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

Engine Controls Schematics

Fig 1: Power, Ground, MIL and DLC
GM1886420Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt Reference Bussing
GM1886426Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temp and MAF/IAT
GM1886430Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - HO2S
GM1886433Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - APP and TAC
GM1886442Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - CKP, CMP, Knock Sensors
GM1886444Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls
GM1886446Courtesy of GENERAL MOTORS CORP.
Fig 8: EVAP Controls
GM1886448Courtesy of GENERAL MOTORS CORP.
Fig 9: EGR, Secondary Air Injection (AIR)
GM1886450Courtesy of GENERAL MOTORS CORP.
Fig 10: Controlled/Monitored Subsystem References
GM1886452Courtesy of GENERAL MOTORS CORP.
Fig 11: Automatic Transmission Controls References
GM1886455Courtesy of GENERAL MOTORS CORP.