Typical Enabling Conditions
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
AFTER ENGINE STOP
| All of the following conditions are met | - |
| Time after engine start | 10 seconds or more |
| Battery voltage | 10.5 V or higher |
| Engine coolant temperature at internal engine off timer | -40°C (-40°F) or higher |
| Engine coolant temperature before engine stop | 70°C (158°F) or higher |
| Time that mass air flow is low before engine stop | 2100 seconds or more |
| Accumulated mass air flow amount before engine stop | 4344 g or more |
| Key-off duration | 30 minutes |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Engine coolant temperature sensor circuit fail (P0117, P0118) | Not detected |
| Mass air flow meter circuit fail (P0102, P0103) | Not detected |
| Soak timer fail (P2610) | Not detected |
AFTER COLD ENGINE START
| All of the following conditions are met | - |
| Key-off duration | 5 hours or more |
| Time after engine start | 10 seconds or more |
| Engine coolant temperature | 70°C (158°F) or higher |
| Accumulated mass air flow amount | 4344 g or more |
| Either of the following conditions is met | 1 or 2 |
| 1. Duration while engine load is low | 120 seconds or more |
| 2. Duration while engine load is high | 10 seconds or more |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Engine coolant temperature sensor circuit fail (P0117, P0118) | Not detected |
| Mass air flow meter circuit fail (P0102, P0103) | Not detected |
| Soak timer fail (P2610) | Not detected |