| Circuit Diagram |

Input Speed Sensor Specifications
Input Speed Sensor Repair proceduresHyundai Elantra AD (2016-2020) Owners Manual: Auto Defogging System (Only for Automatic Climate Control System)
Auto defogging reduces the possibility of fogging up the inside of the windshield
by automatically sensing the moisture of inside the windshield.
The auto defogging system operates when the heater or air conditioning is on.
Information
The auto defogging system may not operate normally, when ...
Hyundai Elantra AD (2016-2020) Service Manual: Heater & A/C Control Unit (Manual) Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box upper cover assembly.
(Refer to Body - "Glove Box Upper Cover Assembly")
3.
Loosen the mounting screws and remove the crash pad center lower cover [LH](A).
4.
After loosening the mounting screws, r ...