WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Serial Data, Traction Switch, and Instrument Panel
Courtesy of GENERAL MOTORS CORP.
Fig 2: Wheel Speed Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 3: Yaw Rate and Lateral Accelerometer Sensor (3.4L)
Courtesy of GENERAL MOTORS COMPANY
Fig 4: Yaw Rate and Lateral Accelerator Sensor, and Steering Angle Sensor (3.6L)