MULTI AIR CHAMBER TIRE, VENTILATION MEMBER, METHOD FOR CONTROLLING INTERNAL PRESSURE OF MULTI AIR CHAMBER TIRE, AND METHOD FOR CONTROLLING VENTILATION MEMBER

A multi air chamber tire includes a partition wall configured to define and form a plurality of air chambers disposed adjacent to each other in an inner cavity of a tire, and a ventilation member provided to the partition wall , and configured to connect the plurality of air chambers in a state where ventilation is allowed. The ventilation member allows ventilation between the plurality of air chambers when a predetermined condition is satisfied indicating that fluid is being injected into at least one of the plurality of air chambers from outside of the tire, and the ventilation member shuts off the ventilation between the plurality of air chambers when the predetermined condition is not satisfied.