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).
ATF Replacement (A/T)
NOTE: Keep all foreign particles out of the transmission.
Warm up the engine to normal operating temperature (the radiator fan
comes on), and turn the engine off.
Raise the vehic ...
Manual Transmission
Release the parking brake.
Shift the transmission to neutral.
Leave the ignition switch in ACCESSORY (I) so the steering wheel does not
lock.
Make sure all accessories ar ...
Transmission End Cover Transmission Fluid Pressure Switch Replacement (A/T)
Remove the transmission fluid pressure switch A (2nd clutch) (A).
Make sure there is no water, oil, dust, or foreign particles inside the
connector.
Install the new tr ...