Mike's Workshop Manuals
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Section 1 (Engine Control System & Fuel System - 3.8L - Introduction (2 Of 2))
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Schematic and Routing Diagrams
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Engine Controls Schematics
Engine Controls Schematics
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Engine Controls Schematic (Module Power, Ground, Serial Data, and MIL)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Controls Schematic (5-Volt and Low Reference)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Controls Schematic (Pressure and Temperature Sensors)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Controls Schematic (MAF, VSS)
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Controls Schematic (Oxygen Sensors)
Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Controls Schematic (Electronic Throttle Controls)
Courtesy of GENERAL MOTORS CORP.
Fig 7: Engine Controls Schematic (Ignition Controls)
Courtesy of GENERAL MOTORS CORP.
Fig 8: Engine Controls Schematic (Fuel Pump Controls)
Courtesy of GENERAL MOTORS CORP.
Fig 9: Engine Controls Schematic (Fuel Injectors)
Courtesy of GENERAL MOTORS CORP.
Fig 10: Engine Controls Schematic (EVAP, EGR, and FTP Controls)
Courtesy of GENERAL MOTORS CORP.
Fig 11: Engine Controls Schematic (AIR Controls - NU3)
Courtesy of GENERAL MOTORS CORP.
Fig 12: Engine Controls Schematic (Controlled/Monitored Subsystem References)
Courtesy of GENERAL MOTORS CORP.
Fig 13: Engine Controls Schematic (A/T Control References)
Courtesy of GENERAL MOTORS CORP.