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

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 Service Manual: Steering Column and Shaft Repair procedures
Removal [For C-MDPS Type]     Must be backup the ECU data before exchanging the ECU. The backup data is stored by the VIN number. Before exchanging the MDPS motor, must be confirm the last two digit of the constant value in motor barcord. 1. Disconnect the battery negat ...

Hyundai Sonata LF 2014-2019 Owners Manual: Light Bulbs
Consult an authorized HYUNDAI dealer to replace most vehicle light bulbs. It is difficult to replace vehicle light bulbs because other parts of the vehicle must be removed before you can get to the bulb. This is especially true for removing the headlamp assembly to get to the bulb(s). Removing/in ...