Monitor Strategy
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
| Related DTCs | P0420: Catalyst deterioration |
| Required Sensors/Components (Main) | Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) |
| Required Sensors/Components (Related) | Intake air temperature sensor Mass air flow meter sub-assembly Crankshaft position sensor Engine coolant temperature sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | Approximately 30 seconds |
| MIL Operation | Immediate |
| Sequence of Operation | None |