Mazda CX-5 Service & Repair Manual: Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
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Prevents release of blow-by gas (unburnt gas) into the atmosphere.
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The PCV valve is open/closed by the intake manifold vacuum.
Construction
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The PCV valve is installed to the oil separator.
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The PCV valve consists of a spring and valve.
Operation
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When the valve is pulled by the intake manifold vacuum, blow-by gas flows to the intake manifold.
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Blow-by gas flow amount is adjusted by the spring according to the intake manifold vacuum.
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
...
Purge Solenoid Valve Inspection
Airflow Inspection
1. Disconnect the negative battery cable..
2. Remove the purge solenoid valve..
3. Inspect airflow between the ports under the following conditions.
...
Other materials:
Front Console Box Removal/Installation
NOTE:
Affix protective tape to the position shown in the figure.
1. Insert a tape-wrapped flathead screwdriver in the position indicated by the
arrow in the figure and detach clips A.
2. Pull the front console box in the direction of the arrow (2) and remove it
while d ...
Start Stop Unit Configuration (Using As Built Data)
NOTE:
If the configuration is performed using As-Built data, the set value of the
personalization function is reset to the initial value (condition when shipped
from factory). Verify the set value with the customer and perform the personalization
function setting after performing th ...
Rear Console Disassembly/Assembly
1. Disassemble in the order indicated in the table.
1
Screw A
2
Rear console bracket
3
Screw B
4
Side panel
5
Rear console box
6
U ...
