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EC-766 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] P0447 EVAP CANISTER VENT CONTROL VALVE 6. DETECT MALFUNCTIONING PART Check the following. • Harness connectors E41, C1 • Harness for open or short between EVAP canister vent control valve and ECM >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK RUBBER TUBE FOR CLOGGING 1. Disconnect rubber tube connected to EVAP canister vent control valve. 2. Check the rubber tube for clogging. OK >> GO TO 8. NG >> Clean the rubber tube using an air blower. 8. CHECK DRAIN FILTER EC-766, "Component Inspection" OK or NG OK >> GO TO 9. NG >> Replace drain filter. Refer to . 9. CHECK EVAP CANISTER VENT CONTROL VALVE EC-766, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace EVAP canister vent control valve. Refer to FL-16, "Removal and Installation" . 10. CHECK INTERMITTENT INCIDENT GI-37, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000006244412 EVAP CANISTER VENT CONTROL VALVE With CONSULT-III 1. Remove EVAP canister vent control valve from EVAP canister. Refer to FL-16, "Removal and Installation" . 2. Check portion B of EVAP canister vent control valve for being rusted. If NG, replace EVAP canister vent control valve. Refer to If OK, go to next step. 3. Reconnect harness connectors disconnected. Check that new O-ring is installed properly. Operation takes less than 1 second. If NG, go to next step. 7. Clean the air passage (portion A to B) of EVAP canister vent control valve using an air blower. VENT CONTROL/V Condition Air passage continuity between A and B ON No OFF Yes PBIB1033E 2011 Pathfinder |