Hyundai Tucson: Air Conditioning System / In car sensor Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / In car sensor Repair procedures

Inspection

1.	Ignition "ON"

Blow air with changing temperature to the in car sensor air inlet. Measure sensor resistance between 1 and 2 terminals.

1. Sensor Ground

2. Incar Sensor Signal

Specification

Temperature [°C(°F)]	Resistance between terminals 1and 2 (kx)
-20(-4)	290.21
-10(14)	165.6
0 (32)	97.83
10(50)	59.67
20(68)	37.48
30(86)	24.17
40(104)	15.98
50(122)	10.81

In car sensor is negative type thermistor that resistance will rise with lower temperature, and reduce with higher temperature.

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the right center air vent and then disconnect the incar sensor connector (A).

3.	Remove the incar sensor (B) from center air vent.

4.	Install in the reverse order of removal.

In car sensor Description and Operation

Description 1. In-car air temperature sensor is located at the center facia lower panel. 2. The sensor contains a thermistor which measures the temperature of the inside. The signal decided ...

Photo Sensor Description and Operation

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