nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Radiator Cooling Fan Motor > < A/C - Buzzing/Growling Noise From Engine Compartment|Page 3757
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Radiator Cooling Fan Control Module: Description and Operation

ENGINE OVER TEMPERATURE

Cooling Fan Control

Operation

System Description

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 3-step control [HIGH/LOW/OFF].
The ECM controls cooling fan relays through CAN communication line.

Radiator Cooling Fan Motor > < A/C - Buzzing/Growling Noise From Engine Compartment|Page 3757