HVAC Schematics

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Module Power, Ground and Data Communications

Courtesy of GENERAL MOTORS CORP.

Fig 2: Mode Controls

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Fig 3: Data Sensors

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Fig 4: Heater Pump Controls (HP5)

Courtesy of GENERAL MOTORS CORP.

Fig 5: Heater Pump Controls (HP7)

Courtesy of GENERAL MOTORS CORP.

Fig 6: Compressor Controls

Courtesy of GENERAL MOTORS CORP.