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EC-296 < COMPONENT DIAGNOSIS > [QR25DE] P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR • Harness connectors B10, E29 • 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. 10. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT ness connector. 2. Also check harness for short to ground and short to power. YES >> GO TO 12. NO >> GO TO 11. 11. DETECT MALFUNCTIONING PART Check the following. • Harness connectors B10, E29 • 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. 12. CHECK RUBBER TUBE 1. Disconnect rubber tube connected to EVAP canister vent control valve. 2. Check the rubber tube for clogging. YES >> GO TO 13. NO >> Clean the rubber tube using an air blower, repair or replace rubber tube. 13. CHECK EVAP CANISTER VENT CONTROL VALVE EC-278, "Component Inspection" Is the inspection result normal? YES >> GO TO 14. NO >> Replace EVAP canister vent control valve. 14. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-297, "Component Inspection" Is the inspection result normal? YES >> GO TO 15. NO >> Replace EVAP control system pressure sensor. 15. CHECK IF EVAP CANISTER SATURATED WITH WATER 1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached. EVAP control system pressure sensor ECM Continuity Connector Terminal Connector Terminal B41 2 E10 86 Existed |