Hyundai Elantra: Air Conditioning System / Auto Defogging Sensor Description and Operation

Hyundai Elantra AD (2016-2020) 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. 1. Ambient Sensor (+)2. Sensor ground ...

Auto Defogging Sensor Repair procedures

Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ? The diagnostic system (GDS) provides the follow ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Automatic Climate Control System
1. Driver's temperature control knob 2. Front windshield defrost button 3. Rear window defrost button 4. Fan speed control knob 5. Air intake control button 6. Passenger's temperature control knob 7. AUTO (automatic control) button 8. OFF button 9. Air conditioning button 10. Mode ...

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Removal 1. Remove the front bumper cover. (Refer to Body - "Front Bumper Cover") 2. Remove the high pitch horn and low pitch horn after disconnect the horn connector (A) and loosening the mounting the bolt. [Low Pitch Horn] [High Pitch Horn] Installation 1. Install the horns after ...