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 Cooler Removal/Installation [Fw6 A EL, Fw6 Ax EL]
1. Disconnect the negative battery cable..
2. Remove the front under cover No.2..
3. Drain the ATF..
4. Drain the engine coolant..
5. Remove in the order indicated in the table.
1
Water hose (connected to the water pipe)
2
Water hose ...
Fan Switch Inspection [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Shift lever knob (MTX).
b. Glove compartment.
c. Front console box.
d. Shift panel.
e. Upper panel.
f. Rear console.
g. Side wall.
h. Decoration panel.
i. Front console.
3. Remove the climate control u ...
Rear Bumper Removal/Installation
CAUTION:
Affix the protective tape to the position (body side) shown in the figure.
1. Disconnect the negative battery cable..
2. Remove the rear combination light..
3. Remove fasteners A.
4. Pull the rear over fender in the direction of the arrow shown in the figure
...
