Hyundai Sonata: Schematic Diagrams
Circuit Diaram

Components and Components Location
Components
...
Description and Operation
Description
The immobilizer system will disable the vehicle unless the proper ignition
key is used. In addition to the currently available anti-theft systems such
as car alarms, the immobili ...
See also:
Oil Pressure Switch. Repair procedures
Inspection
1.
Check the continuity between the terminal and the
body with an ohmmeter.
If there is no continuity, replace the oil pressure
switch.
...
Front Impact Sensor (FIS). Description and Operation
Description
The front impact sensor (FIS) is installed in the Front End Module (FEM).
They are remote sensors that detect acceleration due to a collision at its mounting
location. The primar ...
Battery replacement
The transmitter uses a 3 volt lithium battery which will normally last for several
years. When replacement is necessary, use the following procedure.
1. Insert a slim tool into the slot and gen ...
