Hyundai Azera: In-car sensor Repair procedures

Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Heating,Ventilation, Air Conditioning / Air Conditioning System / In-car sensor Repair procedures

Inspection

1.	Ignition "ON"

Blow warm air into the in-car sensor air inlet. Measure sensor resistance between 2 and 4 terminals.

1. Incar Motor(-)
2. Sensor GND
3. -

4. Incar Sensor (+)
5. -
6. IGN2 (Incar Motor (+))

Temperature [°C(°F)]	Resistance between terminals 2 and 4 (k?)
60(140)	7.463 ± 2.6%
50(122)	10.810 ± 2.2%
35(95)	19.59 ± 1.6%
25(77)	30.00 ± 1.2%
15(59)	47.130 ± 1.7%
0(32)	97.710 ± 2.4%
-15(5)	216.1 ± 3.2%
-30(-22)	509.6 ± 4.1%

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 lower crash pad. (Refer to Body - "Crash Pad Lower Pad")

3.	Disconnect the connector of in-car sensor. Loosen the mounting 2 screws and then remove the in-car sensor (B).

4.	installation is the reverse order of removal.

In-car sensor Description and Operation

Description 1. In-car air temperature sensor is located at the lower crash pad. 2. The sensor contains a thermistor which measures the temperature of the cabin. The signal, determined by the ...

Photo Sensor Description and Operation

Description 1. The photo sensor is located at the center of defrost nozzle. 2. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its lig ...

Hyundai Azera: In-car sensor Repair procedures

In-car sensor Description and Operation

Photo Sensor Description and Operation

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