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:
Engine Coolant Temperature Sensor (ECTS). Description and Operation
Description
Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant
passage of the cylinder head for detecting the engine coolant temperature. The
ECTS uses a thermistor th ...
Description and Operation
Cruise Control
The cruise control system is engaged by the cruise "ON/OFF" main switch
located on right of steering wheel column. The system has the capability to
cruise, coast, ac ...
Fuel Additives
HYUNDAI recommends that you use good quality gasolines treated with detergent
additives such as TOP TIER Detergent Gasoline, which help prevent deposit formation
in the engine. These gasolines wil ...
