On-Vehicle Inspection [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. 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).