GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
TrailBlazer - 4WD
🢒
Safety and Security
🢒
Remote Functions
🢒 Remote Function Schematics
Figure
1:
Keyless Entry
Master Electrical Component List
Keyless Entry System Description and Operation
Control Module References
Garage Door Opener - UG1
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
B+ Bus - Rear Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
Ignition Switch - ACCY/RUN/START, RUN, and START Bus Bars, IGN A and CRNK Fuses
`AIR PUMP, EAP, ECM, HDM, HI HEADLAMP - LT, HI HEADLAMP - RT, IGN COILS, LO HEADLAMP - LT, LO HEADLAMP - RT, PCM B AND TBC I Fuses
G302 - 2 of 2
G302 - 1 of 2, G303, and G304
Rear Doors
SP306
SP205
Figure
2:
Garage Door Opener
Master Electrical Component List
Garage Door Opener Description and Operation
Control Module References
Keyless Entry
B+ Bus - Rear Fuse Block
HVAC B, LGM/DSM, OH BATT/ONSTAR, and RADIO Fuses
HVAC B, LGM/DSM, OH BATT/ONSTAR, and RADIO Fuses
G302 - 1 of 2, G303, and G304