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: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box Upper Cover Assembly") 3. Remove the smart key unit. (Refer to Body - "Smart Key Unit") 4. Disconnect the body control module connectors (A). 5. Remove the body control ...

Hyundai Elantra AD (2016-2020) Service Manual: Adaptive Front Lighting System Description and Operation
Description AFLS Unit (ECU) AFLS located in Cockpit Module is provided information of vehicle. (steering wheel signal,vehicle speed, inclination of vehicle) Based on provided information, it calculates algorithm and adjust Low beam of H/Lamp. It transmits driving information by using LIN prot ...