Radiator Cooling Fan: Testing and Inspection

INSPECTION

DETECTING CONDITION:
^ Engine coolant temperature is 95°C (203°F) or more.
^ A/C switch is turned OFF.
^ Vehicle speed is 19 km/h (12 MPH) or less.

TROUBLE SYMPTOMS:
Radiator main fan and radiator sub fan do not rotate under the above conditions.








Radiator Fan System

WIRING DIAGRAM





RADIATOR FAN CONTROL OUTPUT WAVEFORM