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:

Continuously Variable Transmission (CVT) (if so equipped)
The ignition lock is designed so that the ignition switch cannot be turned to the LOCK position until the shift lever is moved to the P (Park) position. When moving the ignition switch to the LOCK position, make sure the shift lever is in the P (Park) position. When removing the key ...

ECU diagnosis information
EPS control unit Reference Value VALUES ON THE DIAGNOSIS TOOL The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. CAUTION: The output signal indicates the EPS control unit calcula ...

U1000 CAN Comm circuit
Description CAN (Controller Area Network) is a serial communication system for real time application. It is an on-vehicle multiplex communication system with high data communication speed and excellent error detection ability. Many electronic control units are equipped into vehicles, and e ...

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