LEMON Manuals
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Section 2 (Engine Controls And Fuel - 4.4L - Introduction, Specifications & Repair Instructions)
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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: Module Power, Ground, Serial Data & MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: 5 Volt 1 & Low References
Courtesy of GENERAL MOTORS CORP.
Fig 3: 5 Volt 2 & Low References
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Pressure, Temperature & Throttle Controls
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - HO2S
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - Ignition System Odd
Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition Controls - Ignition System Even
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Controls - Camshaft Sensors/Actuators
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ignition Controls - Crankshaft/Knock Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls - Fuel Injectors & Fuel Pump Controls
Courtesy of GENERAL MOTORS CORP.
Fig 11: Fuel Controls - EVAP Controls & Manifold Tuning
Courtesy of GENERAL MOTORS CORP.
Fig 12: Supercharger Sensors, Bypass Valve & Coolant Pump
Courtesy of GENERAL MOTORS CORP.
Fig 13: Monitored/Controlled Subsystem References
Courtesy of GENERAL MOTORS CORP.