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P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-313 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O 5. CHECK COMPONENTS Check the following. EC-271, "Component Inspection" • CMP sensor (bank 2) (Refer to EC-277, "Component Inspection" .) • EVT control position sensor (bank 2) (Refer to EC-369, "Component Inspection" • Battery current sensor (Refer to EC-400, "Component Inspection" .) • Refrigerant pressure sensor (Refer to Is the inspection result normal? YES >> GO TO 6. NO >> Replace malfunctioning component. 6. CHECK APP SENSOR EC-444, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> GO TO 7. 7. REPLACE ACCELERATOR PEDAL ASSEMBLY 1. Replace accelerator pedal assembly 2. Go to EC-445, "Special Repair Requirement" . >> INSPECTION END 8. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-313, "Component Inspection" Is the inspection result normal? YES >> GO TO 9. NO >> Replace EVAP control system pressure sensor. 9. CHECK INTERMITTENT INCIDENT GI-36, "Intermittent Incident" . >> INSPECTION END Component Inspection INFOID:0000000005236901 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 harness connector terminals under the 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? ECM Condition [Applied vacuum kPa (kg/cm 2 , psi)] Voltage (V) Connector + – Terminal Terminal M107 102 112 Not applied 1.8 - 4.8 -26.7 (-0.272, -3.87) 2.1 to 2.5 lower than above value |