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:
Front Side Frame Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 15 locations indicated by (A) shown in the figure.
2. Drill the 4 locations indicated by (B) shown in the figure.
NOTE:
When drilling the 4 locations indicated by (B) shown in the figure, do not
drill a hole all the way through or there ...
High Pressure Fuel Pump Control
Outline
Changes the fuel pressure applied to the fuel injector according to engine
operation conditions to improve engine output and startability.
The PCM determines the fuel pressure value corresponding to the engine operation
conditions based on the each input signal, and driv ...
Front Door Hinge Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front bumper.
b. Front combination light.
c. Front bumper slider.
d. Front over fender.
e. Front fender panel.
f. Front door.
3. Remove in the order shown in the figure.
1
Bolt
...
