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

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) 2019-2024 Service Manual: Troubleshooting

Troubleshooting Symptom Possible cause Countermeasure Wind noise around the door Arise the gap on weatherstrip Replace weatherstrip Water leaks from panorama sunroof Miss install of panorama sunroof frame weather strip and deforming Replace seal breakage Fill with sealant Wind noise on Panorama Sunroof Deflector deformation and deviation Replace or Remounting Noise while panorama sunroof is working (noise when opening or closing) Accumulation on the guide rail or rear rail Clean guide rail/rear rail and apply grease Tilt lever shoe excessive wear and breakage Replace tilt lever shoe Panorama Sunroof malfunction (Motor work, sunroof move partially or does not move Accumulation on the guide rail or rear rail 1...

Hyundai Santa Fe (TM) 2019-2024 Service Manual: Rear Transverse Trim. Components and components location

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