Kia Rio: Air Conditioning System / Evaporator Temperature Sensor

Kia Rio 2017-2025 YB Service Manual / Heating,Ventilation, Air Conditioning / 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

Evaporator core temperature [°C (°F)]
Resistance[kΩ]
-10 (14)
17.7 - 18.2
0 (32)
11.3 - 11.5
10 (50)
7.3 - 7.5
20 (68)
4.8 - 5.0
30 (86)
3.2 - 3.4
40 (104)
2.2 - 2.4

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: Front Lower Arm


Repair procedures Removal 1. Remove wheel nuts, front wheel and tire from front hub. Tightening torque: 107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft)    ...

Kia Rio 2017-2025 YB Owners Manual: Battery


For best battery service Keep the battery securely mounted. Keep the battery top clean and dry. Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease. Rinse any spilled electrolyte from the battery immediately with a solution of water a ...

Copyright © www.krioyb.com 2017-2025