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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0460: Fuel Level Sensor >> Diagnostic Procedure >> 6. Check Fuel Level Sensor Input Signal Circuit For Open And Short

6. Check Fuel Level Sensor Input Signal Circuit For Open And Short

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  1. Disconnect ECM harness connector.
  2. Check harness continuity between the following;

    ECM terminal 119 and "fuel level sensor unit and fuel pump" terminal 5,

    ECM terminal 107 and "fuel level sensor unit and fuel pump" terminal 6.

    Refer to WIRING DIAGRAM .

    Continuity should exist. 

  3. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 8. CHECK FUEL LEVEL SENSOR .
  2. NG: GO TO 7.