Typical Enabling Conditions
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. 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) |
| Power switch | Off |
| Engine condition | Not running |
| Key-OFF duration | 5, 7 or 9.5 hours |
| Pressure sensor of canister pump module malfunction (P0451, P0452, P0453) | Not detected |
| Fuel tank pressure sensor malfunction (P1451, P1452, 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) |