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P0447 EVAP CANISTER VENT CONTROL VALVE EC-245 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O No >> GO TO 3. 2. CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT With CONSULT-III 1. Turn ignition switch OFF and then turn ON. 2. Select “VENT CONTROL/V” in “ACTIVE TEST” mode with CONSULT-III. 3. Touch “ON/OFF” on CONSULT-III screen. 4. Check for operating sound of the valve. OK or NG OK >> GO TO 7. NG >> GO TO 3. 3. CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect EVAP canister vent control valve (3) harness con- - Fuel filler pipe (top of frame view) (1) - EVAP control system pressure sensor (2) - EVAP ccanister (4) - Drain filter (5) - : Vehicle front 3. Turn ignition switch ON. 4. Check voltage between EVAP canister vent control valve termi- OK or NG OK >> GO TO 5. NG >> GO TO 4. 4. DETECT MALFUNCTIONING PART Check the following. >> Repair harness or connectors. 5. CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between ECM terminal 117 and EVAP canister vent control valve terminal 2. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 7. NG >> GO TO 6. AWBIA0134ZZ Voltage: Battery voltage PBIB0152E Continuity should exist. |