Purge Solenoid Valve Function; Purge Solenoid Valve Construction/Operation - Mazda 2006 MX-5 Service Highlights

• New quick release connectors are fitted with a
checker tab that prevents improper fit. This
checker tab cannot normally be removed. When
the quick release connector is properly connected
to the connection point, the lock is released and
the checker tab comes off. Due to this, it can be
verified that the quick release connector is
completely connected.
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PURGE SOLENOID VALVE FUNCTION [LF]
• Adjusts the amount of evaporative gas to be introduced to the intake air system.
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PURGE SOLENOID VALVE CONSTRUCTION/OPERATION [LF]
• Installed on the air hose.
• Consists of a coil, spring and plunger.
• Opens and closes the passage in the solenoid
valve according to the purge solenoid valve
control signal (duty signal) from the PCM to
control the amount of evaporative gas to be
introduced to the dynamic chamber according to
engine operation conditions.
• The signal sent from the PCM energizes the coil
and it becomes magnetized, pulling the plunger.
The passage between the ports opens when the
plunger is pulled, and evaporative gas is
introduced to the intake air system according to
intake manifold vacuum.
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EMISSION SYSTEM
CHECKER TAB
FROM CHARCOAL
CANISTER
: FLOW OF EVAPORATIVE GAS
CONNECTION POINT
01–16
EPU113ZT4610
E5U011618744N01
E5U011618744N02
TO DYNAMIC
CHAMBER
E5U116ZW5042
01–16–11