GM Service Manual Online
For 1990-2009 cars only

SIR Schematics Standard Air Bags

Figure 1:

Power, Grounds and Side Impact Sensors


Object Number: 618208  Size: FS
Master Electrical Component List
SIR System Description and Operation
Inflator Modules
IGN-1, VENT SOL, SIR Fuses and IGN 1 Relay (Fuse Block-Rear)
Seat Belt Schematics
Serial Data Class 2
Figure 2:

Inflator Modules


Object Number: 709128  Size: FS
Master Electrical Component List
SIR System Description and Operation
Power, Grounds and Side Impact Sensors

SIR Schematics Dual Stage Air Bags

Figure 1:

Power, Ground and Sensors


Object Number: 709139  Size: FS
Master Electrical Component List
SIR System Description and Operation
Module Controls
IGN-1, VENT SOL, SIR Fuses and IGN 1 Relay (Fuse Block-Rear)
Serial Data Class 2
Seat Belt Schematics
SIR Handling Caution
Figure 2:

Module Controls


Object Number: 709143  Size: FS
Master Electrical Component List
SIR System Description and Operation
Power, Ground and Sensors
SIR Handling Caution
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