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EC-294 < COMPONENT DIAGNOSIS > [VQ35HR] P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR Description INFOID:0000000003133444 The EVAP control system pressure sensor detects pressure in the DTC Logic INFOID:0000000003133445 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. Turn ignition switch OFF and wait at least 10 seconds. 2. Start engine and wait at least 40 seconds. 3. Check 1st trip DTC. Is 1st trip DTC detected? YES >> Go to NO >> INSPECTION END PBIB3370E DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0451 EVAP control system ECM detects a sloshing signal from the EVAP • Harness or connectors (EVAP control system pressure sensor • EVAP control system pressure sensor (bank 2) • Exhaust valve timing control position sen- sor (bank 2) • Battery current sensor |