Airflow inspection

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Perform the following procedure to verify the charcoal canister airflow.
Between port A and port C
- Plug the port B.
  
  Fig 1: Applying Pressure To Port A
  Courtesy of MAZDA MOTORS CORP.
- Apply a pressure of 0.98 kPa {7.4 mmHg, 0.29 inHg} 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 2: Applying Pressure To Port C
  Courtesy of MAZDA MOTORS CORP.
- Apply a pressure of 0.98 kPa {7.4 mmHg, 0.29 inHg} to port C.
- Verify that there is airflow from port B.
  - If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION .)