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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System (Pr25DD) (1 Of 3)) >> System Description >> Component Parts >> Engine Control System >> Cooling Fan >> PR25DD engine

PR25DD engine

WARNING: This page is about a different variant/trim than selected.

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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