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:
Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) [Full
Auto Air Conditioner]
Purpose
The power MOS FET controls the blower motor rotation speed.
Function
The power MOS FET controls the supply voltage to the blower motor based on
the gate voltage sent from the climate control unit, and adjusts the fan rotation
speed (airflow volume).
Constructi ...
Fuel Gauge Sender Unit Removal/Installation [2 Wd]
WARNING:
Always keep sparks and flames away from fuel when servicing the fuel system.
Fuel can be easily ignited which could cause serious injury or death, and damage
to equipment.
Fuel line spills and leakage from the pressurized fuel system are dangerous.
Fuel can ignite a ...
Tire Pressure Monitoring System Warning Light
Purpose, Function
The tire pressure monitoring system warning light notifies the driver that
it was determined that a tire pressure has decreased below the specified value
based on the initialization.
The tire pressure monitoring system warning light notifies the driver that
...
