PURGE SOLENOID VALVE CONSTRUCTION/OPERATION [13B-MSP]
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• Installed to the catch tank integrated with the extension manifold (upper).
• Mainly consists of a solenoid coil, spring, and a plunger.
• Opens and closes the solenoid valve path according to purge solenoid valve control signals (duty signals) from the PCM in order to adjust the amount of evaporative gas sent to the extension manifold (upper) in accordance with engine conditions.
• When the PCM signal is given to the solenoid coil, it energizes and becomes an electromagnet, pulling in the plunger. This opens a path between ports, and evaporative gas is drawn into the intake-air system by intake manifold negative pressure.