GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Power, Ground, and Serial Data


Object Number: 883710  Size: FS
Master Electrical Component List
SIR System Description and Operation
Front End Sensors
SIR Caution
LH HID, RH HID, PCM B, CRANK, HORN, SIR
Passenger Presence Schematics - 1 of 3
LH HID, RH HID, PCM B, CRANK, HORN, SIR
LH HID, RH HID, PCM B, CRANK, HORN, SIR
SP206
G304, G305
Figure 2:

Front End Sensors


Object Number: 883712  Size: FS
Master Electrical Component List
SIR System Description and Operation
Driver Air Bag
Power, Ground, and Serial Data
SIR Caution
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 3:

Driver Air Bag


Object Number: 883713  Size: FS
Master Electrical Component List
SIR System Description and Operation
Passenger Air Bag
Front End Sensors
SIR Caution
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 4:

Passenger Air Bag


Object Number: 883714  Size: FS
Master Electrical Component List
SIR System Description and Operation
Seat Position Switches
Driver Air Bag
SIR Caution
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 5:

Seat Position Switches


Object Number: 883716  Size: FS
Master Electrical Component List
SIR System Description and Operation
Passenger Presence Schematics - 1 of 3
Passenger Air Bag
SIR Caution
Seat Belt Schematics
Figure 6:

Passenger Presence Schematics - 1 of 3


Object Number: 883717  Size: FS
Master Electrical Component List
SIR System Description and Operation
Passenger Presence Schematics - 2 of 3
Seat Position Switches
SIR Caution
Power, Ground, and Serial Data
Seat Belt Schematics
G200-2 of 3
G200-1 of 3
G200-1 of 3
Figure 7:

Passenger Presence Schematics - 2 of 3


Object Number: 883719  Size: FS
Master Electrical Component List
SIR System Description and Operation
Passenger Presence Schematics - 3 of 3
Passenger Presence Schematics - 1 of 3
SIR Caution
LH HID, RH HID, PCM B, CRANK, HORN, SIR
LH HID, RH HID, PCM B, CRANK, HORN, SIR
Power, Outside Air Temp, and Light Sensors
G304, G305
Figure 8:

Passenger Presence Schematics - 3 of 3


Object Number: 883720  Size: FS
Master Electrical Component List
SIR System Description and Operation
Passenger Presence Schematics - 2 of 3
SIR Caution