Hyundai Santa Fe: Air conditioning System / Auto Defogging Sensor. Description and operation

Hyundai Santa Fe (TM) 2019-2025 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.

Ambient Temperature Sensor. Repair procedures

Inspection 1. Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature...

Auto Defogging Sensor. Repair procedures

Inspection To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide. Replacement 1...

Other information:

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Refrigerant Line. Repair procedures

Replacement [Front suction & Liquid pipe assembly] 1. If a compressor is available, the air conditioner is operated for a few minutes in the engine idle state and then the engine is stopped. 2...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Troubleshooting

Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low...