WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever the following DTCs are not stored
None
Both of the following conditions are met
-
Engine
Running
Estimated heated oxygen sensor temperature
450°C (842°F) or higher, and less than 750°C (1382°F)