GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2002
🢒
Park Avenue
🢒
Body and Accessories
🢒
Cellular Communication
🢒 OnStar Schematics
Figure
1:
Power and Ground
Master Electrical Component List
OnStar Description and Operation
VIU Output Signals
Rear Fuse Block- RDO and CD/PH Fuses
Rear Fuse Block- RDO and CD/PH Fuses
Class 2 Serial Data Line
G202 (1 of 4)
G202 (3 of 4)
Figure
2:
Keypad and Mic Signals
Master Electrical Component List
OnStar Description and Operation
VIU and VCU Signals
Power and Ground
Automatic Day-Night Mirrors Schematics
G400 (1 of 2)
G400 (1 of 2)
Figure
3:
VIU Output Signals
Master Electrical Component List
OnStar Description and Operation
Keypad and Mic Signals
Keypad and Mic Signals
Amplifier and Remote CD Changer Power and Grounds
Amplifier and Remote CD Changer Power and Grounds
Horns Schematics
Power, Ground and Serial Data Lines
Low Beam Headlamps
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Cellular Communication Schematic Icons
Figure
4:
VIU and VCU Signals
Master Electrical Component List
OnStar Description and Operation
VIU Output Signals
Cellular Communication Schematic Icons