EMISSION SYSTEM [SKYACTIV-G 2.

0]
id0116z8110100

Outline
• A single-nano catalyst* has been adopted for the catalytic converter (TWC), three-way catalyst to improve
emission gas purification efficiency.

Structural View
Engine compartment side
VENTILATION HOSE
PURGE SOLENOID VALVE QUICK RELEASE CONNECTOR

CATCH TANK

PCV VALVE

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Exhaust system side

WU-TWC

TWC

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4WD

WU-TWC

TWC

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Fuel tank side

FUEL-FILLER CAP

ROLLOVER VALVE
(CHECK VALVE) CHARCOAL CANISTER

VEHICLE FRONT

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4WD

CHARCOAL
CANISTER
FUEL-FILLER CAP

ROLLOVER VALVE
(CHECK VALVE)

VEHICLE FRONT

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System Diagram

PURGE SOLENOID VALVE

CATCH TANK

2WD FUEL-FILLER
CAP
ROLLOVER VALVE
CHARCOAL (CHECK VALVE)
CANISTER

VENTILATION HOSE
4WD FUEL-FILLER
CAP
ROLLOVER VALVE
(CHECK VALVE)

PCV VALVE

WU-TWC
TWC

: TO PCM

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Vacuum Hose Routing Diagram

VEHICLE
FRONT

CATCH TANK

VENTILATION HOSE

PCV VALVE

PURGE SOLENOID VALVE

VACUUM PUMP

VEHICLE
VEHICLE FRONT
FRONT

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R.H.D.

VEHICLE
FRONT

CATCH TACK

VENTILATION HOSE

PCV VALVE

PURGE SOLENOID VALVE

VACUUM PUMP

VEHICLE VEHICLE
FRONT FRONT

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Structure
• The emission system consists of the following parts:
Part/System name Reference
Exhaust gas purification system
(See CATALYTIC CONVERTER [SKYACTIV-G
(See EXHAUST GAS PURIFICATION Catalytic converter
2.0].)
SYSTEM [SKYACTIV-G 2.0].)
 Part/System name Reference
Positive crankcase ventilation system
(See POSITIVE CRANKCASE (See POSITIVE CRANKCASE VENTILATION
PCV valve
VENTILATION (PCV) SYSTEM (PCV) VALVE [SKYACTIV-G 2.0].)
[SKYACTIV-G 2.0].)
(See PURGE SOLENOID VALVE [SKYACTIV-G
Purge solenoid valve
2.0].)
Evaporative emission control system Catch tank (See CATCH TANK [SKYACTIV-G 2.0].)
(See EVAPORATIVE EMISSION (See CHARCOAL CANISTER [SKYACTIV-G
Charcoal canister
(EVAP) CONTROL SYSTEM 2.0].)
[SKYACTIV-G 2.0].) Check valve (See CHECK VALVE [SKYACTIV-G 2.0].)
Rollover valve (See ROLLOVER VALVE [SKYACTIV-G 2.0].)
Fuel-filler cap (See FUEL-FILLER CAP [SKYACTIV-G 2.0].)
(See QUICK RELEASE CONNECTOR
Quick release connector (emission system)
(EMISSION SYSTEM) [SKYACTIV-G 2.0].)

Specification
Item Specification
WU-TWC (monolith)
Catalyst form
TWC (monolith)
EVAP control system Charcoal canister type
PCV system Closed type