Hyundai Elantra: Smart Key System / Smart Key Unit Schematic Diagrams

Circuit Diagram

Smart Key Unit Components and Components Location
Components (1) NoConnector AConnector BConnector C1BAT (+)_SignalDriver's door antenna_GND-2BAT (+)_PowerDriver's door antenna_Power-3IGN 1--4IGN 2_Relay outputB-CAN (High)SSB LED (OFF)5IGN 1_Rel ...

Smart Key Unit Repair procedures
Removal Smart Key Unit 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 (A) after ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location 1. AVN4.0 head unit (8inch)2. Bluelink keyboard [4.0 (8inch)]3. External amplifier [4.0 (8inch)]4. Roof antenna5. Multimedia jack6. Wif & LTE Antenna [4.0 (8inch)]7. Steering wheel remote control8. Hands-free mic (Built-in overhead console) ...

Hyundai Elantra AD (2016-2020) Service Manual: AVN Antenna Repair procedures
Removal Roof Antenna 1. Disconnect the negative (-) battery terminal. 2. Remove the roof trim. (Refer to Body - "Roof Trim Assembly") 3. Disconnect the roof antenna connector (A). 4. Remove the roof antenna (A) after loosening a nut (B). Installation Roof Anenna 1. Connect th ...

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