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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1560 (Climate Control System - General Information (Except Electric) (1 Of2)) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Component Description >> Ambient Air Temperature (AAT) Sensor

Ambient Air Temperature (AAT) Sensor

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

The Ambient Air Temperature (AAT) sensor is an input to the PCM. If the outside air temperature is below approximately 0°C (32°F), the PCM does not allow the A/C compressor clutch to engage.

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