console.
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Check gages
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Door ajar warning
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Headlamps ON
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Key-in-ignition
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Oil reset
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Park brake warning
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Seat belt not fastened
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Turn signal ON
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Door lock interface - Refer to Power Door Locks Description and Operation in Doors.
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Electronic steering control (ESC) - Refer to Power Steering System Description and Operation in Power Steering System.
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Engine coolant level sensing - Refer to Cooling System Description and Operation in Cooling System.
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Exterior and interior lighting control - Refer to Exterior Lighting Systems Description and Operation in Lighting Systems.
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Automatic lighting control
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Daytime running lights (DRL)
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Fog lamps
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Park brake lights
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Turn hazard lamps
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Gage control - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
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Horn interface - Refer to Horns System Description and Operation in Horns.
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Instrument cluster indicator control - Refer to Instrument Panel Cluster (IPC) Description and Operation in Instrument Panel, Gages, and Console.
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Interior lighting - Refer to Interior Lighting Systems Description and Operation in Lighting Systems.
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Key-in-ignition sensing - Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console.
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Parking brake state sensing - Refer to Brake Warning System Description and Operation in Hydraulic Brakes.
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Retained Accessory Power (RAP) - Refer to Retained Accessory Power (RAP) Description and Operation in Accessory Delay Module.
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Rear compartment interface - Refer to Power Door Locks Description and Operation in Doors.
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Rear defogger - Refer to Rear Window Defogger Description and Operation in Heated Glass Element.
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Remote function control - Refer to Keyless Entry System Description and Operation in Keyless Entry.
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Seat belt use sensing - Refer to Seat Belt System Description and Operation in Seat Belts.
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Theft deterrent - Refer to Theft Systems Description and Operation in Theft Deterrent.
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Washer solvent level sensing - Refer to Wiper/Washer System Description and Operation in Wipers/Washer Systems.
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Wiper/Washer - Refer to Wiper/Washer System Description and Operation in Wipers/Washer Systems.