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: Front Door Outside Handle Repair procedures
Replacement 1. Remove the plug hole (B). 2. After loosening the mounting bolt, remove the front door lock assembly (A). Tightening torque : 7.8 ~ 10.8 N.m (0.8 ~ 1.1 kgf.m, 5.8 ~ 8.0 lb-ft) 3. Remove the front door outside handle (A) by sliding it forward. 4. Disconnect the fro ...

Hyundai Elantra AD (2016-2020) Service Manual: Cylinder Block Repair procedures
Disassembly • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature (20°C [68°F]) before removing it. • When handling a metal gasket, ...