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:
DTC Troubleshooting
PTC 11 -1x { " x " can be 0 ,2 thru 3 or A thru F):
Open io the Driver's Airbag First Inflator
DTC 11-4x ("x" can be 0,2 thru 9 or A thru F):
Open in the Driver's Airbag Second ...
Interior Light Switch
Test/Replacement
With moonroof
NOTE: The Interior light switch is built into the moonroof
switch, and it switches the front individual map light OFF
and DOOR positions.
1. Remove the front individual map lights ...
Playing Discs (Models with navigation system)
Playing Discs (Models with navigation system)
Your vehicle’s audio system has an
in-dash disc changer with the same
controls used for the radio. To
operate the disc changer, the ignition
...