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Home >> Chevrolet >> 2008 >> Impala Police >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.9L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Engine Controls Schematics

Fig 1: ECM Power, Ground, MIL, and Serial Data Schematic
GM1888272Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt and Low Reference Bussing Schematic
GM1888274Courtesy of GENERAL MOTORS CORP.
Fig 3: MAF/IAT, MAP, and ECT Sensors Schematic
GM1888275Courtesy of GENERAL MOTORS CORP.
Fig 4: Heated Oxygen Sensors Schematic
GM1888276Courtesy of GENERAL MOTORS CORP.
Fig 5: Electronic Throttle Controls Schematic
GM1888278Courtesy of GENERAL MOTORS CORP.
Fig 6: Fuel Injectors and Fuel Pump Controls Schematic
GM1888281Courtesy of GENERAL MOTORS CORP.
Fig 7: EVAP Solenoids, and FTP Sensor Schematic
GM1888284Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Control Module Schematic
GM1888287Courtesy of GENERAL MOTORS CORP.
Fig 9: Camshaft, Crankshaft, Knock Sensors, and Camshaft Position Actuator Solenoid Schematic
GM1888289Courtesy of GENERAL MOTORS CORP.
Fig 10: Valve Lifter Oil Manifold (VLOM) Assembly, Brake Booster Vacuum Sensor, and Barometric Pressure (BARO) Sensor
GM1888294Courtesy of GENERAL MOTORS CORP.
Fig 11: Controlled/Monitored Subsystem References Schematic
GM1888301Courtesy of GENERAL MOTORS CORP.