Subaru 2002 Impreza Service Manual page 121

EVAPORATIVE EMISSION CONTROL SYSTEM
Emission Control
(Aux. Emission
Control Devices)
D: CANISTER
The charcoal filled in the canister temporarily stores fuel vapors. When the purge control solenoid
valve is opened by a signal from the ECM, the external fresh air entering the canister carries the
fuel vapors into the collector chamber.
(1)
Grid
(2) Filter
(3) Charcoal
(4) Filter
(5) Spring
H2H3223B
A: To purge control solenoid valve
B: From fuel tank
C: Air
EC-13