Mazda 2006 MX-5 - Variable Intake Air Shutter; Variable Intake Air Shutter Valve Actuator Construction;Operation; Construction; Operation

INTAKE-AIR SYSTEM
01–13–8
VARIABLE INTAKE AIR SHUTTER VALVE ACTUATOR FUNCTION [LF]
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• Opens and closes the variable intake air shutter valve.
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VARIABLE INTAKE AIR SHUTTER VALVE ACTUATOR CONSTRUCTION/OPERATION [LF]
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Construction
• Mainly consists of the body, rod, diaphragm chamber and spring.
Operation
• Normally, the spring force presses against the rod, keeping the variable intake air shutter valve open. When
vacuum is applied to the diaphragm chamber from the dynamic chamber, the rod is pulled, closing the variable
intake air shutter valve.
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VARIABLE INTAKE AIR
SHUTTER VALVE OPEN
ROD
VARIABLE INTAKE AIR
SHUTTER VALVE CLOSED
VARIABLE INTAKE AIR
SHUTTER VALVE
SPRING
DIAPHRAGM
CHAMBER
INTAKE
MANIFOLD
VACUUM
E5U113ZS5007