Subaru 2009 IMPREZA Service Manual page 623

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
Step
8 CHECK CANISTER.
9 CHECK FUEL TANK.
Remove the fuel tank. <Ref. to FU(H4SO)-54,
Fuel Tank.>
10 CHECK ANY OTHER MECHANICAL TROU-
BLE IN EVAPORATIVE EMISSION CON-
TROL SYSTEM.
Check
Is the canister damaged or is
there a hole of more than 1.0 mm
(0.04 in) dia. in it?
Is the fuel tank damaged or is
there any hole of more than
1.0 mm (0.04 in) dia. in it?
Is there any hole of more than
1.0 mm (0.04 in) dia., crack,
clogging, or disconnections,
bend, misconnection of hoses
or pipes in evaporative emis-
sion control system?
EN(H4SO)(diag)-206
Yes No
Repair or replace Go to step 9.
the canister. <Ref.
to EC(H4SO)-5,
Canister.>
Repair or replace Go to step 10.
the fuel tank. <Ref.
to FU(H4SO)-54,
Fuel Tank.>
Repair or replace Repair the poor
the hoses or pipes. contact of ECM
connector.