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DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-965 < SERVICE INFORMATION > [VK45DE] C D E F G H I J K L M A EC N P O • Harness for open or short between EVAP control system pressure sensor and ECM >> Repair open circuit or short to ground or short to power in harness or connectors. 9. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-965, "Component Inspection" OK or NG OK >> GO TO 10. NG >> Replace EVAP control system pressure sensor. 10. CHECK INTERMITTENT INCIDENT >> INSPECTION END Component Inspection INFOID:0000000001326808 EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister. 2. Install a vacuum pump to EVAP control system pressure sensor. 3. Turn ignition switch ON and check output voltage between ECM 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). 4. If NG, replace EVAP control system pressure sensor. Applied vacuum kPa (kg/cm 2 , psi) Voltage V Not applied 1.8 - 4.8 -26.7 (-0.272, -3.87) 2.1 to 2.5V lower than above value PBIB1173E |