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.
| Ball valve position sensor fail (P16B6, P16B7) | Not detected |
| Water control valve motor fail (P16B2) | Not detected |
| Time that engine running time before engine stop | 60 seconds or more |
| Engine coolant temperature | -10°C (14°F) or higher |
| Battery voltage | 10 V or higher |
| Water control valve stuck fail (P16B8) | Not detected |
| Ignition switch | Off |
| ECM started by soak-timer | No |