Monitor Description
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.
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.