Engine Controls Schematics

WARNING: This page is about a different car, the 2009 Saturn Outlook, 2009 GMC Acadia, 2009 Chevrolet Traverse, and 2009 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5-Volt 1 & Low Reference Bus Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: 5-Volt 2, 5-Volt 3 & Low Reference Busses Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - Pressure, Temperature & Throttle Controls Circuit Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors Circuit Schematic - Oxygen Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls Circuit Schematic - Bank 1 Ignition System

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls Circuit Schematic - Bank 2 Ignition System

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Controls Circuit Schematic - CKP/CMP/KS Sensors and CMP Actuator Solenoids

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Controls Circuit Schematic - Fuel Injectors

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Controls Circuit Schematic - Fuel Pump Flow Control

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Controls Circuit Schematic - EVAP Controls

Courtesy of GENERAL MOTORS CORP.

Fig 12: Subsystem References Circuit Schematic

Courtesy of GENERAL MOTORS CORP.