Engine Controls Schematics

Fig 1: Module, Power, Ground, MIL, and Serial Data (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 2: 5 Volt and Low Reference (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors-MAF and Engine Coolant Temperature Sensor (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 4: CMP Sensors and Solenoids, Knock Sensors, and Crankshaft Position Sensor (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors-Oxygen Sensors (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 6: Engine Data Sensors-Electronic Throttle Controls (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 7: Bank 1 Ignition Coils (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 8: Bank 2 Ignition Coils (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Pump and Injectors (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 10: Evaporative Emissions and Fuel Tank Pressure Sensor (LY7)

Courtesy of GENERAL MOTORS CORP.

Fig 11: Controlled/Monitored Systems (LY7)

Courtesy of GENERAL MOTORS CORP.