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).
Fuel and Emissions System Description - Electronic Throttle Control System
Electronic Throttle Control System
The throttle is electronically controlled by the electronic throttle
control system (ETCS). Refer to the system diagram to see a functional
layout of the ...
Map Update
INFO button
►Map Update
Update the map database.
When you order a map update, it is mailed to
you on a USB flash drive. ...
Rocker Arm and Shaft Disassembly/Reassembly
NOTE:
Identify each part as it is removed so that each item can be reinstalled
in its original location.
Inspect the rocker arm shaft and the rocker arms.
If reused, the ...