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

SIR Components
Object Number: 691835 Size: LF
(1)Inflatable Restraint Front End Sensor
(2)Front End Lower Tie Bar
(3)Inflatable Restraint Steering Wheel Module Coil
(4)Inflatable Restraint I/P Module
(5)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(6)Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
(7)Inflatable Restraint Steering Wheel Module
(8)Steering Wheel
Figure 2:

Instrument Panel
Object Number: 1631556 Size: LF
(1)Turn Signal/Multifunction Switch
(2)Instrument Panel Cluster (IPC)
(3)HVAC Control Assembly
(4)Radio
(5)Auxiliary Power Outlet 2
(6)Traction Control Switch (JL4)
(7)Inflatable Restraint PASSENGER AIR BAG ON/OFF Indicator (Light Duty w/o YF7)
(8)High Idle Switch (UF3)
(9)Inflatable Restraint I/P Disable Switch (Heavy Duty)
(10)Cigar Lighter (DT4)/Auxiliary Power Outlet 1 (w/o DT4)
(11)Blower Motor Switch - Auxiliary (C36)
(12)Tow/Haul Switch
(13)Headlamp and Panel Dimmer Switch
Figure 3:

Driver Seat
Object Number: 1609204 Size: MF
(1)Seat Belt Buckle Driver - C1 (Light Duty)
(2)Seat Belt Buckle Driver - C2 (Light Duty)
(3)Seat Adjuster Switch - Driver (AG1)
(4)S304 (AG1)
(5)C307
(6)Seat Motors - Driver (AG1)
(7)Inflatable Restraint Seat Position Sensor (SPS) - Left (Light Duty)
(8)Seat Belt Buckle Connector - Driver (Heavy Duty)
Figure 4:

Passenger Seat
Object Number: 1609206 Size: MF
(1)Seat Adjuster Switch - Passenger (AG2)
(2)S317 (Light Duty w/AG2)
(3)C306
(4)Inflatable Restraint Passenger Presence System (PPS) Sensor (Light Duty w/o YF7)
(5)Inflatable Restraint Passenger Presence System (PPS) Module (Light Duty w/o YF7)
(6)Seat Belt Buckle Passenger - C2 (Light Duty)
(7)Seat Belt Buckle Passenger - C1 (Light Duty)
(8)Inflatable Restraint Seat Position Sensor (SPS) - Right (Light Duty)
(9)Seat Motors - Passenger (AG2)