Hyundai Palisade (LX2): Air conditioning System / Auto Defogging Sensor

Hyundai Palisade (LX2) 2020-2026 Service Manual / Heating,Ventilation And Air Conditioning / Air conditioning System / Auto Defogging Sensor

Description and operation

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

Inspection
To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide.
Replacement
Hyundai Palisade. Repair procedures   
•
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.
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rain sensor inner cover (A).

Hyundai Palisade. Repair procedures
3.
Remove the rain sensor cover (A).

Hyundai Palisade. Repair procedures
4.
Separate the auto defogging sensor connector (B) and remove the auto defogging sensor (A).

Hyundai Palisade. Repair procedures
5.
Install in the reverse order of removal.
Hyundai Palisade. Repair procedures   
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Be careful to damage the windshield glass.
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Make sure the hood latch release cable is connected properly.

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