GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Cobalt
🢒
Vehicle Control Systems
🢒
Vehicle DTC Information
🢒 Body Control System Schematics
Figure
1:
Power, Ground, Data Link and Engine References
Master Electrical Component List
Body Control System Description and Operation
Control Module References
RUN/CRANK, RAP HVAC Relays, BCM 3, POWER WINDOWS, and SUNROOF Fuses
Ignition Switch, BCM2 Fuse, IGN SW Fuse, STOP LPS Fuse, AUDIO AMPLIFIER Fuse, CLUSTER Fuse, HVAC/PK3 Fuse
DLC High Speed, Serial Data, Class 2
DLC Power, Ground, and Low Speed GMLAN
Ignition Switch, BCM2 Fuse, IGN SW Fuse, STOP LPS Fuse, AUDIO AMPLIFIER Fuse, CLUSTER Fuse, HVAC/PK3 Fuse
RDO Fuse, DR LCK Fuse, INT LIGHTS Fuse, PWR WNDW Fuse, S ROOF Fuse, ECM/TCM Fuse, SDM Fuse, RAP Relay, INTERIOR LAMPS PCB Relay, Door Lock PCB Relays
Ignition Switch, BCM2 Fuse, IGN SW Fuse, STOP LPS Fuse, AUDIO AMPLIFIER Fuse, CLUSTER Fuse, HVAC/PK3 Fuse
Charging
Power, Ground, and Illumination MIL
Starting
G109, G203, and G306
G401 - 2 of 2
Figure
2:
RUNCRANK, RAP, and HVAC Relays, BCM 3, PWR WINDOWS, and SUNROOF Fuses
Master Electrical Component List
Body Control System Description and Operation
Control Module References
ABS, Brake Warning, Cruise Control, Door Lock/Indicator, Engine Controls and Engine Cooling References
Power, Ground, Data Link and Engine References
CD and MP3 w/Amplifier - 2 of 2
Compressor Controls
Power, Ground and Blower Motor Controls
RDO Fuse, DR LCK Fuse, INT LIGHTS Fuse, PWR WNDW Fuse, S ROOF Fuse, ECM/TCM Fuse, SDM Fuse, RAP Relay, INTERIOR LAMPS PCB Relay, Door Lock PCB Relays
RUN/CRANK Relay, HVAC Relay, I/P IGN Fuse, BCM3 Fuse, WIPER Fuse, RESTRAINTS Fuse, EPS Fuse
Power Windows - Sedan
Power Sunroof
Shift LocK Controls
RUN/CRANK Relay, HVAC Relay, I/P IGN Fuse, BCM3 Fuse, WIPER Fuse, RESTRAINTS Fuse, EPS Fuse
Figure
3:
ABS, Brake Warning, Cruise Control, Door Lock/Indicator, Engine Controls and Engine Cooling References
Master Electrical Component List
Engine Control Module Description
Control Module References
Lighting System References
RUN/CRANK, RAP HVAC Relays, BCM 3, POWER WINDOWS, and SUNROOF Fuses
G100
TCM Power, Ground, and PNP Switch
Power, Ground, MIL and DLC
G301 - 1 of 2
Ambient Air Temperature Sensor, EOP Sensor, Fuel Level Sensor, and Indicators
Headlights/Daytime Running Lights (DRL)
Brake Warning Schematic
Power, Ground and Blower Motor Controls
Power, Ground, Serial Data, and Switches
Power Steering
Door Lock/Indicators
Door Lock/Indicators
Interior Lights Inputs
Figure
4:
Body Rear End, Defogger, Headlights/DRL, Horns and Wiper/Washer References
Master Electrical Component List
Engine Control Module Description
Control Module References
Lighting System References
Vehicle Theft Deterrent
Radio w/o U2K
Keyless Entyry
Rear Window Defogger
Horns Schematics
Wiper/Washer System Schematic
Body Rear End
Body Rear End
Headlights/Daytime Running Lights (DRL)
Figure
5:
Lighting System References
Master Electrical Component List
Engine Control Module Description
Control Module References
Body Rear End, Defogger, Headlights/DRL, Horns and Wiper/Washer References
ABS, Brake Warning, Cruise Control, Door Lock/Indicator, Engine Controls and Engine Cooling References
Fog Lights
Inputs
Hazards, Turn Signals
Dimmer Switch Inputs
Interior Lights Outputs
Dimmer Switch Inputs
IPC, HVAC Control Assembly, and Heated Seats
A/T Shift Lock Control Assembly, Mirror and Doors
Headlights/Daytime Running Lights (DRL)
Hazards, Turn Signals
Stop Lamps