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:
Brake Booster Test
Functional Test
1. With the ignition switch in LOCK (0), press the brake
pedal several times to deplete the vacuum reservoir,
then press the brake pedal hard and hold it for
15 seconds. If the bra ...
Audio Remote Switch Test
1. Remove the steering wheel (see page 17-6).
2. Remove the audio remote switch (see page 17-7).
3. Measure the resistance between the terminals No. 1
and No. 8 in each switch position accordin ...
Self-diagnostic Function
The audio system has a self-diagnostic function.
NOTE:
• Not all self-diagnostic functions appear on all models.
• There may be other self-diagnostic functions that are for factory us ...