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Home >> Buick >> 2008 >> Lucerne CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics

Engine Controls Schematics

Fig 1: Power, Ground, MIL and DLC
GM1886460Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt Reference Bussing
GM1886462Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temp and MAF/IAT
GM1886466Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - HO2S
GM1886469Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - APP and Throttle Body Assembly
GM1886474Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - 1 of 2
GM1886484Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - 2 of 2
GM1886486Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls
GM1886488Courtesy of GENERAL MOTORS CORP.
Fig 9: CKP, CMP, Knock Sensors
GM1886490Courtesy of GENERAL MOTORS CORP.
Fig 10: EVAP Controls, FTP Sensor
GM1886492Courtesy of GENERAL MOTORS CORP.
Fig 11: EGR, Secondary Air Injection (AIR)
GM1886494Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References
GM1886496Courtesy of GENERAL MOTORS CORP.