Colt Vista 2WD L4-2350cc 2.4L SOHC (1993)
Radiator Cooling Fan Temperature Sensor / Switch: Testing and Inspection
Thermo Sensor
Fig. 47 Coolant Temperature Switch Check
1.
Remove engine coolant temperature switch from radiator, then immerse switch in warm water or oil.
2.
Connect a suitable ohmmeter across switch, as water or oil is heated the switch should close at approximately 185 degrees F and as water or oil
cools the switch should open at approximately 171 degrees F.
3.
If not within specifications, replace coolant temperature switch.