INSPECT CHARCOAL CANISTER
| *a | Port A |
| *b | Port B |
| *c | Port C |
| *d | Air |
Close port C, apply compressed air to port A and check that air flows out from port B.
| *a | Port A |
| *b | Port B |
| *c | Port C |
| *d | Air |
Close port C, apply compressed air to port B and check that air flows out from port A.
| *a | Port A |
| *b | Port B |
| *c | Port C |
| *d | Air |
Apply compressed air to port B and check that air flows out from port A and port C.
| *a | Port A |
| *b | Port B |
| *c | Port C |
Close port A and port C, and apply compressed air to port B to check for leaks.