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:
Cooling Fan Motor Removal/Installation
WARNING:
Never remove the cooling system cap or loosen the radiator drain plug while
the engine is running, or when the engine and radiator are hot. Scalding engine
coolant and steam may shoot out and cause serious injury. It may also damage
the engine and cooling system.
Tu ...
Constant Monitoring
The following components of the air bag systems are monitored by a diagnostic
system:
• Crash sensors, and diagnostic module (SAS
unit)
• Front air bag sensors
• Air bag modules
• Side crash sensors
• Air bag/Front seat belt pretensioner system
warning light
• Fron ...
Washer Fluid Level Sensor
Purpose
The washer fluid-level sensor illuminates the low washer fluid level warning
light when the washer fluid level is lowered.
Function
The washer fluid-level sensor detects the decrease in the washer fluid level.
Construction
The washer fluid-level sensor con ...