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: Center Pillar Trim Repair procedures
Replacement [Center pillar lower trim] • Put on gloves to prevent hand injuries. • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components. • When removing the ...

Hyundai Elantra AD (2016-2020) Service Manual: Canister Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Lift the vehicle. 3. Disconnect the ventilation hose (A), and canister close valve extension connector (B). 4. Disconnect the vapor tube quick-connector (A). 5. Remove installation nuts ...