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 COOLING FAN SYSTEM WARNING:
To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system.
- Check the operation of the cooling fan while operating it using the GTS.
Powertrain > Engine > Active Test
Tester Display Control the Engine Cooling Fan Duty Ratio OK
Active Test Operation Fan Operation 30 - 100% Cooling fan operates 0% Cooling fan stops If the cooling fan motor (fan with motor assembly) does not operate, check the cooling fan circuit.
- Check the operation of the cooling fan while operating it using the GTS.