Colt Vista 2WD Radiator Cooling Fan Sensor Diagrams
Radiator Cooling Fan Temperature Sensor / Switch: Description and Operation
California Only
Radiator Fan Motor Circuit
PURPOSE
Radiator fan operation is monitored by the ECM, to determine the load on the engine under idle conditions.
OPERATION
The ECM monitors the voltage from the radiator fan motor relay. If system voltage is not present, (fan operating) The ECM operates the IAC
motor to maintain correct idle RPM.