Sensor-Evaporator Temperature: Description
WARNING: This page is about a different car, the 2005 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
The evaporator temperature sensor (1) is an electrical thermistor located within a molded plastic case that is inserted into the HVAC housing (2) to measure the temperature of the conditioned air downstream of the A/C evaporator (3). Two terminals within the connector receptacle connect the sensor to the vehicle electrical system through a wire lead and connector of the HVAC wire harness.
NOTE:
Cutaway of typical HVAC housing shown for clarity in illustration.
The external location of the evaporator temperature sensor allows the sensor to be removed or installed without disturbing the refrigerant in the A/C system.