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DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR EC-1527 [VG33ER] C D E F G H I J K L M A EC Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- Diagnostic Procedure UBS00DY4 1. CHECK RUBBER TUBE 1. Turn ignition switch OFF. 2. Check rubber tube connected to the sensor for clogging, vent, OK or NG OK >> GO TO 2. NG >> Reconnect, repair or replace. 2. RETIGHTEN GROUND SCREWS 1. Loosen and retighten engine ground screws. >> GO TO 3. 3. CHECK CONNECTOR 1. Disconnect EVAP control system pressure sensor harness connector. 2. Check sensor harness connector for water. OK or NG OK >> GO TO 4. NG >> Repair or replace harness connector. TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 42 B/W Sensor power supply [Ignition switch: ON] Approximately 5V 43 BR Sensor ground [Engine is running] ● Warm-up condition ● Idle speed Approximately 0V 62 Y EVAP control system pres- [Ignition switch: ON] 1.8 - 4.8V AEC651A BBIA0418E |