Other information:
Removal
1.
Disconnect the PCV hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side
to check that the plunger ...
This is used to select the outside (fresh) air position or recirculated air position.
To change the air intake control position, push the control button.
Outside (fresh) air position
With the outside (fresh) air position selected, air enters the vehicle from outside
and is heated or cooled ...