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EC-438 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] ON BOARD REFUELING VAPOR RECOVERY (ORVR) ON BOARD REFUELING VAPOR RECOVERY (ORVR) Component Function Check INFOID:0000000009651299 1. CHECK ORVR FUNCTION Check whether the following symptoms are present. Are any symptoms present? YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009651300 1. INSPECTION START Check whether the following symptoms are present. A or B A >> GO TO 2. B >> GO TO 7. 2. CHECK EVAP CANISTER 1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor . 2. Weigh the EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 4. 3. CHECK IF EVAP CANISTER IS SATURATED WITH WATER Check if water will drain from EVAP canister YES >> GO TO 4. NO >> GO TO 6. 4. REPLACE EVAP CANISTER Replace EVAP canister with a new one. Refer to >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connection. >> Repair or replace EVAP hose. Refer to 6. CHECK REFUELING EVAP VAPOR CUT VALVE Check refueling EVAP vapor cut valve. Refer to EC-440, "Component Inspection" JMBIA1134GB |