| Operation Principle |

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.
Removal 1. Disconnect the vapor hose (A). 2. Remove the rubber pad (B), and then remove the PCV valve. Inspection 1. Insert a thin stick (A) into the PCV valve (B) of the threaded side to check that the plunger moves.
Inspection 1. Ignition "ON". 2. Turn on the head lamp switch. 3. Check that the aim of the head lamp changes smoothly when the head lamp leveling device switch is turned on. 4. If it does not operate well, check the connector and terminals to make sure that they are connected.
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the auto defogging connector. 3. Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.