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Diagnostic Procedure =NHEC0641 1 CHECK FUEL LEVEL SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. Continuity should exist. 4. Also check harness for short to power. OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART 1. Check the following. I Harness connectors F44, M46 I Harness connectors M110, B43 I Harness for open and short between ECM and body ground © Replace open circuit or short to power in harness or connectors. 3 CHECK FUEL LEVEL SENSOR Refer to EL-162, “Fuel Level Sensor Unit Check”. OK or NG OK © GO TO 4. NG © Replace fuel level sensor unit. 4 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-144. OK or NG © INSPECTION END GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P1464 FUEL LEVEL SENSOR CIRCUIT (GROUND SIGNAL) Diagnostic Procedure EC-575 |