
1.Turn the ignition switch ON.
2.Turn the A/C swicth ON.
3.Measure resistance between terminal "+" and "-" of the evaporator temperature sensor.
| Temperature[°C(°F)] | Resistance (kΩ) | Voltage (V) |
| -10(14) | 17.93 | 3.21 |
| 0(32) | 11.36 | 2.66 |
| 10(50) | 7.4 | 2.13 |
| 20(68) | 4.94 | 1.66 |
| 30(86) | 3.37 | 1.26 |
| 40(104) | 2.35 | 0.95 |

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.
A/C Pressure Transducer
In-car SensorHyundai Tucson (NX4) 2022-2026 Service Manual: 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 light receiving portion,
generates an electromotive force in proportion to the amount of
radiati ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: System Operation
Ventilation
1. Set the mode to the position.
2. Set the air intake control to the
outside (fresh) air position.
3. Set the temperature control to the
desired position.
4. Set the fan speed control to the
desired speed.
Heating
1. Set the mode to the position.
2. Set the air intake con ...