Monitor Strategy
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.
| Related DTCs | P2C90: PCV fresh air hose monitor (bank 1) P2C91: PCV fresh air hose monitor (bank 2) |
| Required Sensors/Components (Main) | Vacuum sensor assembly |
| Required Sensors/Components (Related) | Mass air flow meter sub-assembly Engine coolant temperature sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | Within 3 seconds |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |