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P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-325 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] C D E F G H I J K L M A EC N P O • EVAP hose between EVAP canister and drain filter for clogging or poor connection >> Repair hose or replace EVAP canister. 16. CHECK INTERMITTENT INCIDENT GI-39, "How to Check Terminal" GI-42, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000009886736 EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Remove EVAP control system pressure sensor with its harness connector connected from EVAP canister. Always replace O-ring with a new one. 2. Install a vacuum pump to EVAP control system pressure sensor. terminal 32 and ground under the following conditions. CAUTION: • Always calibrate the vacuum pump gauge when using it. • Do not apply below -93.3 kPa (-700 mmHg, -27.56 inHg) or pressure over 101.3 kPa (760 mmHg, 29.92 inHg). 4. If NG, replace EVAP control system pressure sensor. DRAIN FILTER 1. Check visually for insect nests in the drain filter air inlet. Applied vacuum [kPa (mmHg, inHg)] Voltage (V) Not applied 1.8 - 4.8 -26.7 (-200, -7.87) 2.1 to 2.5 lower than above value PBIB1173E PBIB3641E |