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Home >> Chevrolet >> 2008 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.9L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics

Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data, and MIL
GM1921638Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference
GM1921640Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temperature, Extended Brake Travel, and VSS
GM1921642Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Oxygen Sensors
GM1921644Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Throttle Actuator Controls
GM1921646Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls and Camshaft Control
GM1921648Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls - Fuel Pump Controls
GM1921650Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls - Fuel Injectors
GM1921652Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Controls - EVAP Controls and Manifold Tuning
GM1921654Courtesy of GENERAL MOTORS CORP.
Fig 10: Controlled/Monitored Subsystem References
GM1921656Courtesy of GENERAL MOTORS CORP.