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Home >> Nissan-Datsun >> 2020 >> Altima SL, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Pr25DD) (1 Of 2) >> System Description >> Component Location >> Engine Control System >> Cooling Fan >> PR25DD engine
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PR25DD engine

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].

Cooling fan operates at each speed when the current flows in the cooling fan motor.

Refer to System Description . for cooling fan operation.

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