Hyundai Elantra: Air Conditioning System / Photo Sensor
Description and operation
| 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. |
Repair procedures
| 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.
|
| Replacement |
| 1. | Disconnect the negative (-) battery terminal. |
| 2. | Remove the photo sensor cover (A).
|
| 3. | Press the lock pin, separate the connectors (A).
|
| 4. | Remove the photo sensor (A).
|
| 5. | Install in the reverse order of removal. |
In-car Sensor
Description and operation
DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside...
Ambient Temperature Sensor
Description and operation
DescriptionThe 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...
Other information:
Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Automatic climate control system
To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button (). 4. The air-conditioning will turn on according to the detected ambient temperature, fresh mode and higher fan speed will be selected automatically...
Hyundai Elantra (CN7) 2021-2025 Service Manual: Sunroof Glass
Components and components location Components Location1. Sunroof glass Repair procedures Replacement • Put on glove to protect your hands.1.Close the sunroof glass completely by pressing the sunroof switch...
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Function malfunction and limitations
Function malfunction
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When High Beam Assist is not working properly, the ‘Check High Beam Assist (HBA) system’ or ‘Check HBA (High Beam Assist) system’ warning message will appear and warning light will illuminate on the cluster. Take your vehicle to an authorized HYUNDAI dealer and have the function checked.
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