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Home >> Ford >> 2014 >> Fiesta ST >> Repair and Diagnosis >> External Pages >> Different car >> Section 233 (Climate Control System - General Information) >> Description And Operation >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description >> Control System Logic >> Compressor Clutch

Compressor Clutch

WARNING: This page is about a different car, the 2015 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

When A/C is requested and all conditions are within normal parameters, a ground is provided to the A/C clutch relay coil from the PCM, energizing the A/C clutch relay. When the PCM energizes the relay, voltage is supplied to the A/C compressor clutch field coil from the relay.

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