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ON BOARD REFUELING VAPOR RECOVERY (ORVR) EC-1225 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection. >> Repair or replace EVAP hose. 7. CHECK REFUELING EVAP VAPOR CUT VALVE EC-1226, "Component Inspection (Refueling EVAP vapor cut valve)" Is the inspection result normal? YES >> INSPECTION END NO >> Replace refueling EVAP vapor cut valve with fuel tank. 8. CHECK EVAP CANISTER 1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached. 2. Weigh the EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached. The weight should be less than 1.9 kg (4.2 lb). Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 10. 9. CHECK IF EVAP CANISTER IS SATURATED WITH WATER Check if water will drain from EVAP canister. YES >> GO TO 10. NO >> GO TO 13. 10. REPLACE EVAP CANISTER Replace EVAP canister with a new one. >> GO TO 11. 11. CHECK DRAIN FILTER EC-1228, "Component Inspection (Drain filter)" Is the inspection result normal? OK >> GO TO 12. NO >> Replace drain filter. 12. DETECT MALFUNCTIONING PART Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection. >> Repair or replace EVAP hose. 13. CHECK VENT HOSES AND VENT TUBES Check hoses and tubes between EVAP canister and refueling control valve for clogging, kink, looseness and improper connection. YES >> GO TO 14. NO >> Repair or replace hoses and tubes. 14. CHECK RECIRCULATION LINE PBIB1213E |