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DTC P1491 VACUUM CUT VALVE BYPASS VALVE EC-589 C D E F G H I J K L M A EC 7. CHECK BYPASS HOSE Check bypass hoses for clogging. OK or NG OK >> GO TO 8. NG >> Repair or replace hoses. 8. CHECK VACUUM CUT VALVE BYPASS VALVE Refer to EC-590, "Component Inspection" OK or NG OK >> GO TO 9. NG >> Replace vacuum cut valve bypass valve. 9. CHECK VACUUM CUT VALVE Refer to EC-590, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace vacuum cut valve. 10. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR HOSE 1. Turn ignition switch “OFF”. 2. Check disconnection or improper connection of hose connected to EVAP control system pressure sensor. OK or NG OK >> GO TO 11. NG >> Repair or replace. 11. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR 1. Disconnect EVAP control system pressure sensor harness connector. 2. Check connectors for water. OK or NG OK >> GO TO 12. NG >> Replace EVAP control system pressure sensor. 12. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR Refer to EC-365, "Component Inspection" OK or NG OK >> GO TO 13. NG >> Replace EVAP control system pressure sensor. 13. CHECK RUBBER TUBE FOR CLOGGING 1. Disconnect rubber tube connected to EVAP canister vent control valve. 2. Check the rubber tube for clogging. OK or NG OK >> GO TO 14. NG >> Clean the rubber tube using an air blower. Water should not exist. |