Typical Enabling Conditions
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
| Key-off monitor runs when all of the following conditions are met | - |
| Atmospheric pressure | 70 kPa (abs) [10.2 psi (abs)] or higher, and less than 110 kPa (abs) [16 psi (abs)] |
| Auxiliary battery voltage | 10.5 V or higher |
| Vehicle speed | Less than 4 km/h (2.5 mph) |
| Ignition switch | Off |
| Engine condition | Not running |
| Key-OFF duration | 5, 7 or 9.5 hours |
| Pressure sensor of canister pump module malfunction (P0452 and P0453) | Not detected |
| Fuel tank pressure sensor malfunction (P1452 and P1453) | Not detected |
| Purge VSV | Not operated by scan tool |
| Vent valve | Not operated by scan tool |
| Fuel vapor-containment valve | Not operated by scan tool |
| Leak detection pump | Not operated by scan tool |
| Purge flow before key-OFF | Performed |
| Engine coolant temperature | 4.4°C (39.9°F) or higher, and less than 35°C (95°F) |
| Intake air temperature | 4.4°C (39.9°F) or higher, and less than 35°C (95°F) |