HVAC 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 Front Blower Control

Courtesy of GENERAL MOTORS CORP.

Fig 2: Front Mode Controls

Courtesy of GENERAL MOTORS CORP.

Fig 3: Front Temperature Controls

Courtesy of GENERAL MOTORS CORP.

Fig 4: Auxiliary Blower Controls

Courtesy of GENERAL MOTORS CORP.

Fig 5: Auxiliary Temperature Controls

Courtesy of GENERAL MOTORS CORP.

Fig 6: A/C Compressor Controls

Courtesy of GENERAL MOTORS CORP.