Hyundai Santa Fe: Air conditioning System / Evaporator Temperature Sensor. Repair procedures

Hyundai Santa Fe (TM) 2019-2025 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.

Measure resistance between terminal "+" and "-" of the evaporator temperature sensor.

Specification

Temperature[°C(°F)]	Min. Resistance[kΩ]	Resistance[kΩ]	Max. Resistance[kΩ]
-2 (28.4)	28.84	30.16	30.48
0 (32)	27.35	27.62	29.89
2 (35.6)	25.05	25.32	25.59
4 (39.2)	22.97	23.24	23.51
6 (42.8)	21.08	21.35	21.61

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.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the evaporator core. (Refer to Heater - "Evaporator Core")

3.	Separate the evaporator temperature sensor (A) from the evaporator core.

4.	Install in the reverse order of removal.

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