Nissan and Datsun Workshop Service and Repair Manuals

Radiator Cooling Fan Control Module: Description and Operation

COOLANT OVERTEMPERATURE ENRICHMENT PROTECTION

System Description

Cooling Fan Control

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].

Operation