Engine Controls Schematics

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of GENERAL MOTORS CORP.

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

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors Schematic - Pressure, Temperature, Extended Brake Travel & VSS

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors Schematic - Oxygen Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors Schematic - Throttle Actuator Controls

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls & Camshaft Control Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 7: Fuel Controls Schematic - Fuel Pump Controls

Courtesy of GENERAL MOTORS CORP.

Fig 8: Fuel Controls Schematic - Fuel Injectors

Courtesy of GENERAL MOTORS CORP.

Fig 9: EVAP Controls & Manifold Tuning Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 10: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.