HVAC Schematics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground, Serial Data & Front Blower Controls Schematic

GM1697873

Courtesy of GENERAL MOTORS CORP.

Fig 2: Front Mode Controls Schematic

GM1697874

Courtesy of GENERAL MOTORS CORP.

Fig 3: Front Temperature Controls Schematic

GM1697875

Courtesy of GENERAL MOTORS CORP.

Fig 4: Front Temperature Sensors Schematic

GM1697877

Courtesy of GENERAL MOTORS CORP.

Fig 5: Rear Blower Controls Schematic

GM1697879

Courtesy of GENERAL MOTORS CORP.

Fig 6: Rear Mode & Temperature Controls Schematic

GM1697880

Courtesy of GENERAL MOTORS CORP.

Fig 7: Auxiliary Temperature Sensors Schematic

GM1697881

Courtesy of GENERAL MOTORS CORP.

Fig 8: A/C Compressor Controls Schematic

GM1697882

Courtesy of GENERAL MOTORS CORP.