Charcoal Canister, Canister Vent (CV) Solenoid Valve, Air Filter Component Inspection

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.5] .)
2. Remove the charcoal canister, CV solenoid valve, air filter component. (See CHARCOAL CANISTER, CANISTER VENT (CV) SOLENOID VALVE, AIR FILTER COMPONENT REMOVAL/INSTALLATION .)
3. Plug the purge solenoid valve side of the charcoal canister.
4. Pressurizing from the fuel tank side of the charcoal canister, verify that there is no leak from the charcoal canister and that the CV solenoid valve is closed.
   • If malfunction, replace the charcoal canister, CV solenoid valve, air filter component. (See CHARCOAL CANISTER, CANISTER VENT (CV) SOLENOID VALVE, AIR FILTER COMPONENT REMOVAL/INSTALLATION .)
   Fig 1: Inspecting Air Flow In Charcoal Canister, Canister Vent (CV) Solenoid Valve And Air Filter

   Courtesy of MAZDA MOTORS CORP.
5. Connect the battery positive voltage to CV solenoid valve terminal A.
6. Pressurizing from the fuel tank side of the charcoal canister, verify that the CV solenoid valve is open and that there is airflow through the air filter.

• If malfunction, replace the charcoal canister, CV solenoid valve, air filter component. (See CHARCOAL CANISTER, CANISTER VENT (CV) SOLENOID VALVE, AIR FILTER COMPONENT REMOVAL/INSTALLATION .)

Fig 2: CV Solenoid Valve Connector Terminals

Courtesy of MAZDA MOTORS CORP.