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:
Parking Mechanism [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The parking mechanism locks the output gear when the selector lever is shifted
to the P position which locks the driving wheels against rotation to prevent
coasting when parking the vehicle.
Construction/Operation
For component parts related to the parking ...
Pre Tensioner Seat Belt [Standard Deployment Control System]
Purpose
The pre-tensioner seat belt retracts and tightens the seat belt webbing to
protect the front passengers during a collision.
Function
The pre-tensioner seat belts operate (deploy) based on the operation signal
from the SAS control module to instantly retract and tigh ...
Quick Release Connector (Emission System)
Purpose, Function
Serviceability has been improved by the easy disconnection/connection.
Construction
The following types of quick release connectors are used.
U.S.A. and CANADA
Except U.S.A and CANADA
Type A
An SST is not used with this type.
...
