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: Rain Sensor Description and Operation
Description
Integrated Rain Sensor
Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner.
1.
Wiper Control System
When "AUTO" switch signal is received from the multi-function
switch on the right, the integrated rain sensor detects the amoun ...
Hyundai Elantra AD (2016-2020) Owners Manual: Charging System Warning Light, Engine Oil Pressure Warning Light
Charging System Warning Light
When this warning light illuminates while the engine is running, the battery
is not being charged. Immediately turn OFF all electrical accessories. Try not to
use electrically operated controls, such as the power windows. Keep the engine running.
Have the vehicl ...
