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.
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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:
Positive Crankcase Ventilation (PCV) Valve Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the intake manifold..
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
1
PCV hose
2
Oil separator
3
Retainer
( ...
Barometric Pressure (Baro) Sensor Inspection
Voltage Inspection
NOTE:
Because the BARO sensor is integrated in the PCM, replacing the BARO sensor
includes replacement of the PCM.
1. Connect the M-MDS to the DLC?2.
2. Switch the ignition ON (engine off or on).
3. Verify that the BARO sensor output voltage (PID: BARO) is wi ...
Seat Track Position Sensor [Two Step Deployment Control System]
Purpose
The seat track position sensor detects the front and back positions of the
driver seat.
Function
The seat track position sensor converts the seat position into an electrical
signal and sends it to the SAS control module.
Construction
The seat track posi ...