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Home >> Infiniti >> 2006 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0455 To P1217 >> DTC P0461 Fuel Level Sensor >> Overall Function Check >> With Consult-II
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With Consult-II

NOTE: Start from step  10, if it is possible to confirm that the fuel cannot be drained by 30 l (7-7/8 US gal, 6-5/8 Imp gal) in advance.
  1. Prepare a fuel container and a spare hose.
  2. Release fuel pressure from fuel line, Refer to "FUEL PRESSURE RELEASE ".
  3. Remove the fuel feed hose on the fuel level sensor unit.
  4. Connect a spare fuel hose where the fuel feed hose was removed.
  5. Turn ignition switch OFF and wait at least 10 seconds then turn ON.
  6. Select " FUEL LEVEL SE" in " DATA MONITOR" mode with CONSULT-II.
  7. Check " FUEL LEVEL SE" output voltage and note it.
  8. Select " FUEL PUMP" in " ACTIVE TEST" mode with CONSULT-II.
  9. Touch " ON" and drain fuel approximately 30 l (7-7/8 US gal, 6-5/8 Imp gal) and stop it.
  10. Check " FUEL LEVEL SE" output voltage and note it.
  11. Fill fuel into the fuel tank for 30 l (7-7/8 US gal, 6-5/8 Imp gal).
  12. Check " FUEL LEVEL SE" output voltage and note it.
  13. Confirm whether the voltage changes more than 0.03V during step  7 to  10 and  10 to  12.

    If NG, go to "DIAGNOSTIC PROCEDURE ".

  14. Fig 1: Consult-II DATA MONITOR Display Screen
    G04075050Courtesy of NISSAN MOTOR CO., U.S.A.