7 EMISSIONCONTROLSYSTEMS
EMISSIONCONTROL
SYSTEMS
2
Canister
H010A02NF-AAT
H010B01A-AAT
1. CrankcaseEmissionControlSys-
The emission control system of your ve-
hicle is covered by a written limited war-
ranty. Please see the warranty information
contained in the Owner’s Handbook &
Warranty Information booklet in your ve-
hicle.
Your vehicle is equipped with an emission
control system to meet all applicable emis-
sion regulations.
Fuel vapors generated inside the fuel tank
are absorbed and stored in the onboard
canister. When the engine is running, the
fuel vapors absorbed in the canister are
drawn into the surge tank through the
purge control solenoid valve.
tem
The positive crankcase ventilation system
isemployedtopreventairpollutioncaused
by blow-by gases being emitted from the
crankcase. This system supplies fresh
filtered air to the crankcase through the air
intakehose.Insidethecrankcase,thefresh
air mixes with blow-by gases, which then
pass through the PCV valve into the
induction system.
PurgeControlSolenoidValve(PCSV)
There are three emission control systems,
as follows.
The purge control solenoid valve is
controlled by the Engine Control Module
(ECM);
when the engine coolant
(
(
(
1) Crankcase emission control system
2) Evaporative emission control system
3) Exhaust emission control system
temperature is low during idling, the PCSV
closes so that evaporated fuel is not taken
into the engine. After the engine warms-up
during ordinary driving, the PCSV opens
to introduce evaporated fuel to the engine.
H010C01S-AAT
2. EvaporativeEmissionControl(In-
cludingORVR:OnboardRefueling
VaporRecovery)System
Inordertoassuretheproperfunctionofthe
emission
recommended that you have your vehicle
inspected and maintained by an autho-
rized Hyundai dealer in accordance with
the maintenance schedule in this manual.
control
systems,
it
is
TheEvaporativeEmissionControlSystem
is designed to prevent fuel vapors from
escaping into the atmosphere.
(The ORVR system is designed to allow
the vapors from the fuel tank to be loaded
into a canister while refueling at the gas
station, preventing the escape of fuel
vapors into the atmosphere.)
Caution for the Inspection and Mainte-
nance Test With Electronic Stability
Control (ESC) system
o To prevent the vehicle from misfiring
duringdynamometertesting,turnthe
ElectronicStabilityControl(ESC)sys-
tem off by pressing the ESC switch.
o After dynamometer testing is com-
pleted, turn the ESC system back on
by pressing the ESC switch again.
| Categories | Hyundai Manuals, Hyundai Sonata Manuals |
|---|---|
| Model Year | 2010 |
| Download File |
|
| Document Type | Owners Manual |
| Language | English |
| Product Brand | Hyundai, Sonata |
| Document File Type | |
| Copyright | Attribution Non-commercial |
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