WARNING: This page is about a different car, the 2010 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground, MIL, Serial Data
Courtesy of GENERAL MOTORS CORP.
Fig 2: Temperature and Pressure Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 3: Accelerator Pedal Position (APP) Sensor, Electronic Throttle Control (ETC)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Heated Oxygen Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 5: Ignition Controls, Camshaft Position (CMP) Actuators
Courtesy of GENERAL MOTORS CORP.
Fig 6: Knock Sensor (KS), Camshaft Position (CMP) Sensors, Crankshaft Position (CKP) Sensors