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Home >> Buick >> 2009 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction >> Schematic and Routing Diagrams >> Engine Controls Schematics

Engine Controls Schematics

Fig 1: Power, Ground, MIL and DLC
GM2081332Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5V Reference Bussing
GM2081334Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temp and MAF/IAT
GM2081339Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - HO2S
GM2081339Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - APP and Throttle Body Assembly
GM2081349Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls 1 of 2
GM2081352Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls 2 of 2
GM2081355Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls
GM2081357Courtesy of GENERAL MOTORS CORP.
Fig 9: CKP, CMP, Knock Sensors
GM2081359Courtesy of GENERAL MOTORS CORP.
Fig 10: EVAP Controls, FTP Sensor
GM2081361Courtesy of GENERAL MOTORS CORP.
Fig 11: EGR, Secondary Air Injection (AIR)
GM2081362Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled and Monitored Subsystem References
GM2081364Courtesy of GENERAL MOTORS CORP.