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 | - |
| Engine coolant temperature | -10°C (-50°F) or higher |
| Engine water pump output duty ratio | 30 to 85% |
| Auxiliary battery voltage | Higher than 10.5 V |
| Engine coolant temperature sensor malfunction (P0117, P0118) | Not detected |
| Engine water pump (IN) malfunction (P26CA) | Not detected |
| Engine water pump (OUT) malfunction (P26CC, P26CD) | Not detected |