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FUEL PUMP EC-465 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] C D E F G H I J K L M A EC N P O • Harness for open or short between fuel pump and IPDM E/R • Harness for open or short between fuel pump and ground >> Repair open circuit or short to ground or short to power in harness or connectors. 12. CHECK FUEL PUMP EC-468, "Component Inspection" OK or NG OK >> GO TO 13. NG >> Replace “fuel level sensor unit and fuel pump”. 13. CHECK INTERMITTENT INCIDENT GI-39, "How to Check Terminal" GI-42, "Intermittent Incident" OK or NG OK >> Replace IPDM E/R. NG >> Repair or replace harness or connectors. FLEXIBLE FUEL VEHICLE 1. CHECK OVERALL FUNCTION 1. Turn ignition switch ON. 2. Pinch fuel feed hose with two fingers. OK or NG OK >> INSPECTION END NG >> GO TO 2. 2. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Turn ignition switch ON. 4. Check voltage between ECM terminal 113 and ground with CONSULT or tester. OK or NG OK >> GO TO 5. NG >> GO TO 3. 3. CHECK FUEL PUMP POWER SUPPLY CIRCUIT-II Fuel pressure pulsation should be felt on the fuel feed BBIA0357E Voltage: Battery voltage PBIB1187E |