Typical Enabling Conditions
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
| All of the following conditions are met | - |
| Arrive at after engine stop | 5 hours or more |
| Engine coolant temperature | -10°C (14°F) or higher |
| Engine oil temperature | -10°C (14°F) or higher |
| Time after ECM started by soak timer | 0.5 seconds or more |
| Ignition switch | Off |
| Auxiliary battery voltage | Higher than 8 V |
| Engine coolant temperature sensor circuit fail (P0117, P0118) | Not detected |
| Engine oil temperature sensor circuit fail (P0197, P0198) | Not detected |
| Soak timer fail (P2610) | Not detected |