WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Module Power, Ground, Serial Data, and MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Electronic Throttle Controls, MAF, Pressure, and Temperature
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Oxygen Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Injection Timing Controls
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition System
Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls - Fuel Pump Controls
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Fig 8: Fuel Controls - Fuel Injectors
Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Controls - EVAP Controls
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Fig 10: Device Controls- K18
Courtesy of GENERAL MOTORS CORP.
Fig 11: Controlled/Monitored Subsystem and Transmission References