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:
Symptom Troubleshooting Index
...
Output Shaft (Countershaft) Speed
Sensor Replacement
1. Remove the nut securing the under-hood fuse/relay
box, and swing it out of the way.
2. Remove the intake air duct and the air cleaner
housing.
3. Disconnect the output shaft (countershaft) ...
Rear Seats
• Folding Down the Rear Seat
1. Remove the center shoulder belt from the
guide.
2. Pull the release lever in the trunk to release
the lock.
3. Fold the seat-back down.
If the rear head ...