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EC-278 < COMPONENT DIAGNOSIS > [VQ40DE] P0456 EVAP CONTROL SYSTEM 4. Using EVAP leak detector, locate the EVAP leak. For the leak . OK or NG OK >> GO TO 8. NG >> Repair or replace. 7. CHECK FOR EVAP LEAK Without CONSULT-III 1. Turn ignition switch OFF. 2. Apply 12 volts DC to EVAP canister vent control valve (3). The - Fuel filler pipe (top of frame view) (1) - EVAP control system pressure sensor (2) - EVAP canister (4) - Drain filter (5) - : Vehicle front 3. Pressurize the EVAP line using pressure pump with 1.38 to 2.76 2 , 0.2 to 0.4 psi), then remove pump and EVAP service port adapter. CAUTION: • Never use compressed air or a high pressure pump. 2 , 0.6 psi) of pressure in the system. 4. Using EVAP leak detector, locate the EVAP leak. For the leak . OK or NG OK >> GO TO 8. NG >> Repair or replace. 8. CHECK EVAP CANISTER VENT CONTROL VALVE Check the following. EC-487, "Removal and Installation" . • EVAP canister vent control valve. EC-248, "Component Inspection" . OK or NG OK >> GO TO 9. NG >> Repair or replace EVAP canister vent control valve and O-ring. 9. CHECK IF EVAP CANISTER IS SATURATED WITH WATER 1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor SEF200U AWBIA0134ZZ SEF200U 2009 Pathfinder |