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EC-300 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR YES >> GO TO 12. NO >> GO TO 11. 11. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 12. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check the continuity between EVAP control system pressure sensor harness connector and ECM har- 2. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 14. NO >> GO TO 13. 13. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 14. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR EC-300, "Component Inspection" Is the inspection result normal? YES >> GO TO 15. NO >> Replace EVAP control system pressure sensor. 15. CHECK INTERMITTENT INCIDENT GI-39, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000005536693 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 terminals under the following conditions. EVAP control system pressure sensor ECM Continuity Connector Terminal Connector Terminal B17 2 E16 86 Existed |