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EC-296 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-296, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> Replace EVAP control system pressure sensor. 9. CHECK INTERMITTENT INCIDENT GI-39, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000005536689 1. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Turn ignition switch OFF. 2. Remove EVAP control system pressure sensor with its harness connector. 3. Install a vacuum pump to EVAP control system pressure sensor. 4. Turn ignition switch ON and check output voltage between ECM terminals under the following conditions. CAUTION: • Always calibrate the vacuum pump gauge when using it. 2 , -13.53 psi) or pressure over 101.3 kPa (1.033 kg/cm 2 , 14.69 psi). Is the inspection result normal? YES >> INSPECTION END NO >> Replace EVAP control system pressure sensor ECM Applied vacuum kPa (kg/cm 2 , psi) Voltage Connector + – Terminal Terminal E16 86 (EVAP control system pressure sensor signal) 96 (Sensor ground) Not applied 1.8 - 4.8 V -26.7 (-0.272, -3.87) 2.1 to 2.5 V lower than above value |