Monitor Strategy
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. 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 |