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) Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the evaporator temperature sensor connector. 3. Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor. Specification Evaporator core temperature [°C (°F)]Resistance [K?]Voltage [V]-10 (14)43. ...

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Inspection ABS System Bleeding This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with brake fluid. 1. Remove the reservoir cap and fill the brake reservoir with brake fluid. • If the ...