Kia Sportage: Exhaust Emission Control System / Catalytic Converter Description and operation
The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes
carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides
of nitrogen (NOx).
Catalytic Converter (WCC)

Catalytic Converter (UCC)

Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications
and the addition of special control components.
Modifications to the combust ...
Removal
WCC
1.
Remove the exhaust manifold.
(Refer to Engine Mechanical System - "Exhaust Manifold")
UCC
1.
R ...
Other information:
Circuit Diagram
4WD ECU Connector
4WD ECU Terminal function
Pin
Function
1
CAN communication line (Low)
2
CAN communication line (High)
3
-
...
When ignition switch is turned to ON, the indicator light illuminates, then goes
off if the ESC system is operating normally.
The ESC indicator light blinks whenever ESC is operating or illuminates when
ESC fails to operate.
The ESC OFF indicator light comes on when the ESC is turned off wit ...