GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2001
🢒
Regal
🢒
HVAC
🢒
HVAC Systems - Automatic
🢒 Body Control System Schematics
Figure
1:
BCM Power and Ground
Master Electrical Component List
Body Control System Description and Operation
BCM References, Page 1 of 2
IGN 2
IGN 1
Cluster, BCM, PCM, BTSI
DLC
RKE
IGN 1
Cluster, BCM, PCM, BTSI
PCM, BCM, Cluster, Turn, SDM
Batt 2
Batt 1 Fuse
Batt 1 Fuse
Batt 2
G201
G203, Page 1 of 2
Figure
2:
BCM References, Page 1 of 2
Master Electrical Component List
Body Control System Description and Operation
BCM References, Page 2 of 2
BCM Power and Ground
RAP
Seatbelt
Horns
Rear Release System
Indicators
Audible Warnings Inputs
Theft Deterrent
Tire Pressure Monitor
Actuators
Switches
Dome Lamp Control
Figure
3:
BCM References, Page 2 of 2
Master Electrical Component List
Body Control System Description and Operation
BCM References, Page 1 of 2
Headlamp Relay, Ambient Light Sensor, and Park Brake Switch
Brake Warning System
Front Park Lamps
Fog Lamp Relay
Headlamp Relay, Ambient Light Sensor, and Park Brake Switch
Back Up Lights - Regal
Dome Lamp Control
Compartment and IP Courtesy Lamps
Front Turn Lamps and Cornering Lamps