Kia Niro: Air Conditioning System / Evaporator Temperature Sensor Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Evaporator Temperature Sensor Repair procedures

Inspection

1.	Switch "OFF" the ignition.

2.	Disconnect the evaporator temperature sensor connector.

Measure the resistance between positive (+) and negative (-) terminals of the evaporator temperature sensor.

Specification

Evaporator core temperature [°C (°F)]	Resistance [k?]	Voltage [V]
-10 (14)	43.35	2.96
0 (32)	27.62	2.40
10 (50)	18.07	1.88
20 (68)	12.11	1.44
30 (86)	8.30	1.08
40 (104)	5.81	0.81

1. Evaporator sensor (+)

2. Sensor ground

Replacement

1.	Remove the evaporator core. (Refer to Air Conditioner - "Evaporator Core".)

2.	Remove the evaporator temperature sensor (A).

3.	Install in the reverse order of removal..

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 from freezing by excessiv ...

In-car Sensor Description and operation

Description The in-car air temperature sensor is built into the heater & A/C control unit. The sensor consists of a thermistor that measures the temperature inside the vehicle. T ...

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