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Engine Controls Schematics

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 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
GM2094917Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference
GM2080331Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure and Temperature
GM2080333Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - HO2S
GM2080336Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Electronic Throttle Control
GM2080338Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition Coils 1, 3, 5, and 7
GM2080341Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition Coils 2, 4, 6, and 8
GM2080346Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Sensors
GM2080350Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Pump Controls
GM1954969Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - Fuel Pump and EVAP Controls
GM2080355Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - Fuel Injectors
GM2080358Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References
GM2080362Courtesy of GENERAL MOTORS CORP.