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EC-286 < COMPONENT DIAGNOSIS > [VQ35HR] P0447 EVAP CANISTER VENT CONTROL VALVE P0447 EVAP CANISTER VENT CONTROL VALVE Description INFOID:0000000003133436 The EVAP canister vent control valve is located on the EVAP canis- DTC Logic INFOID:0000000003133437 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and wait at least 8 seconds. 2. Check 1st trip DTC. Is 1st trip DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000003133438 1. INSPECTION START Do you have CONSULT-III? Do you have CONSULT-III? YES >> GO TO 2. 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. PBIB1263E DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0447 EVAP canister vent con- An improper voltage signal is sent to ECM • Harness or connectors (The valve circuit is open or shorted.) • EVAP canister vent control valve |