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).
Refilling Window Washer Fluid
Models without washer level sensor
Check the amount of window washer fluid. Look for 1/2 mark on the reservoir.
If the level is low, fill the washer reservoir.
Models with washer level senso
If ...
System/Device Information
INFO button
► System/Device Information
View database, software, device, and vehicle identification information.
You will need this information when ordering a
map update. ...
Map Scale Commands
Display north up
Display heading up
Display zoom in
Display zoom out
Display (specify scale):
1/20 mile (80 m) scale
1/8 mile (200 m) scale
1/4 mile (400 m) scale
1/2 mile (800 m) scale
1 mil ...