SIR Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, and Serial Data and Front Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 2: Steering Wheel and I/P Modules

Courtesy of GENERAL MOTORS CORP.

Fig 3: Side Impact Modules and Sensors (ASF)

Courtesy of GENERAL MOTORS CORP.

Fig 4: Passenger Presence System - 1 of 2

Courtesy of GENERAL MOTORS CORP.

Fig 5: Passenger Presence System - 2 of 2

Courtesy of GENERAL MOTORS CORP.