On-Vehicle Inspection [10/2022 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

Pre-procedure1

Start the engine.

Powertrain > Hybrid Control > Utility

Tester Display
Inspection Mode

Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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).

Post-procedure1

None