GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2002
🢒
TrailBlazer - 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
Controlled/Monitored Subsystem References - 1 of 3
B+ Bus - Underhood Fuse Block
ACCY/RUN and RUN/START Bus Bars
IGN E, TBC IGN1, BACK UP, BTSI, and TRLR B/U Fuses
ACCY/RUN and RUN/START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
SUNROOF, AUX PWR 2, RR HVAC, AUX PWR 1, TBC 2, TBC 3, and TBC 4 Fuses
COILS, RIDE, ECAS, IPC/DIC, FLASH, TBC 1, and PCM B Fuses
G302 - 1 of 2, G303 and G304
G302 - 1 of 2, G303 and G304
Brake Warning System Schematics
Body Type VIN 3
Headlamp Washer
Steering Wheel Controls
Steering Wheel Controls
Headlamp Washer
Horns Schematic
02 S/T 360/370 Audible Warnings Schematics
Figure
2:
Controlled/Monitored Subsystem References - 1 of 3
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 2 of 3
Power and Ground
Rear Wiper/Washer
Rear Wiper/Washer
Rear
Left
Right
Figure
3:
Controlled/Monitored Subsystem References - 2 of 3
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 3 of 3
Controlled/Monitored Subsystem References - 1 of 3
Headlamps
Fog Lights Schematics
Courtesy Lamp Supply
I/P Dimming Supply - 1 of 2
Park Lamp Control, Turn Signal Inputs, and Hazard Switch
Courtesy Lamp Control, I/P Compartment, and Underhood Lamp
Fog Lights Schematics
Headlamp Switch
Figure
4:
Controlled/Monitored Subsystem References - 3 of 3
Master Electrical Component List
Body Control System Description and Operation
Controlled/Monitored Subsystem References - 2 of 3
Ambient Light/Solar Sensor
Ambient Light/Solar Sensor
Headlamps
Courtesy Lamp Control, I/P Compartment, and Underhood Lamp
Courtesy Lamp Supply
Wiper Motor, Washer Control, and Outside Moisture Sensor
Liftgate and Door Switches
DLC and SP205
Theft Deterrent System Schematics