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:
Headlamp welcome function
When the headlight switch is in the ON or AUTO position and all doors (and trunk)
are closed and locked, if you press the door unlock button on the transmitter (or
the smart key), the headlights w ...
Restrictions in handling keys
When leaving keys with parking lot and valet attendants, the following procedures
will ensure that your vehicle’s trunk and glove box compartment can only be opened
with the master key.
Lock
W ...
Intake Air Temperature Sensor (IATS). Description and Operation
Description
Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute
Pressure Sensor and detects the intake air temperature.
To calculate precise air quantity, correction o ...
