HVAC Schematics (Blower, Recirculation Actuator)

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power, Ground, Serial Data, Blower Motor, and Coolant Bypass Valve

Courtesy of GENERAL MOTORS CORP.

Fig 2: A/C Compressor Control and Pressure Sensors

Courtesy of GENERAL MOTORS CORP.

Fig 3: Actuators

Courtesy of GENERAL MOTORS CORP.

Fig 4: Rear Mode Controls - Body Type VIN 3

Courtesy of GENERAL MOTORS CORP.

Fig 5: Rear HVAC - Body Type VIN 6

Courtesy of GENERAL MOTORS CORP.