GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2005
🢒
Century
🢒
Vehicle Control Systems
🢒
Vehicle DTC Information
🢒 Body Control System Schematics
Figure
1:
Power, Ground, and DLC
Master Electrical Component List
Body Control System Description and Operation
References 1 of 2
Fuse Block - Underhood IGN 2 Fuse
Fuse Block - Underhood IGN 1 Fuse
Fuse Block - Underhood BAT 2 Fuse, Fuse Block - I/P HI/BLWR, HAZRD, STOP LAMPS, DR/LCK, and PWR/MIR Fuses
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
Fuse Block - I/P CRNK SIG, BCM, CLSTR, IGN0: CLSTR, PCM, BCM, ABS, and BTSI Fuses
Fuse Block - I/P TRN/SIG, AIRBAG, CLSTR, and PCM, BCM, U/H Fuses, Fuse Block-Underhood CRANK and IGN MAIN Relays
Fuse Block - Underhood BAT 1 Fuse, Fuse Block - I/P RADIO, HVAC, RFA, CLSTR ALDL, BCM PWR, ACCY PWR BUS, RADIO PREM SOUND, and LTR Fuses
Fuse Block - Underhood BAT 2 Fuse, Fuse Block - I/P HI/BLWR, HAZRD, STOP LAMPS, DR/LCK, and PWR/MIR Fuses
Data Link Connector (DLC) Schematics
Keyless Entry Schematics
G201
G203, Page 1 of 2
Figure
2:
References 1 of 2
Master Electrical Component List
Body Control System Description and Operation
References 2 of 2
Power, Ground, and DLC
Retained Accessory Power (RAP) Schematics
Seat Belt Schematics
Horns Schematics
Body Rear End Schematics
Audible Warnings Schematics
Theft Deterrent System Schematics
Automatic Transmission shift Lock Control Schematics
Actuators
Switches
Lamp Controls
Tire Pressure Monitoring Systems Schematics
Figure
3:
References 2 of 2
Master Electrical Component List
Body Control System Description and Operation
References 1 of 2
Daytime Running Lamps (DRL)
Brake Warning System Schematics
Front Park Lamps
Daytime Running Lamps (DRL)
Back Up Lights
Lamp Controls
Body Rear End Schematics
I/P Courtesy and Compartment Lamps
DRL, Cornering and Front Turn Lamps