Operation CHARM: Car repair manuals for everyone.

Radiator Cooling Fan: Testing and Inspection

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 fan do not rotate under the above operating conditions.