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).
Using Voice Control
When you see in this manual,
voice commands are available for
that feature.
►Say the letter, number, or symbol (e.g., say
“A”).
Use spelling assist (e.g., say
“Alpha” ...
Radio Commands
Radio*
Radio on
Radio off
Radio select FM1
Radio select FM2
Radio select AM
Radio tune to # FM (#: frequency,
e.g., 95.5)
Radio tune to # AM (#: frequency,
e.g., 1020)
Radio seek up
Radio s ...
Find Place Commands
Find nearest (specify place):
Auto service center
ACURA dealers
HONDA dealers
Gas station
Hydrogen station
Auto parts & electronics shop
Auto repair & maintenance shop
Car wash & d ...