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Home >> Cadillac >> 2008 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L (LH2) - Introduction >> Schematic and Routing Diagrams >> Engine Controls Schematics
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Engine Controls Schematics

Fig 1: ECM Power, Ground, Serial Data, and MIL Schematic
GM1905841Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference 1 of 2 Schematic
GM1905847Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - 5-Volt and Low Reference 2 of 2 Schematic
GM1905998Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Pressure, Temperature, MAF, VSS Schematic
GM1905850Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Oxygen Sensors Schematic
GM1906616Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Data Sensors - Electronic Throttle Controls Schematic
GM1905858Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition System Bank 1 Schematic
GM1906617Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Ignition System Bank 2 Schematic
GM1905863Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls - CMP Sensors and Solenoids Schematic
GM1905866Courtesy of GENERAL MOTORS CORP.
Fig 10: Crankshaft Position (CKP) Sensor and Knock Sensors Schematic
GM1905868Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - Injectors and Pump Schematic
GM1905872Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor Schematic
GM1905875Courtesy of GENERAL MOTORS CORP.
Fig 13: Fuel Controls - Controlled/Monitored Subsystem References Schematic
GM1905880Courtesy of GENERAL MOTORS CORP.