GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2001
🢒
Astro - 4WD
🢒
Body and Accessories
🢒
Body Control System
🢒 Body Control System Schematics
Figure
1:
Power and Ground
Master Electrical Component List
Body Control System Description and Operation
RAP, Door Locks, DRL
BATT and LIGHTING Fuse
CTSY Fuse 3, PK LPS Fuse 9, TBC Fuse 15, and PWR MIR Fuse 21
ING-A Fuse and Ignition Switch
GAUGES Fuse 4, AIR BAG Fuse 10, and TURN-B/U Fuse 16
ING-B Fuse and Ignition Switch
HTR-A/C Fuse 12, BRAKE Fuse 18, and CRUISE Fuse 6
Radio
G105 and G107
Class 2 Data
Figure
2:
RAP, Door Locks, DRL
Master Electrical Component List
Body Control System Description and Operation
Theft Deterrent, A/T, Audible Warnings, Brake Warning, Interior Lights
Power and Ground
RAP Fuse, Body Control Module
Door Lock Switches and Door Lock Relay
Headlamp and Panel Dimmer Switch, Ambient Light Sensor
DRL Relay and Diode D300
Headlamp and Panel Dimmer Switch, Ambient Light Sensor (VE1)
Composite Headlamps (VE1)
DRL Relay and Diode D300
Figure
3:
Theft Deterrent, A/T, Audible Warnings, Brake Warning, Interior Lights
Master Electrical Component List
Body Control System Description and Operation
Horns, Interior Lights, Exterior Lights, RKE, Instrument Cluster
RAP, Door Locks, DRL
Radio
Theft Deterrent System Schematics
Hydraulic Brake Warning Schematics (1 of 2)
Power, Seat Belt Switch, Key-In Warning Switch, and Door Jamb Switch
Tow/Haul Switch and VSS Inputs
Figure
4:
Horns, Interior Lights, Exterior Lights, RKE, Instrument Cluster
Master Electrical Component List
Body Control System Description and Operation
Engine Controls, Exterior Lights, Interior Lights, Door Locks, Body Rear End, Audible Warnings
Theft Deterrent, A/T, Audible Warnings, Brake Warning, Interior Lights
ILLUM, TRANS, and GAUGES Fuse, and Grounds (2 of 2)
Park Lamp Relay
Turn Indicators, Front Side Marker Lamps, Park/Turn Signal Lamps
Keyless Entry Schematics
Horns Schematics
Courtesy, Reading, Dome, and Stepwells Lamps
Turn Indicators, Front Side Marker Lamps, Park/Turn Signal Lamps
Turn Indicators, Aux T/Sig Lamps, Park/Turn Signal Lamps, Side Marker Lamps
Figure
5:
Engine Controls, Exterior Lights, Interior Lights, Door Locks, Body Rear End, Audible Warnings
Master Electrical Component List
Body Control System Description and Operation
Headlights DRL, Interior Lights
Horns, Interior Lights, Exterior Lights, RKE, Instrument Cluster
Transmission Range, Tow/Haul Switch Input Controls
Park Lamp Relay
Park Lamp Relay
Vanity Lamps, Inadvertent Power Relay
Keyless Entry Control
Liftgate Lock/Unlock Relay and Release Switch, Liftgate Release Motor
Power, Seat Belt Switch, Key-In Warning Switch, and Door Jamb Switch
Figure
6:
Headlights DRL, Interior Lights
Master Electrical Component List
Body Control System Description and Operation
Engine Controls, Exterior Lights, Interior Lights, Door Locks, Body Rear End, Audible Warnings
Courtesy, Reading, Dome, and Stepwells Lamps
Door Jamb Switches
Headlamp and Panel Dimmer Switch, Ambient Light Sensor
Courtesy, Reading, Dome, and Stepwells Lamps
Headlamp and Panel Dimmer Switch, Ambient Light Sensor (VE1)