Repair Procedures: Inspection

WARNING: This page is about a different car, the 2015 Kia Forte5, 2015 Kia Forte Koup, and 2015 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch OFF.
Disconnect evaporator temperature sensor.
Using the multi-tester, measure resistance between terminal "1" and "2" of the evaporator temperature sensor.

Fig 1: Measuring Resistance Between Evaporator Temperature Sensor Terminals
Courtesy of KIA MOTORS AMERICA, INC.
Connect the evaporator temperature sensor connector.

Run the engine and turn the A/C switch ON, then measure the voltage between the terminals of the harness connector.

VOLTAGE, RESISTANCE AND TEMPERATURE REFERENCE

Evaporator Core Temperature [°C(°F)]	Resistance[KΩ]	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