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Diagnostic Procedure =NHEC0631 1 CHECK FUEL LEVEL SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. SEF524Z OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M6, B3 I Harness for open or short between combination meter and fuel level sensor until and fuel pump © Repair or replace harness or connectors. 3 CHECK FUEL LEVEL SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. Diagram. Continuity should exist. 3. Also check harness for short to power. OK or NG OK © GO TO 4. NG © Repair open circuit or short to power in harness or connectors. 4 CHECK FUEL LEVEL SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. ing Diagram. Continuity should exist. 3. Also check harness for short to ground and short to power. OK or NG OK © GO TO 6. NG © GO TO 5. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0464 FUEL LEVEL SENSOR CIRCUIT Diagnostic Procedure EC-423 |