CHARCOAL CANISTER INSPECTION [MZR 1.3, MZR 1.5]

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Leakage Inspection

1.  Remove the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)

2.  Perform the following procedure:

•  Assemble the hose used for inspection to port A.
•  Cover ports B and C with the caps.
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Caution
•  Do not apply a pressure 20 kPa {0.2 kgf/cm2, 2.9 psi} or more to the charcoal canister for 1 min. or more. Doing so will damage the charcoal canister.

3.  Apply pressure (19.6 kPa {0.20 kgf/cm2, 2.84 psi}) through the hose, and verify that air does not leak from the charcoal canister.

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•  If there is airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)
•  If there is no airflow, perform the following “Airflow Inspection”. (See Airflow Inspection.)


Airflow Inspection

1.  Remove the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)

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

Between port A and port B
1.  Plug the port C.
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2.  Apply a pressure of 19.6 kPa {0.20 kgf/cm2, 2.84 psi} to port A.
3.  Verify that there is airflow form port B.
•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)
Between port A and port C
1.  Plug the port B.
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2.  Apply a pressure of 19.6 kPa {0.20 kgf/cm2, 2.84 psi} to port A.
3.  Verify that there is airflow form port C.
•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)
Between port B and port C
1.  Plug the port A.
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2.  Apply a pressure of 19.6 kPa {0.20 kgf/cm2, 2.84 psi} to port B.
3.  Verify that there is airflow form port C.
•  If there is no airflow, replace the charcoal canister. (See CHARCOAL CANISTER REMOVAL/INSTALLATION [MZR 1.3, MZR 1.5].)