Radiator Cooling Fan: Testing and Inspection

Radiator Fan System

WIRING DIAGRAM





INSPECTION

Operating condition:
Radiator fan operates depending on the radiator fan operation mode related to engine coolant temperature or the radiator fan operation mode related to A/C compressor load, whichever is higher as an operation mode.
^ Radiator fan operation mode related to engine coolant temperature





^ Radiator fan operation mode related to A/C compressor load





DIAGNOSIS:
Radiator main fan and radiator sub fans do not rotate under the above operating conditions.