Honda Accord: 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 the frame brace (see page 20-306).
7. Remove the A/F sensor (Sensor 1) (see page 11-197).
8. Remove the upper converter cover (A).

9. Remove the WU-TWC (B) and the gaskets (C).
10. Remove the converter cover (A).

11. Install the parts in the reverse order of removal with new gaskets.
DTC Troubleshooting
DTC P0420: Catalyst System Efficiency Below
Threshold
NOTE:
- Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see pa ...
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 s ...
See also:
Playing a USB Flash Memory Device (Models with navigation system)
Playing a USB Flash Memory Device (Models with navigation system) ...
Brake Booster Test
Functional Test
1. With the ignition switch in LOCK (0), press the brake
pedal several times to deplete the vacuum reservoir,
then press the brake pedal hard and hold it for
15 seconds. If the bra ...
Rocker Arm Oil Pressure Switch B
Removal/Installation
PZEV model
1. Remove the rocker arm oil control valve (see page
11-275).
2. Remove rocker arm oil pressure switch B.
3. Install the parts in the reverse order of removal with a
new O-ring (A) ...