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:
Rear Window Wiper and Washer
The ignition must be switched ON.
Rear WindowWiper
Turn the wiper on by turning the rear wiper/washer switch.
Rear WindowWasher
To spray washer fluid, turn the rear wiper/ washer switch to the
position. After the switch is released,
the washer will stop.
If the washer does not work, ins ...
Front Door Checker Removal/Installation
CAUTION:
When the front door checker securing bolts are removed, the front door may
open until it contacts the front fender panel causing the front door and the
front fender panel to be damaged. Before removing the front door, overlap and
adhere the protective tape to the position s ...
Differential Oil Temperature Sensor Removal/Installation
WARNING:
Hot differential oil may cause severe burns. Do not perform maintenance while
differential oil is hot.
1. Disconnect the negative battery cable.
2. Disconnect the differential oil temperature sensor connector.
3. Remove the differential oil temperature sensor.
4. ...
