Radiator Cooling Fan Motor: Testing and Inspection

4GR-FSE COOLING: COOLING FAN MOTOR: ON-VEHICLE INSPECTION

1. INSPECT COOLING FAN MOTOR

(a) Check that the motor operates smoothly when the battery is connected to the cooling fan motor connector.





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(b) If the motor does not operate smoothly, replace the cooling fan motor.

(c) Connect the pickup of a clamp-on ammeter over one of the 2 wires for the cooling fan motor.

(d) Measure the current while the motor is operating.

Standard Current:





(e) If the result is not as specified, replace the cooling fan motor.

2. INSPECT NO. 2 COOLING FAN MOTOR

(a) Check that the motor operates smoothly when the battery is connected to the No. 2 cooling fan motor connector.





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(b) If the motor does not operate smoothly, replace the No. 2 cooling fan motor.

(c) Connect the pickup of a clamp-on ammeter over one of the 2 wires for the No. 2 cooling fan motor.

(d) Measure the current while the motor is operating.

Standard Current:





(e) If the result is not as specified, replace the No. 2 cooling fan motor.