HVAC Schematics

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Data Communications and Blower Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 2: Control Module, Mode Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 3: Temperature Controls Schematic

Courtesy of GENERAL MOTORS CORP.

Fig 4: A/C Compressor Controls Schematic

Courtesy of GENERAL MOTORS CORP.