Airflow Inspection

Perform the following procedure to verify the charcoal canister airflow.
Between port A and port B
- Plug the port C.
  
  Fig 1: Applying Pressure Between Port A And Port B
- Apply a pressure of 19.6 kPa {0.2 kgf/cm ² , 2.84 psi} to port A.
- Verify that there is airflow from port B.
  - If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION .)
  Between port A and port C
- Plug the port B.
  
  Fig 2: Applying Pressure Between Port A And Port C
- Apply a pressure of 19.6 kPa {0.2 kgf/cm ² , 2.84 psi} to port A.
- Verify that there is airflow from port C.
  - If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION .)
  Between port B and port C
- Plug the port A.
  
  Fig 3: Applying Pressure Between Port B And Port C
- Apply a pressure of 19.6 kPa {0.2 kgf/cm ² , 2.84 psi} to port B.
- Verify that there is airflow from port C.
  - If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION .)