Engine Controls Schematics

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, Serial Data and MIL

GM1915321

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Data Sensors - 5-Volt and Low References - 1 of 2

GM1915325

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - 5-Volt and Low References - 2 of 2

GM1915328

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - Temperature and MAF

GM1915330

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors - Pressure

GM1915333

Courtesy of GENERAL MOTORS CORP.

Fig 6: EGR and Turbocharger Controls

GM1915336

Courtesy of GENERAL MOTORS CORP.

Fig 7: Pedal Position and Injector Timing

GM1915340

Courtesy of GENERAL MOTORS CORP.

Fig 8: Engine Data Sensors - Glow Plug Controls

GM1915343

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Controls - Fuel Pump, Temperature and Pressure Controls

GM1915345

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Controls - Fuel Injectors

GM1915348

Courtesy of GENERAL MOTORS CORP.

Fig 11: Controlled/Monitored Subsystem References

GM1915350

Courtesy of GENERAL MOTORS CORP.