Hyundai Sonata: Immobilizer System
- Components and Components Location
- Schematic Diagrams
- Description and Operation
- Repair procedures
- Immobilizer Control Unit. Repair procedures
- Antenna Coil. Repair procedures
Auto Light Sensor. Repair procedures
Inspection
In the state of IGN1 ON, when multi function switch module detects auto
light switch on, tail lamp relay output and head lamp low relay output are controlled
according to auto lig ...
Components and Components Location
Components
...
See also:
Heated Oxygen Sensor (HO2S). Description and Operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed
both upstream and downstream of the Manifold Catalytic Converter. The sensor
output voltage varies ...
Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start
the engine). Any light that does not illuminate should be checked by an authorized
HYUNDAI dealer.
After starting th ...
Description and Operation
Description
The Evaporative Emission Control System prevents fuel vapor stored in
fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the
fuel tank, the vapor passes t ...
