Hyundai Sonata: 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 (B) after ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Occupant Classification System (OCS)
Your vehicle is equipped with an Occupant Classification System (OCS) in the
front passenger's seat.
Main components of the Occupant Classification System
A detection device located within the front passenger seat cushion.
Electronic system to determine whether the passenger air bag systems sho ...
Hyundai Sonata LF 2014-2019 Owners Manual: Battery replacement
If the Smart Key is not working properly, try replacing the battery with a new
one.
Battery Type: CR2032
To replace the battery:
1. Pry open the rear cover of the smart key.
2. Remove the old battery and insert the new battery.
3. Reinstall the rear cover of the smart key.
If you suspect your smar ...
