Catalyst Location
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2023 Lexus ES 350, 2022 Lexus ES 350, 2021 Lexus ES 350, and 2020 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) | *2 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) |
| *3 | Heated Oxygen Sensor (Bank 2 Sensor 2) | *4 | Heated Oxygen Sensor (Bank 1 Sensor 2) |
| *5 | TWC: Front Catalyst | *6 | TWC: Rear Catalyst |
| *7 | Center Exhaust Pipe Assembly | *8 | Tail Exhaust Pipe Assembly |
| *9 | Tail Exhaust Pipe Assembly LH | *10 | Exhaust Manifold |
| *11 | Exhaust Manifold LH | *12 | Front Exhaust Pipe Assembly |
NOTE:
- If DTC P0420-00 is output, replace the exhaust manifold (*10) and the front exhaust pipe assembly (*12) together when catalyst replacement is necessary (Excluding air fuel ratio sensor*1 and heated oxygen sensor*3).
- If DTC P0430-00 is output, replace the exhaust manifold assembly LH (*11) and the front exhaust pipe assembly (*12) together when catalyst replacement is necessary (Excluding air fuel ratio sensor*2 and heated oxygen sensor*4).