Radiator Cooling Fan Motor Relay: Description and Operation

PURPOSE
Allows the ECU to control radiator fan operation.

LOCATION
Under the L.H. side of the dash, next to the ECU (White 4-pin connector).

OPERATION
When the ECU detects a coolant temperature above 92° C (198° F) via the signal from the coolant temperature sensor, it switches the radiator fan relay "ON" to power the cooling fan. The control unit will keep the relay energized until it receives a signal from the temperature sensor that the temperature has fallen below the specified value.