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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Controls - Description & Operation (Except Diesel & Hybrid)) >> Engine Control Components >> Charge Air Cooler (CAC) Cooling Fan

Charge Air Cooler (CAC) Cooling Fan

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The PCM monitors certain parameters (such as manifold pressure, charge air temperature, and engine coolant temperature) to determine CAC cooling fan needs. The CAC cooling fan is relay controlled by the PCM. The PCM controls the CAC cooling fan operation with the CACCF circuit through the CAC cooling fan relay.