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:
Idle Speed Inspection
NOTE:
- Before checking the idle speed, check these items:
- The malfunction indicator lamp (MIL) has not been
reported on, and there are no DTCs.
- Ignition timing
- Spark plug ...
ECM/PCM Update
Special Tools Required
- Honda diagnostic system (HDS) tablet tester
- Honda Interface Module (HIM) and an iN workstation
with the latest HDS software version
- HDS pocket tester ...
Vehicle Stability Assist (VSA ), aka Electronic Stability
Control (ESC), System
The vehicle stability assist (VSA)
system helps to stabilize the vehicle
during cornering if the vehicle turns
more or less than desired. It also
assists you in maintaining traction
while ac ...