LEMON Manuals
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2009
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STS Base, 4.6 A, AWD
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Different variant/trim
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Section 6 (Engine Controls And Fuel - 4.4L - Introduction)
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Schematic and Routing Diagrams
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Engine Controls Schematics
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Engine Controls Schematics
WARNING:
This page is about a different variant/trim than selected.
Fig 1: ECM Power, Ground, Serial Data, and MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt and Low Reference 1 of 2
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - 5-Volt and Low Reference 2 of 2
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Pressure, Temperature, MAF, VSS
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - Oxygen Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Data Sensors - Electronic Throttle Controls
Courtesy of GENERAL MOTORS CORP.
Fig 7: Engine Data Sensors - IAT 2, BARO, SCIAP
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Ignition System Bank 1
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls - Ignition System Bank 2
Courtesy of GENERAL MOTORS CORP.
Fig 10: Ignition Controls - CMP Sensors and Solenoids
Courtesy of GENERAL MOTORS CORP.
Fig 11: Crankshaft Position (CKP) Sensor and Knock Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Controls - Injectors and Pump
Courtesy of GENERAL MOTORS CORP.
Fig 13: Fuel Controls - EVAP, Fuel Tank Pressure (FTP) Sensor, Vacuum Bypass Valve
Courtesy of GENERAL MOTORS CORP.
Fig 14: Charge Air Cooler (CAC) Coolant Pump
Courtesy of GENERAL MOTORS CORP.
Fig 15: Controlled/Monitored Subsystem References
Courtesy of GENERAL MOTORS CORP.