Mazda CX-5 Service & Repair Manual: Exhaust Gas Purification System
Purpose, Outline
-
Purifies contaminants (HC, CO, NOx) in the exhaust gas by utilizing the chemical reactions of the three-way catalytic converter.
System Diagram
Structure
-
The exhaust gas purification system consists of the following parts:
|
Part name |
Reference |
|
WU-TWC |
(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].) |
|
TWC |
Evaporative Emission (Evap) Control System
Purpose, Outline
Prevents release of evaporative gas into the atmosphere.
The intake manifold vacuum introduces evaporative gas to the intake manifold
via the charcoal canister and t ...
Positive Crankcase Ventilation (PCV) System
Purpose, Outline
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The intake manifold vacuum introduces blow-by gas to the intake manifold
via the PCV valve and the ...
Other materials:
Oil Pan
Purpose, Function
The engine oil required for lubrication in the engine accumulates in the
oil pan.
Construction
The oil pan is installed on the lower part of the cylinder block.
Silicone sealant with excellent sealing has been adopted for the oil pan
gask ...
Efficient Installation Of Body Panels
Checking Preweld Measurements And Watching
Align to the standard reference dimensions, based upon the body dimensions
illustration, so that new parts are installed in the correct position.
Welding Notes
For the number of weld points, welding should be performed in accord ...
Adaptive Front Lighting System (Afs) Control Module Removal/Installation
NOTE:
The AFS control module prior to replacement stores the vehicle specification
information.
A new AFS control module does not store any vehicle specification information.
When the ignition is switched ON after the AFS control module is replaced,
the AFS control modu ...
