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

Front Modules and Sensors, Ground, Indicator and Power


Object Number: 1640327  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Roof Rail and Side Impact Modules and Sensors - AJ7/AY0
SIR Schematic Icons
Underhood Fuse Block RUN RLY, IBCM (RUN/CRANK), Body Control Module (BCM) AIRBAG (IGN) EPS and RUN/CRANK Fuses
Underhood Fuse Block IBCM 1, Body Control Module (BCM), AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses
Underhood Fuse Block RUN RLY, IBCM (RUN/CRANK), Body Control Module (BCM) AIRBAG (IGN) EPS and RUN/CRANK Fuses
Underhood Fuse Block IBCM 1, Body Control Module (BCM), AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses
SIR Schematic Icons
Low Speed Serial Data
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 2:

Roof Rail and Side Impact Modules and Sensors -- AJ7/AY0


Object Number: 1640328  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Seat Belt Pretensioner
Front Modules and Sensors, Ground, Indicator, and Power
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 3:

Seat Belt Pretensioners


Object Number: 1640329  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Passenger Presence System
Roof Rail and Side Impact Modules and Sensors - AJ7/AY0
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
SIR Schematic Icons
Figure 4:

Passenger Presence System


Object Number: 1613199  Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Seat Belt Pretensioner
SIR Schematic Icons
Underhood Fuse Block RUN RLY, IBCM (RUN/CRANK), Body Control Module (BCM) AIRBAG (IGN) EPS and RUN/CRANK Fuses
Underhood Fuse Block RUN RLY, IBCM (RUN/CRANK), Body Control Module (BCM) AIRBAG (IGN) EPS and RUN/CRANK Fuses
Underhood Fuse Block IBCM 1, Body Control Module (BCM), AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR and RADIO Fuses
G304 and G305
G203