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: Timing Chain Cover Repair procedures
Removal Engine removal is not required for this procedure.     • Use fender covers to avoid damaging painted surfaces. • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.     • Mark all wiring a ...

Hyundai Elantra AD (2016-2020) Service Manual: Engine Oil Repair procedures
Oil And Filter Replacement     • Prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis. In addition, used engine oil contains potentially harmful contaminants which may c ...

© 2018-2026 www.helantraad.com