Other information:
Removal
1.
Disconnect the battery negative terminal, and wait for at least three
minutes before beginning to work.
2.
Remove the door scurff trim.
(Refer to Body (Interior and Exterior) - "Door scuff trim")
...
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV
valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Run the engine at idle, then put a finger over the open end ...