LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2007 >> 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
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Engine Controls Schematics

Fig 1: Power, Ground, MIL and DLC
GM1791679Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors, 5-Volt Reference Bussing
GM1791729Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temp and MAF/IAT
GM1791793Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors, HO2S
GM1791822Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors, APP and TAC
GM1791825Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls, CKP, CMP, Knock Sensors
GM1791827Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls
GM1791830Courtesy of GENERAL MOTORS CORP.
Fig 8: EVAP Controls
GM1791832Courtesy of GENERAL MOTORS CORP.
Fig 9: EGR, Secondary Air Injection (AIR)
GM1791834Courtesy of GENERAL MOTORS CORP.
Fig 10: Controlled/Monitored Subsystem References
GM1791836Courtesy of GENERAL MOTORS CORP.
Fig 11: Automatic Transmission Controls References
GM1791839Courtesy of GENERAL MOTORS CORP.