GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Captiva 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 SIR Schematics
Figure 1:

SDM Power, Ground, Indicators, Seatbelt Switches, Inflator Modules
Object Number: 1821553 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
Seatbelt Pretensioners, Inflator Modules, Sensors
SIR Schematic Icons
F3, 5, 28, 32, 34 Fuses, Front Washer Pump Relay
EF7, F6, 8, 9, 13, 17, 20, 25, 27, 29 Fuses, Run/Crank, Outside Rearview Mirror, Liftgate Glass Relays
Ground Distribution G201
Figure 2:

Seatbelt Pretensioners, Inflator Modules, Sensors
Object Number: 1821554 Size: FS
Master Electrical Component List
SIR System Description and Operation
Control Module References
SDM Power, Ground, Indicators, Seatbelt Switches, Inflator Modules
SIR Schematic Icons