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: Good Driving Practices
Never take the vehicle out of gear and coast down a hill. This is extremely dangerous. Don't "ride" the brakes. This can cause the brakes and related parts to overheat and malfunction. When you are driving down a long hill, slow down and shift to a lower gear. Engine brak ...

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications DescriptionSpecificationsLimitGeneralTypeIn-line, DOHC Number of cylinders4 Bore81.0 mm (3.1890 in.) Stroke97.0 mm (3.8189 in.) Total displacement1999 cc (121.99 cu.in.) Compression ratio12.5±0.2 : 1 Firing order1-3-4-2 Valve timingIntake valveOpen[BTDC 38° ~ ATDC 2°(initial p ...