Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
COLD START MONITOR
| Engine coolant temperature sensor (for cylinder head side) value change | Less than 5°C (9°F) |
SOAK MONITOR
| Difference between current engine coolant temperature sensor (for cylinder head side) value and previous engine coolant temperature sensor (for cylinder head side) value when engine stopped | Less than 5°C (9°F) (Varies with engine coolant temperature (for cylinder head side) of last trip engine stop) |