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Section 2 (Engine Control System & Fuel System - 3.8L - Introduction)
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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: Module Power, Ground, Serial Data, and MIL
Courtesy of GENERAL MOTORS CORP.
Fig 2: 5-Volt and Low Reference
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Pressure and Temperature
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Electronic Throttle Controls
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - HO2S
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ignition Controls - CKP, CMP, and Knock Sensors
Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Controls - Fuel Injectors and Fuel Pump Controls
Courtesy of GENERAL MOTORS CORP.
Fig 8: Fuel Controls - EVAP, EGR, and FTP Controls
Courtesy of GENERAL MOTORS CORP.
Fig 9: AIR Controls (NU6)
Courtesy of GENERAL MOTORS CORP.
Fig 10: Monitored/Controlled Subsystem References
Courtesy of GENERAL MOTORS CORP.
Fig 11: Automatic Transmission Monitored/Controlled Subsystem References
Courtesy of GENERAL MOTORS CORP.