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:
Air Intake Actuator [Manual Air Conditioner]
Purpose
The air intake actuator moves the air intake door in the blower unit to switch
the air intake port.
Function
The air intake actuator drives the motor based on the signal from the climate
control unit and moves the air intake door to the FRESH or REC position.
...
Keyless Beeper Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the cowl grille..
3. Disconnect the connector.
4. Pull the keyless buzzer in the direction of the arrow (2) shown in the figure
while pressing the keyless buzzer tab in the direction of the arrow (1) shown in
the figure, detach the k ...
Afs (Adaptive Front Lighting System) Control Module
Purpose
The AFS control module calculates the target optical axis based on the vehicle
height signal and outputs the target optical axis signal to the headlight leveling
actuator.
Function
The AFS control module performs control of the AFS and headlight auto leveling.
...