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EC-318 < DTC/CIRCUIT DIAGNOSIS > [HR16DE] P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR >> Repair hose or replace EVAP canister. Refer to FL-14, "Removal and Installation" . Component Inspection INFOID:0000000009020811 1. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Turn ignition switch OFF. 2. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister. Always replace O-ring with a new one. 3. Install a vacuum pump to EVAP control system pressure sensor. 4. Turn ignition switch ON and check output voltage between ECM harness connector and ground 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. Refer to FL-19, "Removal and Installation" . ECM Condition [Applied vacuum kPa (kg/cm 2 , psi)] Voltage Connector + − Terminal F11 43 68 Not applied 0.5 - 4.6 V -26.7 (-0.272, -3.87) 2.1 to 2.5 V lower than above value |