DTC P2C90-00: Crankcase Ventilation System - Hose "A" Disconnected [09/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
When blowby gas is introduced from the crankcase to the intake system, fresh air is introduced to maintain pressure inside the crankcase.
In order to prevent leaks from the fresh air hose during boosting, the intake air flow and PCV pressure are monitored to detect hose detachment or damage.
| *1 | Air Cleaner | *2 | Compressor |
| *3 | Intercooler | *4 | Throttle Valve |
| *5 | PCV Valve | *6 | Vacuum Sensor Assembly |
| *a | Blowby Gas | *b | Fresh Air |
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|
| P2C90-00 | Crankcase Ventilation System - Hose "A" Disconnected | The change in PCV pressure is less than the threshold value when the change in intake air flow is at or above the specified value (2 trip detection logic). |
|
Comes on | Engine | B |
|