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:
Air Mix Control Motor Test
NOTE: Before testing the motor, check for HVAC DTCs
(see page 21-9).
1. Disconnect the 7P connector from the air mix control
motor.
Incorrectly applying power and ground to the air mix
contro ...
Throttle Body Removal/Installation
Do not insert your fingers into the installed throttle body when you turn
the ignition switch to ON (II) or while the
ignition switch is in ON (II). If you do, you will seriously injure your finger ...
Component Location Index
4-door
2-door
...