Engine Controls Schematics

WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, MIL, Communication Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5-Volt and Low Reference Bussing Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - Pressure, Temperature Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - MAF/IAT, CKP, KS, CMP, VSS Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors - HO2S Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 6: Engine Data Sensors - APP, Throttle Body Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 8: Fuel Delivery Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 9: Engine Data Sensors - EVAP, Fuel Tank Pressure (FTP) Sensor Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 10: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.