Typical Enabling Conditions
WARNING: This page is about a different variant/trim than selected.
P0455 (PATTERN A), P0456
| Monitor runs whenever following DTCs are not present | None |
| Atmospheric pressure | 70 kPa(abs) [525 mmHg(abs)] or more, and less than 110 kPa(abs) [825 mmHg(abs)] |
| Battery voltage | 10.5 V or more |
| Vehicle speed | Below 2.5 mph (4 km/h) |
| Ignition switch | Off |
| Time after key off | 5, 7 or 9.5 hours |
| Canister pressure sensor malfunction (P0452 and P0453) | Not detected |
| Purge VSV | Not operated by scan tool |
| Vent valve | Not operated by scan tool |
| Leak detection pump | Not operated by scan tool |
| Both of following conditions are met before key off | Conditions 1 and 2 |
| 1. Duration that vehicle has been driven | 5 minutes or more |
| 2. EVAP purge operation | Performed |
| Engine coolant temperature | 4.4°C (40°F) or more, and less than 35°C (95°F) |
| Intake air temperature | 4.4°C (40°F) or more, and less than 35°C (95°F) |
P0455 (PATTERN B)
| Monitor runs whenever following DTCs are not present | None |
| Atmospheric pressure | 70 kPa(abs) [525 mmHg(abs)] or more, and less than 110 kPa(abs) [825 mmHg(abs)] |
| Battery voltage | 10.5 V or more |
| Vehicle speed | Below 2.5 mph (4 km/h) |
| Ignition switch | Off |
| Canister pressure sensor malfunction (P0452 and P0453) | Not detected |
| Purge VSV | Not operated by scan tool |
| Vent valve | Not operated by scan tool |
| Leak detection pump | Not operated by scan tool |
| Both of following conditions met before key off | Conditions 1 and 2 |
| 1. Duration that vehicle driven | 5 minutes or more |
| 2. EVAP purge operation | Performed |
| Engine coolant temperature | 4.4°C (40°F) or more, and less than 45°C (113°F) |
| Intake air temperature | 4.4°C (40°F) or more, and less than 45°C (113°F) |