Engine Controls Schematics

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: ECM Power, Ground, Serial Data, and MIL Schematics

Courtesy of GENERAL MOTORS CORP.

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

Courtesy of GENERAL MOTORS CORP.

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

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - Oxygen Sensors Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors - Electronic Throttle Controls Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls - Ignition System Bank 1 Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls - Ignition System Bank 2 Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Controls - CMP Sensors and Solenoids Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 9: Crankshaft Position (CKP) Sensor and Knock Sensors Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Controls - Injectors and Pump Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Controls - EVAP and Fuel Tank Pressure (FTP) Sensor Schematics

Courtesy of GENERAL MOTORS CORP.

Fig 12: Controlled/Monitored Subsystem References Schematics

Courtesy of GENERAL MOTORS CORP.