Body Control System Schematics. Buick LaCrosse 2005

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2005 🢒 LaCrosse 🢒 Body 🢒 Wiring Systems 🢒 Body Control System Schematics

Figure 1:	Power, Ground, A/T Shift Lock Control, Audible Warnings, DLC, Engine Controls, RAP, Starting and Charging References Master Electrical Component List Body Control System Description and Operation Control Module References ABS, Body Rear End, Brake Warning System, Defogger, Driver Seat, Horns, Keyless Entry, Passenger Seat, Theft Deterrent and Wiper/Washer System References Fuse Block - Underhood BATT MAIN 1 Fuse, Fuse Block - I/P PK LAMPS, DISPLAYS, CHMSL/BKUP, INT LIGHT, RFA/MOD, RADIO/AMP, ONSTAR/ALDL, HVAC, and CANISTER Fuses and PK LP Relay Fuse Block - Underhood BATT MAIN 2 Fuse, Fuse Block - I/P HTD SEAT, PWR MIRS, TURN/HAZ, DR LK/TRUNK, PRKSW, and SUN ROOF Fuses, PWR SEAT and PWR WDO Circuit Breakers, and RAP Relay Fuse Block - Underhood B+ Bus Retained Accessory Power (RAP) Schematics LY7 Multifunction Alarm Module, Courtesy Switches Ignition Switch Module Power, Ground, Serial Data, and MIL Module Power, Ground, Serial Data, and MIL L26 LY7 Audible Warnings Schematics Starting - L26 Starting - LY7 Charging G201 G200 G301
Figure 2:	ABS, Body Rear End, Brake Warning System, Defogger, Driver Seat, Horns, Keyless Entry, Passenger Seat, Theft Deterrent and Wiper/Washer System References Master Electrical Component List Body Control System Description and Operation Control Module References Door/Lock Indicator, Fog Lights, Headlights/DRL, Interior Lights, OnStar and Rear Parking Assist References Power, Ground, A/T Shift Lock Control, Audible Warnings, DLC, Engine Controls, RAP, Starting and Charging References Content Theft Deterrent (CTD) System Vehicle Theft Deterrent (VTD) System Keyless Entry Schematics Body Rear End Schematics Horns Schematics Indicators, Stop Lamp, Traction Controls, and Serial Data Brake Warning System Schematics Defogger Schematics Heat Controls Heat Controls Wiper/Washer System Schematics
Figure 3:	Door/Lock Indicator, Fog Lights, Headlights/DRL, Interior Lights, OnStar and Rear Parking Assist References Master Electrical Component List Body Control System Description and Operation Control Module References Exterior Lights and Interior Lights References ABS, Body Rear End, Brake Warning System, Defogger, Driver Seat, Horns, Keyless Entry, Passenger Seat, Theft Deterrent and Wiper/Washer System References Ajar Indicators Switches Actuators Headlights/Daytime Running Lights (DRL) Schematics Power, Ground, Serial Data, Antennas, and Voice Recorder Fog Lights Schematics I/P, Console, and Driver Door Lighting Rear Parking Assist Schematics Exterior Lights and Interior Lights References
Figure 4:	Exterior Lights and Interior Lights References Master Electrical Component List Body Control System Description and Operation Control Module References Door/Lock Indicator, Fog Lights, Headlights/DRL, Interior Lights, OnStar and Rear Parking Assist References Park Lamps Turn Signal, Hazard, and Stop Lamps Inputs Turn Signal, Hazard, and Stop Lamps Outputs Shift and TCC Solenoid Valves, TFT Sensor, and Stop Lamp Switch (LY7) L26 Indicators, Stop Lamp, Traction Controls, and Serial Data L26 Turn Signal, Hazard, and Stop Lamps Inputs Door/Lock Indicator, Fog Lights, Headlights/DRL, Interior Lights, OnStar and Rear Parking Assist References Turn Signal, Hazard, and Stop Lamps Inputs Backup and License Lamps Lamp Controls Courtesy Lamps