INSPECT CHARCOAL CANISTER
Close port C, apply compressed air to port A and check that air flows out from port B.
If the result is not as specified, replace the charcoal canister.
Close port C, apply compressed air to port B and check that air flows out from port A.
If the result is not as specified, replace the charcoal canister.
Apply compressed air to port B and check that air flows out from port A and port C.
If the result is not as specified, replace the charcoal canister.
Close ports A and C, and apply compressed air to port B to check for leaks.
If the result is not as specified, replace the charcoal canister.