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HOMESERVICE MANUALSNISSAN-DATSUN2012NV1500 SREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - DTCS P0181 TO P0550 (VQ40DE)DTC P0461: FUEL LEVEL SENSORCOMPONENT FUNCTION CHECK
2012 Nissan-Datsun NV1500 S

Component Function Check

2012 Nissan-Datsun NV1500 SSECTION Component Function Check
  1. PRECONDITIONING
    WARNING: When performing the following procedure, always observe the handling of the fuel. Refer to "GENERAL PRECAUTION ".

    TESTING CONDITION: 

    Before starting component function check, preparation of draining fuel and refilling fuel is required. 

    Do you have CONSULT? 

    YES: GO TO 2.

    NO: GO TO  3.

  2. PERFORM COMPONENT FUNCTION CHECK

    With CONSULT

    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 "WORK PROCEDURE ".
    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 of "ENGINE" using CONSULT.
    7. Check "FUEL LEVEL SE" output voltage and note it.
    8. Select "FUEL PUMP RELAY" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
    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.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

  3. PERFORM COMPONENT FUNCTION CHECK

    Without CONSULT

    NOTE: Start from step 8, 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 "WORK PROCEDURE ".
    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 ON.
    6. Drain fuel by 30 l  (7-7/8 US gal, 6-5/8 Imp gal) from the fuel tank using proper equipment.
    7. Confirm that the fuel gauge indication varies.
    8. Fill fuel into the fuel tank for 30 l  (7-7/8 US gal, 6-5/8 Imp gal).
    9. Confirm that the fuel gauge indication varies.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.