SONATA(YF) >2013 > G 2.4 GDI > Heating,Ventilation, Air Conditioning > Air Conditioning System > Evaporator Temperature Sensor>Repair procedures  
Inspection
1.
Ignition "OFF".
2.
Disconnect evaporator temperature sensor.
3.
Using the multi-tester, Measure resistance between terminal "1" and "2" of evaporator temperature sensor.

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
 2.04
10(50)
 18.07
 1.88
20(68)
 12.11
 1.44
30(86)
 8.3
 1.08
40(104)
 5.81
 0.81
50(122)
 4.15
 0.61

Replacement
1.
Remove the console extension cover (A).

2.
Remove the crash pad lower cover (A).

3.
Disconnect the connector (A).

4.
Disconnect the evaporator temp connector (A).

5.
Remove the evaporator temperature sensor (A), by pulling it after rotating 90° in a counterclockwise direction.

6.
Installation is the reverse order of removal.