INSPECT CHARCOAL CANISTER ASSEMBLY
Check the appearance.
Visually check the charcoal canister for cracks or damage.
If necessary, replace the charcoal canister.
Check the charcoal canister filter.
Remove the charcoal canister filter.
Visually check that the charcoal canister filter is not excessively damaged or dirty.
If necessary, replace the charcoal canister.
Check the ventilation.
Blow air (4.7 kPa (48 gf/cm2, 0.68 psi)) into port A, then check that the air flows from ports B and C.
If the ventilation is not as specified, replace the charcoal canister.
Clean the filter in canister.
Clean the filter by blowing (19.6 kpa (0.2 kgf/cm2, 2.8 psi)) compressed air into port B while holding port A closed.
Note
Do not attempt to wash the canister.
No activated carbon should come out.
Install the charcoal canister filter.