Nissan Sentra Service Manual: P0460 Fuel level sensor

Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P0460 Fuel level sensor

DTC Logic

DTC DETECTION LOGIC

NOTE:

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. Refer to EC-350, "DTC Logic".

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 No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition	Possible cause
P0460	FUEL LEV SEN SLOSH (Fuel Level Sensor ″A″ Circuit)	Even though the vehicle is parked, a signal being varied is sent from the fuel level sensor to ECM.	Harness or connectors (The CAN communication line is open or shorted) Harness or connectors (The sensor circuit is open or shorted) Combination meter Fuel level sensor

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON.
Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

Start engine and wait maximum of 2 consecutive minutes.
Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-326, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK COMBINATION METER FUNCTION

Refer to MWI-17, "CONSULT Function (METER/M&A)".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".

NO >> Refer to MWI-58, "Diagnosis Procedure".

P0456 EVAP Control system

DTC Logic DTC DETECTION LOGIC This diagnosis detects leaks in the EVAP line between fuel tank and EVAP canister purge volume control solenoid valve, using the negative pressure caused by decrease ...

P0461 Fuel level sensor

DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0461 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P0461 is displayed with DTC P0607, first perform the ...

Other materials:

Precaution for supplemental restraint system (SRS) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System such as вЂњAIR BAGвЂќ and вЂњSEAT BELT PRE-TENSIONERвЂќ, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

Three Way Catalyst
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions. Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst. When checking for ignition spark or measuring ...

Camshaft valve clearance
Inspection and Adjustment INSPECTION Perform inspection after removal, installation or replacement of camshaft or valve-related parts, or if there are unusual engine conditions regarding valve clearance. Remove rocker cover. Refer to EM-46, "Exploded View". Measure the valve cle ...