Monitor Description
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.
If the change in PCV pressure does not exceed the threshold value in response to an increase in the intake air flow for each bank, it is determined that the hose is detached or damaged and a DTC is stored.