Honda Accord: Under-floorTWC Removal/Installation
Eighth generation (2008–2012) / Honda Accord MK8 2008-2012 Service Manual / Fuel and Emissions / Catalytic Converter System / Under-floorTWC Removal/Installation
1. Raise the vehicle on a lift.
2. Remove the exhaust pipe hangers (A).

3. Remove the under-floor TWC (B).
4. Install the parts in the reverse order of removal with new gaskets (C) and new self-locking nuts (D).
Warm Up TWC Removal/Installation
1. Raise the vehicle on a lift.
2. Remove the secondary H02S (Sensor 2) (see page
11-197).
3. Remove the bolts (A).
4. Remove the WU-TWC bracket (B).
5. Lower the vehicle.
6. Remove th ...
PCV System
...
See also:
Sunlight Sensor/Temperature Sensor
The climate control systemhas two
sensors: a sunlight sensor on top of
the dashboard, and a temperature
sensor next to the steering column.
Do not cover the sensors or spill any
liquid on t ...
DTC Troubleshooting
DTC indicator 1: An Open in the Air Mix
Control Motor Circuit
1. Turn the ignition switch to LOCK (0), and then to
ON (II).
2. Do the self-diagnostic function with the HVAC control
unit (see pa ...