GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
TrailBlazer - 4WD
🢒
Vehicle Control Systems
🢒
Computer/Integrating Systems
🢒 Body Control System Schematics
Figure
1:
Power and Ground
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Controlled/Monitored Subsystem References - 1 of 3
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse
B+ Bus - Rear Fuse Block
Ignition Switch - ACCY/RUN and RUN/START Bus Bars, IGN B Fuse
FRT WPR, IGN 0, RAIN, TBC ACC, TBC IG, and TCM Fuses
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars, IGN A and CRANK Fuses
AIR, COILS, EAP, ECM, HDM, HI HDLP-LT, HI HDLP-RT, LOW HDLP-RT, LOW HDLP-LT, PCMB, and TCB1 Fuses
G302 - 2 of 2
G302 - 1 of 2, G303, and G304
Brake Warning
Retained Accessory Power
Headlamp Washer (CE4)
Steering Wheel Controls
Headlamp Washer (CE4)
Horns
Audible Warning
Figure
2:
Controlled/Monitored Subsystem References - 1 of 3
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Controlled/Monitored Subsystem References - 2 of 3
Power and Ground
Intrusion and Indication Sensor Signals
Midgate - XUV
Rear Wiper/Washer Controls (CD6)
Rear Doors
Power Windows - Left
Power Windows - Right
Figure
3:
Controlled/Monitored Subsystem References - 2 of 3
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Controlled/Monitored Subsystem References - 3 of 3
Controlled/Monitored Subsystem References - 1 of 3
Headlamp Switch
Headlamps
Fog Lamps
Headlamp Switch
I/P Dimming Supply - 1 of 2
Intrusion and Indication Sensor Signals
Headlamp Switch
Park Lamp Relay
Backup Lamps
Interior Lamps Controls
Fog Lamps
Headlamp Switch
Figure
4:
Controlled/Monitored Subsystem References - 3 of 3
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Controlled/Monitored Subsystem References - 2 of 3
Ambient Light/Sunload Sensor
Headlamps
Ambient Light/Sunload Sensor
Interior Lamps Controls
Courtesy Lamp Supply - 1 of 2
Outside Moisture Sensor and Front Wiper/Washer Motor
Door Switch Inputs
Power, Ground, Data Link Connector
Power, Ground, Data Link Connector
Theft Deterrent Control Module and Alarm
Intrusion and Indication Sensor Signals
Theft Deterrent