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:
Compression Inspection
WARNING:
Hot engines and oil can cause severe burns. Be careful not to burn yourself
during removal/installation of each component.
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel ...
Push Button Start Inspection
1. Remove the push button start..
2. Verify that the continuity between the push button start terminals is as indicated
in the table.
If the continuity can be verified as indicated in the table, go to the next
step.
If not as indicated in the table, replace the push bu ...
Trip Computer Information System
Outline
The trip computer system displays the instantaneous fuel economy, average
fuel economy, remaining distance to empty, and the average vehicle speed.
The instrument cluster performs trip computer system fail-safe..
Function
The instrument cluster controls the tri ...
