Mazda CX-9 Grand Touring 2009 Manual page 799

2008 ENGINE PERFORMANCE Emission System (MZI-3.7) - Mazda CX-9
Fig. 9: Identifying Purge Solenoid Valve And Fuel Tank
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 [MZI-3.7].)
Fig. 10: Identifying CV Solenoid Valve Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.
7. Pressurizing from the air filter side, 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 [MZI-3.7].)
CV SOLENOID VALVE CIRCUIT OPEN/SHORT INSPECTION
1. Disconnect the PCM connector.
2. Inspect the following wiring harness for open or short circuit (continuity check).
2008 Mazda CX-9 Grand Touring