Hyundai Sonata: Catalytic Converter. Description and Operation
Description
The catalytic converter of the gasoline engine is a three way catalyst.
It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from
the oxides of nitrogen (NOx).
There are two types of three-way catalyst; Palette type and Monolith type.
[SULEV]

[ULEV]

Description and Operation
Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine
modifications and the addition of special control components.
Modifications to the combustion chamber, ...
CVVT (Continuously Variable Valve Timing) System. Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the
valve timing of the intake and exhaust valve in accordance with the ECM control
signal which is calculated ...
See also:
Seat Heater Switch. Repair procedures
Inspection
Front Seat Heater Switch
1.
Disconnect the negative (-) battery terminal.
2.
Remove the floor console upper cover (A).
...
California perchlorate notice
Perchlorate Material-special handling may apply, See www.dtsc.ca.gov/hazardouswaste/
perchlorate.
Notice to California Vehicle Dismantlers: Perchlorate containing materials, such
as air bag infla ...
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 ...
