Typical Enabling Conditions
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2023 Lexus ES 350, 2022 Lexus ES 350, 2021 Lexus ES 350, and 2020 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
COLD START MONITOR
| All of the following conditions are met | - |
| Battery voltage | 10.5 V or higher |
| Time after engine start | 1 second or more |
| Engine coolant temperature at engine start | Less than 60°C (140°F) |
| Soak time | 0 second or more |
| Accumulated mass air flow | 5076 g or more |
| Engine | Running |
| Fuel cut | Off |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Engine coolant temperature sensor circuit fail (P0117, P0118) | Not detected |
| Difference between engine coolant temperature at engine start and intake air temperature (for mass air flow meter sub-assembly) | Less than 40°C (72°F) |
SOAK MONITOR
| All of the following conditions are met | - |
| Battery voltage | 10.5 V or higher |
| Last trip condition | Engine running |
| Soak time | 5 hours or more |
| Either of the following conditions is met | 1 or 2 |
| 1. Engine coolant temperature | 60°C (140°F) or higher |
| 2. Accumulated mass air flow | 10152 g or more |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Engine coolant temperature sensor circuit fail (P0117, P0118) | Not detected |
| Soak timer fail (P2610) | Not detected |