Nissan Sentra B18 (2020-2025) Service Manual / Engine / Work Procedure (After Replacing Electric Throttle Control Actuator) / Dtc/circuit Diagnosis / P0460 Fuel Level Sensor

Nissan Sentra B18 (2020-2025) Service Manual: P0460 Fuel Level Sensor

Dtc Description

DTC Description

When the vehicle is parked, naturally the fuel level in the fuel tank is stable. It means that output signal of the fuel level sensor does not change. If ECM senses sloshing signal from the sensor, fuel level sensor malfunction is detected.

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
P0460	FUEL LEV SEN SLOSH (Fuel Level Sensor ″A″ Circuit)	Diagnosis condition	Engine running at idle
		Signal (terminal)	Fuel level sensor signal
		Threshold	Even though the Nissan Sentra vehicle is parked, a signal being varied is sent from the fuel level sensor to ECM
		Diagnosis delay time	—

POSSIBLE CAUSE

Harness or connectors
- CAN communication line is open or shorted.
- Fuel level sensor circuit is open or shorted.
Combination meter
Fuel level sensor

FAIL-SAFE

Not applicable

Confirmation Procedure

Confirmation Procedure

CHECK DTC PRIORITY
- If DTC P0460 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
- If DTC P0460 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607.
Is applicable DTC detected?
YES >>
Perform diagnosis of applicable.
- DTC UXXXX
- DTC P0607: Refer to DTC Description.
NO >>
GO TO 2.
PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>
GO TO 3.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine and wait maximum of 2 consecutive minutes.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >>
Proceed to DTC Diagnosis Procedure.
NO-1 >>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2 >>
Confirmation after repair: INSPECTION END

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

CHECK DTC PRIORITY
- If DTC P0460 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
- If DTC P0460 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607.
Is applicable DTC detected?
YES >>
Perform diagnosis of applicable.
- DTC UXXXX
- DTC P0607: Refer to DTC Description.
NO >>
GO TO 2.
CHECK COMBINATION METER FUNCTION

Refer to Component Function Check(TYPE A), Component Function Check(TYPE B).

Is the inspection result normal?
YES >>
INSPECTION END
NO >>
Refer to Diagnosis Procedure(TYPE A), Diagnosis Procedure(TYPE B).

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