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EC-454 < COMPONENT DIAGNOSIS > [VQ35HR] FUEL PUMP Check the following. >> Repair open circuit or short to power in harness or connectors. 8. CHECK FUEL PUMP GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect dropping resistor harness connector. 3. Check the continuity between “fuel level sensor unit and fuel pump (main)” harness connector and 4. Also check harness for short to power. Is the inspection result normal? YES >> GO TO 9. NO >> Repair open circuit or short to power in harness or connectors. 9. CHECK FUEL PUMP EC-454, "Component Inspection" Is the inspection result normal? YES >> GO TO 10. NO >> Replace fuel pump. 10. CHECK INTERMITTENT INCIDENT GI-38, "Intermittent Incident" Is the inspection result normal? YES >> Replace IPDM E/R. NO >> Repair or replace harness or connectors. Component Inspection INFOID:0000000003133640 1. CHECK FUEL PUMP 1. Turn ignition switch OFF. 2. Disconnect “fuel level sensor unit and fuel pump (main)” harness connector. 3. Check resistance between “fuel level sensor unit and fuel pump” terminals as follows. Is the inspection result normal? YES >> INSPECTION END NO >> Replace “fuel level sensor unit and fuel pump” Fuel level sensor unit and fuel pump (main) Ground Continuity Connector Terminal B22 3 Ground Existed Terminals Resistance 1 and 3 0.2 - 5.0 Ω [at 25 ° C (77 ° F)] |