Hyundai Elantra (CN7): Air Conditioning System / In-car Sensor
Description and operation
| Description |
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and according to this signal the control unit regulates in-car temperature to intended value.
Components and components location
| Components Location |
| 1. In-car Sensor |
Repair procedures
| Replacement |
| 1. | Disconnect the negative (-) battery terminal. |
| 2. | Remove the Heater & A/C Control Unit. (Refer to Controller - "Heater & A/C Control Unit (DATC)")
|
| 3. | To install, reverse the removal procedure. |
Description and operation DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling.
Description and operation Description 1.The photo sensor is located at the center of the defrost nozzles.2.The photo sensor contains a photovoltaic (sensitive to sunlight) diode.
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