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Home >> Nissan-Datsun >> 2017 >> Versa Note SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 3) >> DTC/Circuit Diagnosis >> DTC P0461: Fuel Level Sensor >> Component Function Check >> Diagnostic Test
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Diagnostic Test

  1. PRECONDITIONING

    WARNING:

    When performing following procedure, be sure to observe the handling of the fuel. Refer to GENERAL PRECAUTIONS .

    TESTING CONDITION: 

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

    Do you have CONSULT?

    YES 

    GO TO STEP 2  .

    NO 

    GO TO STEP 3  .

  2. PERFORM COMPONENT FUNCTION CHECK

    G-20 With CONSULT

    NOTE:

    Start from step 10, if it is possible to confirm that the fuel cannot be drained by 30 LITER (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 LITER (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 LITER (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 0.03 V 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

    G-21 Without CONSULT

    NOTE:

    Start from step 8, if it is possible to confirm that the fuel cannot be drained by 30 LITER (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 LITER (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 LITER (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 .

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