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Evaporator Temperature Sensor / Switch: Testing and Inspection

A/C Evaporator Temperature Sensor Inspection

Check resistance between A/C evaporator temperature sensor terminals. If check result is not in specification, replace A/C evaporator temperature sensor with the new one.

A/C evaporator temperature sensor resistance
11.2 - 11.5 kohms at 0 °C (32 °F)
3.8 - 3.9 kohms at 25 °C (77 °F)