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 Control [Full Auto Air Conditioner]
Purpose
The air intake control switches the air intake port (FRESH/REC) according
to the vehicle environment.
Function
The air intake control drives the air intake actuator and switches the air
intake door position according to the operations of the REC, FRESH and defroster ...
Fluids in the A/C system
Refrigerant in the A/C system
The sticker in the motor compartment provides
information about the type and amount of refrigerant
used in the vehicle's A/C system. The sticker
is located in the front section of the motor
compartment or at the front or back of the hood.
Warning: the A/C system must on ...
Floor Side Panel Removal [Panel Replacement]
Symbol Mark
Removal Procedure
1. Drill the 35 locations indicated by (A) shown in the figure, then remove the
floor side panel No.1.
2. Drill the 5 locations indicated by (B) shown in the figure.
3. Drill the 4 locations indicated by (C) from rear wheel housing shown in the
figure. ...
