Radiator Cooling Fan Motor: Testing and Inspection

COOLING FAN MOTOR
INSPECTION
Two-Speed Type
1. Verify that the battery is fully charged.
2. Disconnect the cooling fan motor connector.
3. Connect battery positive voltage and an ammeter to the cooling fan motor connector for low-speed inspection.
4. Verify that the cooling fan motor operates smoothly at the standard current draw.

Current: 9-15 A




5. Connect battery positive voltage and an ammeter to the cooling fan motor connector for high-speed inspection.
6. Verify that the cooling fan motor operates smoothly at the standard current draw.

Current: 12.3-18.3 A

7. If not as specified, replace the cooling fan motor.