On-Vehicle Inspection [10/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
- Remove No. 1 engine cover sub-assembly.
- Start the engine.
- Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.
- Check that air is sucked into the No. 2 ventilation hose.
Standard
Air is sucked into the No. 2 ventilation hose.
If the result is not as specified, replace the PCV valve (ventilation valve sub-assembly).