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Home >> Buick >> 2008 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data, and MIL Schematic
GM1889471Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt and Low Reference Schematic
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Fig 3: Pressure and Temperature Sensors Schematic
GM1889478Courtesy of GENERAL MOTORS CORP.
Fig 4: MAF, VSS
GM1889482Courtesy of GENERAL MOTORS CORP.
Fig 5: Oxygen Sensors Schematic
GM1889484Courtesy of GENERAL MOTORS CORP.
Fig 6: Electronic Throttle Controls Schematic
GM1889486Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls Schematic
GM1889487Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Pump Controls Schematic
GM1889488Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Injectors Schematic
GM1889490Courtesy of GENERAL MOTORS CORP.
Fig 10: EVAP, EGR, and FTP Controls Schematic
GM1889492Courtesy of GENERAL MOTORS CORP.
Fig 11: AIR Control Schematics - NU6
GM1889493Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References Schematic
GM1889495Courtesy of GENERAL MOTORS CORP.
Fig 13: A/T Control References
GM1889498Courtesy of GENERAL MOTORS CORP.