WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground, Indicators, Pretensioners, Front Modules
Courtesy of GENERAL MOTORS CORP.
Fig 2: Front and Side Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 3: Passenger Presence System (AL0)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Passenger Presence and Infant Only System (ASA)