On-Vehicle Inspection [09/2022 - ]: Procedure
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.
- INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
- Check the PCV valve (ventilation valve sub-assembly) operation.
- Start the engine.
- Slide the clip and disconnect the No. 2 ventilation hose from the cylinder head cover sub-assembly.
- Check that air is sucked into the cylinder head cover sub-assembly.
Standard
Air is sucked into the cylinder head cover sub-assembly.
If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).
- Check the PCV valve (ventilation valve sub-assembly) operation.