NOTE: If the warm up TWC is damaged internally, inspect the under-floor TWC for debris.
Raise the vehicle on a lift.
Remove the bolts (A).

Lower the vehicle.
Remove the A/F sensor (Sensor 1).
Remove the EGR pipe.
Remove the cover (A).

Remove the bolts (B) and the nuts (C).
Remove the WU-TWC (D).
Install the parts in the reverse order of removal with new gaskets (E).
Controls
This chapter explains how to operate the various controls necessary for
driving. ...
Fluid Locations
...
Exterior Lights System Description
Headlights System Description
The headlight system is composed of the MICU, the headlight and dimmer/flash-to-pass
switches (inside the combination light switch), the left and right headlights, ...