Outside Air Temperature Sensor
WARNING: This page is about a different car, the 2003 Volkswagen EuroVan and 2002 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
Measures outside (ambient) temperature. Information provided by the outside temperature sensor is used to control temperature flap and blower motor speed. If ambient temperature sensor malfunctions, CCM will ignore sensor and substitute a default temperature value of 50°F (10°C).