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: Repair procedures
Operation and Leakage Check Check all of the following items: ComponentProcedureBrake Booster (A)Check brake operation by applying the brakes during a test drive. If the brakes do not work properly, check the brake booster. Replace the brake booster as an assembly if it does not work properl ...

Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description The starting system includes the battery, starter, solenoid switch, ignition switch, inhibitor switch (A/T), clutch pedal switch (M/T), ignition lock switch, connection wires and the battery cable. When the ignition key is turned to the start position, current flows and energizes ...

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