Catalyst Location
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus IS 300, 2023 Lexus IS 300, 2022 Lexus IS 300, 2021 Lexus IS 300, and 2020 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Air Fuel Ratio Sensor (Sensor 1) | *2 | Heated Oxygen Sensor (Sensor 2) |
| *3 | Exhaust Manifold Converter Sub-assembly | *4 | Front Exhaust Pipe Sub-assembly |
| *5 | Tail Exhaust Pipe Sub-assembly | *6 | Tail Exhaust Pipe Sub-assembly LH |
| *7 | (TWC: Front Catalyst) | *8 | (TWC: Rear Catalyst) |
NOTE:
Replace the exhaust manifold converter sub-assembly (*3) together when catalyst replacement is necessary. (Excluding air fuel ratio sensor *1 and heated oxygen sensor *2)