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DTC P0462, P0463 FUEL LEVEL SENSOR EC-1567 [VG33ER] C D E F G H I J K L M A EC 4. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M67, C1 ● Harness for open or short between fuel level sensor unit and ground >> Repair open circuit or short to power in harness or connectors. 5. CHECK FUEL LEVEL SENSOR INPUT CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. 2. Check harness continuity between ECM terminal 46 and fuel level sensor unit terminal G. Refer to Wiring 3. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 7. NG >> GO TO 6. 6. DETECT MALFUNCTIONING PART Check the following. ● Harness connectors M67, C1 ● Harness connectors M81, F36 ● Harness for open or short between ECM and fuel level sensor unit >> Repair open circuit or short to ground or short to power in harness on connectors. 7. CHECK FUEL LEVEL SENSOR Refer to DI-18, "FUEL LEVEL SENSOR UNIT CHECK" OK or NG OK >> GO TO 8. NG >> Replace fuel level sensor unit. 8. CHECK INTERMITTENT INCIDENT Refer to EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END. Removal and Installation UBS00DYW FUEL LEVEL SENSOR Refer to FL-6, "FUEL LEVEL SENSOR UNIT AND FUEL PUMP ASSEMBLY" . Continuity should exist. |