Nissan Sentra manuals

Nissan Sentra Service Manual: P0462, P0463 Fuel level sensor

DTC Logic

DTC DETECTION LOGIC

NOTE:

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

  1. Turn ignition switch ON and wait at least 5 seconds.
  2. 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:

C1729 Vehicle speed signal
DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Registe ...

Checking engine oil level
Park the vehicle on a level surface and apply the parking brake. Start the engine and let it idle until it reaches operating temperature. Turn off the engine. Wait more than 10 minutes for the oil to drain back into the oil pan. Remove the dipstick and wipe it clean. Reinsert ...

Booster seats
Precautions on booster seats WARNINGIf a booster seat and seat belt are not used properly, the risk of a child being injured in a sudden stop or collision greatly increases: Make sure the shoulder portion of the belt is away from the child’s face and neck and t ...

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