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Evaporator Temperature Sensor / Switch: Testing and Inspection
Evaporator Temperature Sensor Test 1.
Dip the sensor in ice water
(32 °F) (0 °C) and measure the resistance between its terminals.
2.
Then pour warm water on the sensor, and check for a change in resistance.
3.
Compare the resistance readings with the specifications shown in the graph; the resistance should be within the specifications.
