Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| Elapsed time after starting the engine | 10 seconds | - |
| No active DTCs set (prevents monitor from running) | P0101, P0102, P0103, P0107, P0108, P0117, P0118, P0134, P0135, P0201, P0202, P0203, P0204, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0351, P0352, P0443, P0451, P0452, P0453, P0496, P0497, P0498, P0499, P1109, P1157, P1172, P145C, P2195, P2227, P2228, P2229, P2238, P2252, P2422 | |
| Other | The EVAP canister vent shut valve is open | |
| The EVAP canister purge valve is closed (the system is not purging) | ||