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Home >> Nissan-Datsun >> 2012 >> Quest LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> System Description >> Component Parts >> Engine Control System >> Cooling Fan >> Description

Cooling Fan: Description

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The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant pressure, and air conditioner ON signal. The control system has 4-step control [HIGH/MIDDLE/LOW/OFF]. Refer to "COOLING FAN CONTROL: SYSTEM DESCRIPTION " for cooling fan operation.

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