Hyundai Elantra (CN7): Air Conditioning System / Auto Defogging Sensor

Hyundai Elantra (CN7) 2021-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor

Description

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 module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuator, blower motor rpm, and mode actuator.

Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the inside rear view mirror cover (A).

3.
Remove the rain sensor cover (A).

4.
Disconnect the connector (A) and then remove the auto defogging sensor (B).

5.
To install, reverse the removal procedure.

    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.

    Description and operation DiscriptionMonitor the air quality inside the vehicle in real time (PM sensor) and display the status on the screen.Automatically operate when fine dust concentration is high (Condition: Bet mode + A/C ON + 3rd speed or higher) Components and components location Components Location1.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Immobilizer Control Unit

    Components and components location Components (1)With Smart KeyConnector Pin Information Pin no Connector A Connector B Connector C Connector D Connector E 1ESCL

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Components and positions

    C

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