Mazda CX-5 Service & Repair Manual: 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 the charcoal canister.
-
Mainly consists of valve, umbrella, and spring.
Operation
-
The valve moves in response to the difference in air pressure between the fuel tank side and the atmospheric side, thereby changing the path of airflow.
-
When the pressure in the fuel tank becomes negative due to fuel consumption or other factors, the path opens, drawing atmospheric air into the fuel tank.
Check Valve Removal/Installation
Except U.S.A. And CANADA
1. Remove the floor under cover..
2. Remove in the order indicated in the table.
1
Evaporative hose
2
Check valve
...
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 si ...
Other materials:
Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) Removal/Installation
[Full Auto Air Conditioner]
NOTE:
When removing the power MOS FET, perform the procedure in the posture shown
in the figure.
1. Disconnect the negative battery cable..
2. Remove the dashboard under cover..
3. Disconnect the connector.
4. Rotate the power MOS FET (2) while pressing the tab (1). ...
Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Disconnect the refrigerant pressure sensor connector.
CAUTION:
If moisture or foreign material enters the refrigeration cycle, cooling ability
will be lowered and abnormal noise will occur. Always immediate ...
Lighting Control
Headlights
• Turn the headlight switch to turn the headlights,
other exterior lights and dashboard illumination on or off.
• A system malfunction or operation conditions
are indicated by a warning.
Refer to Warning/Indicator Lights 5.
NOTE
• If the light switch is left on, the
light ...
