Engine Controls Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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

GM2240730

Courtesy of GENERAL MOTORS CORP.

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

GM2240731

Courtesy of GENERAL MOTORS CORP.

Fig 3: Engine Data Sensors - Pressure and Temperature

GM2240732

Courtesy of GENERAL MOTORS CORP.

Fig 4: Engine Data Sensors - Oxygen Sensors

GM2240733

Courtesy of GENERAL MOTORS CORP.

Fig 5: Engine Data Sensors - Throttle Controls

GM2240734

Courtesy of GENERAL MOTORS CORP.

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

GM2240735

Courtesy of GENERAL MOTORS CORP.

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

GM2240736

Courtesy of GENERAL MOTORS CORP.

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

GM2240737

Courtesy of GENERAL MOTORS CORP.

Fig 9: Fuel Controls - Fuel Pump Controls (L96)

GM2240738

Courtesy of GENERAL MOTORS CORP.

Fig 10: Fuel Pump Flow Control Module (except L96)

GM2240739

Courtesy of GENERAL MOTORS CORP.

Fig 11: Fuel Controls - Fuel Injectors

GM2240740

Courtesy of GENERAL MOTORS CORP.

Fig 12: Fuel Controls - EVAP Controls

GM2240742

Courtesy of GENERAL MOTORS CORP.

Fig 13: Controlled/Monitored Subsystem References

GM2240743

Courtesy of GENERAL MOTORS CORP.