Mazda CX-5 Service & Repair Manual: Emission System
Purpose, Outline
-
A single-nano catalyst has been adopted for the under-floor, three-way catalyst to improve emission gas purification efficiency.
Structural View
Engine compartment side
Exhaust system side
2WD
AWD
Fuel tank side
U.S.A. and CANADA (2WD)
U.S.A. and CANADA (AWD)
Except U.S.A. and CANADA (2WD)
Except U.S.A. and CANADA (AWD)
System Diagram
Vacuum Hose Routing Diagram
Structure
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The emission system consists of the following parts:
|
Part/System name |
Reference |
|
|
Exhaust gas purification system (See EXHAUST GAS PURIFICATION SYSTEM [SKYACTIV-G 2.0].) |
Catalytic converter |
(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].) |
|
Positive crankcase ventilation system (See POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM [SKYACTIV-G 2.0].) |
PCV valve |
(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.0].) |
|
Evaporative emission control system (See EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM [SKYACTIV-G 2.0].) |
Purge solenoid valve |
(See PURGE SOLENOID VALVE [SKYACTIV-G 2.0].) |
|
Catch tank |
(See CATCH TANK [SKYACTIV-G 2.0].) |
|
|
Charcoal canister |
(See CHARCOAL CANISTER [SKYACTIV-G 2.0].) |
|
|
Fuel shut-off valve |
(See FUEL SHUT-OFF VALVE [SKYACTIV-G 2.0].) |
|
|
Rollover valve |
(See ROLLOVER VALVE [SKYACTIV-G 2.0].) |
|
|
Fuel-filler cap |
(See FUEL-FILLER CAP [SKYACTIV-G 2.0].) |
|
|
CV solenoid valve |
(See CANISTER VENT (CV) SOLENOID VALVE [SKYACTIV-G 2.0].) |
|
|
Pressure control valve |
(See PRESSURE CONTROL VALVE [SKYACTIV-G 2.0].) |
|
|
Quick release connector (emission system) |
(See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) [SKYACTIV-G 2.0].) |
|
Except U.S.A. and CANADA
|
Part/System name |
Reference |
|
|
Exhaust gas purification system (See EXHAUST GAS PURIFICATION SYSTEM [SKYACTIV-G 2.0].) |
Catalytic converter |
(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].) |
|
Positive crankcase ventilation system (See POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM [SKYACTIV-G 2.0].) |
PCV valve |
(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.0].) |
|
Evaporative emission control system (See EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM [SKYACTIV-G 2.0].) |
Purge solenoid valve |
(See PURGE SOLENOID VALVE [SKYACTIV-G 2.0].) |
|
Catch tank |
(See CATCH TANK [SKYACTIV-G 2.0].) |
|
|
Charcoal canister |
(See CHARCOAL CANISTER [SKYACTIV-G 2.0].) |
|
|
Check valve |
(See CHECK VALVE [SKYACTIV-G 2.0].) |
|
|
Rollover valve |
(See ROLLOVER VALVE [SKYACTIV-G 2.0].) |
|
|
Fuel-filler cap |
(See FUEL-FILLER CAP [SKYACTIV-G 2.0].) |
|
|
Quick release connector (emission system) |
(See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) [SKYACTIV-G 2.0].) |
|
Specification
|
Item |
Specification |
|
Catalyst form |
WU-TWC (monolith) TWC (monolith) |
|
EVAP control system |
Charcoal canister type |
|
PCV system |
Closed type |
Check Valve
Except U.S.A. And CANADA
Purpose, function
The check valve maintain the pressure in the fuel tank at constant pressure.
Construction
The check valve is installed to the side of th ...
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 ...
Other materials:
Front Tilt Motor Inspection
WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the
air bag, which may seriously injure you. Read the service warnings/cautions
in the Workshop Manual before handling the front seat (side air bag integrated)..
CAUTION:
When performing the pro ...
Liftgate Light
Purpose
The liftgate lights are used to signal the following conditions to vehicles/people
at the rear.
Back-up lights: Signals that the vehicle is backing up.
Taillights: Signals the presence of the vehicle during nighttime.
Function
The back-up ...
Starting a Flooded Engine
If the engine fails to start, it may be flooded (excessive fuel in the engine).
Follow this procedure:
1. If the engine does not start within five seconds on the first try, wait ten
seconds and try again.
2. Make sure the parking brake is on.
3. Depress the accelerator all the way and hold it ...
