Honda Fit: Fuel and Emissions System Description - Catalytic Converter System

Catalytic Converter   System

Warm Up Three Way Catalytic Converter   (WU-TWC) and Under-floor Three Way Catalytic Converter (Under-floor TWC)

The WU-TWC and the under-floor TWC convert hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) in the exhaust gas to carbon dioxide (CO2), nitrogen (N2), and water vapor.

WU-TWC (ATTACHED TO THE CYLINDER HEAD)

UNDER-FLOOR TWC

See also:

EPS Control Unit Removal/Installation
Do the battery terminal disconnection procedure. Remove the under-dash fuse/relay box. Disconnect EPS control unit connector A (11P) and connector B (16P) by pus ...

Transmission End Cover ATF Feed Pipe Replacement (A/T)
Remove the snap ring (A), the 3rd clutch feed pipe (B), and the feed pipe flange (C) from the end cover (D). Install a new O-ring (E) over the 3rd clutch feed pipe. In ...

Flywheel Inspection
Remove the ring gear holder. Inspect the ring gear teeth for wear and damage. Inspect the clutch disc mating surface on the flywheel for wear, cracks, and burning. ...