Honda Accord: 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:
Block and Piston inspection
1. Remove the crankshaft and the pistons (see page
7-14).
2. Check the piston for distortion or cracks.
3. Measure the piston diameter at a point 13 mm (0.5 in)
from the bottom of the skirt. T ...
Recirculation Control Motor Test
'08-09 models 4-door with A/T and "10 model
with A/T
NOTE: Before testing the motor, check for HVAC DTCs
(see page 21-9).
1. Disconnect the 7P connector from the recirculation
control moto ...
Moonroof Control Unit input Test
NOTE; If the moonroof works OK manually, but will not work in AUTO, or
reverses frequently (obstacle detection), reset
the moonroof (see page 22-371) before proceeding with the input test
1. Turn ...