WARNING: This page is about a different car, the 2015 Lexus IS 250C and 2014 Lexus IS 250C. However, it is still accessible from the selected car via links, so may be relevant.
Monitor runs whenever following DTCs are not present
None
Engine
Running
Estimated heated oxygen sensor temperature
450°C (842°F) or more, and less than 750°C (1382°F)