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Home >> Buick >> 2006 >> Lucerne CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.6L - Introduction (2 Of 2) >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: Power, Ground, MIL & DLC Schematic
GM1680128Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors, 5-Volt Reference Bussing Schematic
GM1680130Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure, Temp & MAF/IAT Schematic
GM1680132Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors, HO2S Schematic
GM1680135Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors, APP & Throttle Body Assembly Schematic
GM1680137Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls Schematic - 1 Of 2
GM1680139Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls Schematic - 2 Of 2
GM1704060Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls Schematic
GM1680142Courtesy of GENERAL MOTORS CORP.
Fig 9: CKP, CMP & Knock Sensors Schematic
GM1680144Courtesy of GENERAL MOTORS CORP.
Fig 10: EVAP Controls Schematic
GM1680147Courtesy of GENERAL MOTORS CORP.
Fig 11: EGR & Secondary Air Injection (AIR) Schematic
GM1680150Courtesy of GENERAL MOTORS CORP.
Fig 12: Controlled/Monitored Subsystem References Schematic
GM1680153Courtesy of GENERAL MOTORS CORP.