Radiator Cooling Fan Motor: Testing and Inspection
COOLING FAN MOTOR CHECK1. Disconnect the fan motor connector.
2. Check that the fan motor runs when a positive battery terminal is connected to the fan motor-side connector terminal No.1, and terminal No.2 is grounded. Also check to see that there is no abnormal sound emitted from the fan motor at this time.
3. If the fan motor is defective, replace it.