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ON BOARD REFUELING VAPOR RECOVERY (ORVR) EC-489 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O Check if water will drain from EVAP canister (1). Does water drain from the EVAP canister? YES >> GO TO 9. NO >> GO TO 11. 9. REPLACE EVAP CANISTER Replace EVAP canister with a new one. >> GO TO 10. 10. DETECT MALFUNCTIONING PART Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection. >> Repair or replace EVAP hose. 11. CHECK VENT HOSES AND VENT TUBES Check hoses and tubes between EVAP canister and refueling control valve for clogging, kinks, looseness and Is the inspection result normal? YES >> GO TO 12. NO >> Repair or replace hoses and tubes. 12. CHECK FILLER NECK TUBE Check recirculation line for clogging, dents and cracks. Is the inspection result normal? YES >> GO TO 13. NO >> Replace filler neck tube. 13. CHECK REFUELING EVAP VAPOR CUT VALVE EC-490, "Component Inspection" Is the inspection result normal? YES >> GO TO 14. NO >> Replace refueling EVAP vapor cut valve with fuel tank. 14. CHECK FUEL FILLER TUBE Check filler neck tube and hose connected to the fuel tank for clogging, dents and cracks. YES >> GO TO 15. NO >> Replace fuel filler tube. 15. CHECK ONE-WAY FUEL VALVE-I Check one-way valve for clogging. Is the inspection result normal? YES >> GO TO 16. NO >> Repair or replace one-way fuel valve with fuel tank. 16. CHECK ONE-WAY FUEL VALVE-II 1. Check that fuel is drained from the tank. 2. Remove fuel filler tube and hose. 2 : EVAP canister vent control valve PBIB2731E |