Kia Rio: Air Conditioning System / Evaporator Temperature Sensor
Description and operation
| Description |
The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator freezing by excessive cooling.
Repair procedures
| Inspection |
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the evaporator temperature sensor connector. |
| 3. |
Measure resistance between terminal “+” and “-” of 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 harness connector. Specification
|
| Replacement |
| 1. |
Disconnect the negative (-) battery terminal. |
| 2. |
Disconnect the evaporator temperature sensor connector (A).
|
| 3. |
Remove the evaporator temperature sensor (A) by pulling it out after rotating 90° in a counterclockwise direction.
|
| 4. |
Installation is the reverse order of removal. |
A/C Pressure Transducer
Description and operation
Description
The A/C Pressure Transducer (APT) convert the pressure value of high pressure
line into voltage value after measure it. By converted voltage value ...
Photo Sensor (FATC only)
Description and operation
Description
The photo sensor is located at the center of defrost nozzles.
The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar
...
Other information:
Kia Rio 2017-2025 YB Service Manual: Engine Coolant Temperature Sensor (ECTS)
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Kia Rio 2017-2025 YB Service Manual: Blower Resistor (MANUAL)
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