Hyundai Tucson (NX4) 2022-2026 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Ambient Sensor

Hyundai Tucson: Air Conditioning System / Ambient Sensor

- Description The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.The sensor output will be used for discharge temperature control, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control.

- If the ambient temperature is below 1.0°C (33.8°F), the A/C compressor will stop.- The compressor will operate manually.

- Inspection

1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.Specification

Ambient temperature [°C (°F)]	Resistance between terminals 1 and 2 (kΩ ± 3%)
-10(14)	164.2
0(32)	97.5
10(50)	59.6
20(68)	37.46

1. Ambient Sensor (+)
2. Sensor ground

- Replacement

1.Disconnect the negative (-) battery terminal.

2.Remove the front bumper assembly.(Refer to Body - "Front Bumper Assembly")

3.Disconnect the connector (A) and then remove the ambient temperature sensor (B).

4.Install in the reverse order of removal.

Photo Sensor

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

Auto defoging sensor

- Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Service Manual: Tire
- Tire Wear • Using tires and wheel other than the recommended sizes could cause unusual handling characteristics and poor vehicle control, resulting in a serious accident. 1.Measure the tread depth of the tires.Tread depth [limit] : 1.6 mm (0.0630 in.) 2.If the rema ...

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Collision-avoidance assist (while driving)
To warn you of a potential collision, the warning light on the side view mirror may blink, a warning message may appear on the instrument cluster, and an audible warning may sound. Blind-Spot Collision-Avoidance Assist operates when your vehicle speed is about 40-120 mph (60-200 ...