Radiator Fan Control System

This system controls operation (ON/OFF) of the radiator fan motor. Radiator fan motor is turned ON and OFF by its relay which ECM controls.


Radiator fan motor is turned ON/OFF under above engine coolant temp.

^ Radiator Fan Motor:
- On with coolant temperature above 98°C (208°F)
- Off with coolant temperature above 93°C (200°F)