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:
Front HFL-ANC Microphone
Removal/Installation
NOTE:
• Put on gloves to protect your hands.
• Take care not to scratch the dashboard and related
parts.
• Lay a workshop towel under the parts when working
on them to protect ...
Input Shaft (Mainshaft) 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 input shaft (mainshaft) spee ...
DTC Troubleshooting
DTC 11,13,15,17: Tire Low Air Pressure
NOTE: If low tire pressure is detected, the TPMS control
unit sets one or more of these DTCs, and turns on the
low tire pressure indicator. If the low tire pr ...