Kia Optima Manuals

Kia Sedona: Evaporator Temperature Sensor Repair procedures - Air conditioning System - Heating,Ventilation And Air Conditioning - Kia Sedona YP Service ManualKia Sedona: Evaporator Temperature Sensor Repair procedures

Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Heating,Ventilation And Air Conditioning / Air conditioning System / Evaporator Temperature Sensor Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure resistance between terminals “+” and “-” of the evaporator temperature sensor.

Specification
Evaporator core temperature
[°C (°F)]
Resistance[kΩ]
Voltage[V]
-10 (14)
43.35
2.93
0 (32)
27.62
2.40
10 (50)
18.04
1.88
20 (68)
12.11
1.44
30 (86)
8.30
1.08
40 (104)
5.81
0.81

4.
Connect the evaporator temperature sensor connector.
5.
Run the engine, turn the A/C switch ON, and then measure the voltage between the terminals of the harness connector.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Housing")
3.
Separate the evaporator temperature sensor after rotating it 90° in a counterclockwise direction.

4.
Disconnect the evaporator temperature sensor connector (A).

5.
Remove the evaporator temperature sensor (A).

6.
Install in the reverse order of removal.
Evaporator Temperature Sensor Description and Operation
Description The evaporator temperature sensor detects the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. ...

In-car Sensor (DATC only) Description and Operation
Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor consists of a thermistor that measures the inside temperature. The signal decided by the r ...

Other Information:

Economical operation
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12,000 km (7,500 miles) or 6 months
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