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Evaporator Temperature Sensor / Switch: Service and Repair





Inspection

1. Turn the ignition switch OFF.
2. Disconnect the evaporator temperature sensor connector.
3. Measure resistance between terminal "+" and "-" of the evaporator temperature sensor.




4. Connect the evaporator temperature sensor connector.
5. Run the engine and turn the A/C switch ON, then measure the voltage between the terminals of the harness connector.
Specification






Replacement

1. Disconnect the negative (-) battery terminal.
2. Disconnect the evaporator temperature sensor connector (A).




3. Remove the evaporator temperature sensor (B) by pulling it out after rotating it 90° in a counterclockwise direction.
4. Install in the reverse order of removal.