GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Envoy - 2WD
🢒
Accessories
🢒
Entertainment
🢒 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
B+ Bus - Rear Fuse Block
ACCY/RUN and RUN/START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
COILS, AIR, EAP, TBC 1, PCM B, LOW HDLP-RT, LOW HDLP-LT, HI HDLP-LT, and HI HDLP-RT Fuses
G302 - 1 of 2, G303, and G304
G302 - 1 of 2, G303, and G304
04 S/T Utility Brake Warning System Schematics
Except XUV
Headlamp Washer - CE4
Steering Wheel Controls
Steering Wheel Controls
Headlamp Washer - CE4
04 S/T Utility Horns Schematics
04 S/T Utility 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
Intrusion and Inclination Sensor Signals
Midgate - XUV Only
Rear Wiper/Washer Controls - CD6
Rear Wiper/Washer Controls - CD6
Rear Doors
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
Headlamp Switch
Headlamps
04 S/T Utility Fog Lights Schematics
Courtesy Lamp Supply - 2 of 2
I/P Dimming Supply - 1 of 2
Intrusion and Inclination Sensor Signals
Headlamp Switch
Park Lamp Relay
Backup Lamps
Interior Lamps Controls
04 S/T Utility 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/Sunload Sensors
Ambient Light/Sunload Sensors
Headlamps
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, and SP205
Theft Deterrent Control Module and Alarm
Intrusion and Inclination Sensor Signals
04 S/T Utility Theft Deterrent System Schematics