Engine Controls Schematics

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, Serial Data, and MIL Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Data Sensors - 5-Volt and Low Reference Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - Pressure, Temperature, MAF, and VSS Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - Oxygen Sensors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors - Electronic Throttle Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls - Ignition System Coils 1, 3, 5, and 7 Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls - Ignition System Coils 2, 4, 6, and 8 Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Controls - Sensors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Pump Controls and Fuel Injectors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Controls - EVAP Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 11: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.