Toyota
Nissan Versa
 Sedan Service Manual
Driver information & multimedia » Meter, warning lamp & indicator (MWI) » Fuel level sensor signal circuit
Diagnosis Procedure

Regarding Wiring Diagram information, refer to MWI "Wiring Diagram".

1.CHECK HARNESS CONNECTOR

1. Turn ignition switch OFF.

2. Check combination meter and fuel level sensor unit terminals (meter-side and harness-side) for poor connection.

Is the inspection result normal?

YES >> GO TO 2

NO >> Repair or replace terminals or connectors.

2.CHECK FUEL LEVEL SENSOR UNIT CIRCUIT

1. Disconnect combination meter harness connector M82 and fuel level sensor unit and fuel pump harness connector B44.

2. Check continuity between combination meter harness connector M82 terminal 6 and fuel level sensor unit and fuel pump harness connector B44 terminal 2.                           

3. Check continuity between fuel level sensor unit and fuel pump harness connector B44 terminal 2 and ground.                                                                                   

Is the inspection result normal?

YES >> GO TO 3

NO >> Repair harness or connector.

3.CHECK FUEL LEVEL SENSOR GROUND CIRCUIT

1. Check continuity between combination meter harness connector M82 terminal 24 and fuel level sensor unit and fuel pump harness connector B44 terminal 5.                       

2. Check continuity between fuel level sensor unit and fuel pump harness connector B44 terminal 5 and ground.                                                                                   

Is the inspection result normal?

YES >> GO TO 4

NO >> Repair harness or connector.

4.CHECK INSTALLATION CONDITION

Check fuel level sensor unit installation, and verify the float arm does not interfere or bind with the internal components in the fuel tank.

Is the inspection result normal?

YES >> Inspection End.

NO >> Install the fuel level sensor unit properly.

    More about «Fuel level sensor signal circuit»:

    Diagnosis Procedure

    Component Inspection

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