Hyundai Sonata: Smart key unit. Schematic Diagrams
Circuit Diagram

Smart key unit. Components and Components Location
Component (1)
Connector Pin Information
Pin
Connector A
Pin
Connector B
1
Battery
1
Interior 2 an ...
Smart key unit. Repair procedures
Inspection
Smart Key Unit
-
Refer to the BE group - inspection / self diagnosis with GDS.
Smart Key Switch
-
Refer to the BE group - inspecti ...
See also:
Description and Operation
Description
Burglar Alarm System
The burglar alarm system is armed automatically after the doors, hood,
and trunk lid are closed and locked.
The system is set off when any of these ...
Key operations
(1) Master key (M)
Used to start the engine, lock and unlock the doors, lock and unlock the glove
box, and open the trunk.
(2) Sub key (S)
Used only to start the engine and lock and unlock the do ...
Components and Components Location
Components Location
1. Engine Control Module (ECM)
2. Manifold Absolute Pressure Sensor (MAPS)
3. Intake Air Temperature Sensor (IATS)
4. Engine Coolant Temperature Sensor ...
