Catalyst Location
| *1 | Air Fuel Ratio Sensor (Bank 1 Sensor 1) | *2 | Air Fuel Ratio Sensor (Bank 2 Sensor 1) |
| *3 | Heated Oxygen Sensor (Bank 1 Sensor 2) | *4 | Heated Oxygen Sensor (Bank 2 Sensor 2) |
| *5 | Exhaust Manifold Sub-assembly RH (TWC: Front Catalyst) | *6 | Exhaust Manifold Sub-assembly LH (TWC: Front Catalyst) |
| *7 | Front Exhaust Pipe Assembly (TWC: Rear Catalyst) | *8 | Tail Exhaust Pipe Assembly |
NOTE:
- If DTC P0420 is output, replace the exhaust manifold sub-assembly LH (*6) and the front exhaust pipe assembly (*7) together when catalyst replacement is necessary (Excluding air fuel ratio sensor*1 and heated oxygen sensor*3).
- If DTC P0430 is output, replace the exhaust manifold sub-assembly RH (*5) and the front exhaust pipe assembly (*7) together when catalyst replacement is necessary (Excluding air fuel ratio sensor*2 and heated oxygen sensor*4).