HVAC Schematics

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data, and Blower Control Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Mode and Recirculation Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Temperature Controls and Sunload Signals Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: Temperature Sensors Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 5: Compressor Controls Schematic

Courtesy of GENERAL MOTORS CORP.