Engine Controls Schematics

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. 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 & Low Reference

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors Schematic - Pressure & Temperature

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 Controls

Courtesy of GENERAL MOTORS CORP.

Fig 6: Ignition Controls Schematic - Ignition System Coils - 1, 3, 5 & 7

Courtesy of GENERAL MOTORS CORP.

Fig 7: Ignition Controls Schematic - Ignition System Coils - 2, 4, 6 & 8

Courtesy of GENERAL MOTORS CORP.

Fig 8: Ignition Controls Schematic - Sensors & Active Fuel Management (AFM) Controls

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Pump Flow Control Module Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Controls Schematic - Fuel Injectors

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Controls Schematic - EVAP Controls

Courtesy of GENERAL MOTORS CORP.

Fig 12: Controlled/Monitored Subsystem References Schematic

Courtesy of GENERAL MOTORS CORP.