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Home >> Mercury >> 2002 >> Villager Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Miscellaneous Controls >> Cooling Fan
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Cooling Fan

PCM regulates operation of the electric cooling fan through the low fan and high fan control relays. Using information supplied by Cooling Fan Engine Coolant Temperature (ECT) sensor, ECT sensor, A/C signal and TP sensor, the PCM controls cooling fan operation by grounding and ungrounding relay circuits.