Radiator Cooling Fan Control Module: Description and Operation

COOLANT OVER TEMPERATURE 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].
The ECM controls cooling fan relays through CAN communication line.

Operation: