Mazda 3 Service Manual: Charcoal Canister Inspection [Mzr 2.0, Mzr 2.5]

Leakage Inspection

1. Perform the following procedures:

• Assemble the hose used for inspection to port A.

• Cover ports B and C with the caps.

Except for Mexico

Mexico

CAUTION:

• Do not apply a pressure 20 kPa {150 mmHg, 5.91 inHg} or more to the charcoal canister for 1 min. or more. Doing so will damage the charcoal canister.

2. Apply pressure (19.6 kPa {147 mmHg, 5.79 inHg}

) through the hose, and verify that air does not leak from the charcoal canister.

Except for Mexico

Mexico

• If there is airflow, replace the charcoal canister..

• If there is no airflow, perform the following “Airflow Inspection”.

Airflow Inspection

1. Perform the following procedure to verify the charcoal canister airflow.

Between port A and port B

• Plug the port C.

  Except for Mexico

  

  
  

  Mexico

  

  
  

• Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg}

  to port A.

• Verify that there is airflow from port B.

• If there is no airflow, replace the charcoal canister..

Between port A and port C

• Plug the port B.

  Except for Mexico

  

  
  

  Mexico

  

  
  

• Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg}

  to port A.

• Verify that there is airflow from port C.

• If there is no airflow, replace the charcoal canister..

Between port B and port C

• Plug the port A.

  Except for Mexico

  

  
  

  Mexico

  

  
  

• Apply a pressure of 19.6 kPa {147 mmHg, 5.79 inHg}

  to port B.

• Verify that there is airflow from port C.

• If there is no airflow, replace the charcoal canister..