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EC-478 < DTC/CIRCUIT DIAGNOSIS > [VQ40DE] ON BOARD REFUELING VAPOR RECOVERY (ORVR) NG >> Repair or replace one-way fuel valve with fuel tank. Refer to FL-6, "Removal and Installation" . 11. CHECK ONE-WAY FUEL VALVE-II 1. Make sure that fuel is drained from the tank. 2. Remove fuel filler tube and hose. 3. Check one-way fuel valve for operation as follows. When a stick is inserted, the valve should open, when removing stick it should close. Do not drop any material into the tank. OK or NG OK >> INSPECTION END NG >> Replace fuel filler tube or replace one-way fuel valve with fuel tank. Refer to FL-6, "Removal and Installation" . Component Inspection INFOID:0000000009484230 REFUELING EVAP VAPOR CUT VALVE With CONSULT 1. Remove fuel tank. Refer to FL-6, "Removal and Installation" 2. Drain fuel from the tank as follows: side to a fuel container. c. Drain fuel using “FUEL PUMP RELAY” in “ACTIVE TEST” mode with CONSULT. 3. Check refueling EVAP vapor cut valve for being stuck to close as follows. Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank. 4. Check refueling EVAP vapor cut valve for being stuck to open as follows. Always replace O-ring with new one. c. Turn fuel tank upside down. d. Apply vacuum pressure to hose end [ −13.3 kPa (−100 mmHg, −3.94 inHg)] with fuel gauge retainer remaining open and check that the pressure is applicable. Without CONSULT SEF665U BBIA0568E |