Nissan Sentra Service Manual: P0462, P0463 Fuel level sensor

Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P0462, P0463 Fuel level sensor

DTC Logic

DTC DETECTION LOGIC

NOTE:

If DTC P0462 or P0463 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
If DTC P0462 or P0463 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-350, "DTC Logic".

This diagnosis indicates the former, to detect open or short circuit malfunction.

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition	Possible cause
P0462	FUEL LEVL SEN/CIRC (Fuel level sensor ″A″ circuit low)	An excessively low voltage from the sensor is sent 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
P0463	FUEL LEVL SEN/CIRC (Fuel level sensor ″A″ circuit high)	An excessively high voltage from the sensor is sent to ECM.

DTC CONFIRMATION PROCEDURE

1.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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is between 11 V and 16 V at ignition switch ON.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON and wait at least 5 seconds.
Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-329, "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 >> Proceed to MWI-58, "Component Function Check".

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 ...

P0500 VSS

EXCEPT FOR M/T MODELS EXCEPT FOR M/T MODELS : Description ECM receives vehicle speed signals from two different paths via CAN communication line: One is from the ABS actuator and electric unit (c ...

Other materials:

The parking brake release warning continues sounding, or does not sound
Description The parking brake warning buzzer sounds continuously during vehicle travel though the parking brake is released. The parking brake warning buzzer does not sound at all even though driving the vehicle with the parking brake applied. Diagnosis procedure 1.Check parking ...

Transmitter
Exploded View Transmitter (tire pressure sensor) O-ring Valve stem nut Valve core Valve cap Valve stem assembly Parts that are replaced as a set when the tire is replaced. Removal and Installation REMOVAL Remove road wheel and tire assembly using power tool. Remove val ...

Types of tires
WARNING When changing or replacing tires, be sure all four tires are of the same type (i.e., Summer, All Season or Snow) and construction. A NISSAN dealer may be able to help you with information about tire type, size, speed rating and availability. Replacement ...