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Home >> Nissan-Datsun >> 2018 >> Rogue Sport SL, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (1 Of 4) >> Engine Control System >> System >> Cooling Fan Control >> System Description >> System Description

System Description

ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, refrigerant pressure, air conditioner ON signal. Then control system has 3-step control [ HIGH/LOW/OFF ].

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