Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Air Conditioning System / 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 radiation received which is transferred to the automatic temperature control module so that the solar radiation compensation will be performed.

- Inspection

1.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.

2.The voltage will rise with higher intensive light and reduce with lower intensive light.

1. Auto light signal
2. Auto light ground
3. Photo signal (RH)
4. LED power (B+)
5. LED ground (To BCM)
6. Photo signal (LH)
7. Photo power (SW)
8. Auto light power (5V)


- Replacement

1.Disconnect the negative (-) battery terminal.

2.Remove the crash pad upper garnish (A).

3.After removing the crash pad upper garnish, insert hand and push up the photo sensor (A) from the inside to remove it.

4.Disconnect the photo sensor connector (A).

5.To install, reverse removal procedure.

    In-car Sensor
    - Description The In-car air temperature sensor is built in the heater & A/C control unit.The sensor consists of a thermistor that measures the inside temperature. The signal decided by the ...

    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 ...

    Other information:

    Hyundai Tucson (NX4) 2022-2025 Service Manual: Radiator Grill
    - Component Location 1. Radiator grill - Replacement     • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • Put on gloves to prevent hand injuries.     • Take care ...

    Hyundai Tucson (NX4) 2022-2025 Service Manual: Accelerator Pedal
    - Removal 1.Turn the ignition switch OFF and disconnect the battery (-) terminal. 2.Disconnect the accelerator position snesor connector (A). 3.Remove the upper mounting cap (B) and the loosen the mounting nut (C). 4.Remove the lower mounting cap (D) and the loosen the mounting bolt (E).Ti ...

    © 2023-2025 Copyright www.htucson4.com