Kia Cee'd: Troubleshooting / Evaporator Temperature Sensor Repair procedures

Kia Cee'd Service Manual / Heating,Ventilation, Air Conditioning / Troubleshooting / Evaporator Temperature Sensor Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure resistance between terminal “+” and “-” of the 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 the harness connector.
Specification
 
Evaporator core
temperature
[°C(°F)]
Resistance [kΩ]
Voltage [V]
-20(-4)
70.04
3.50
-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
50(122)
4.15
0.61

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Disconnect the evaporator temperature sensor connector (A).

3.
Remove the evaporator temperature sensor (B) by pulling it out after rotating it 90° in a counterclockwise direction.
4.
Install in the reverse order of removal.
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