Nissan Murano: Dtc/circuit Diagnosis / P0461 Fuel Level Sensor

DTC Description

DTC DETECTION LOGIC

Driving long distances naturally affect fuel gauge level.

This diagnosis detects the fuel gauge malfunction of the gauge not moving even after a long distance has been driven.

The output signal of the fuel level sensor does not change within the specified range even though the Nissan Murano vehicle has been driven a long distance.

POSSIBLE CAUSE

• 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

FAIL-SAFE

Not applicable

CHECK DTC PRIORITY

If DTC P0461 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.

Is applicable DTC detected?

Perform diagnosis of applicable.

• DTC UXXXX: Refer to DTC Index.

• DTC P0607: Refer to DTC Description.

GO TO 2.

PRECONDITIONING

WARNING:

When performing the following procedure, always observe the handling of the fuel. Refer to General Precaution.

TESTING CONDITION:

Before starting component function check, preparation of draining fuel and refilling fuel is required.

GO TO 3.

PERFORM COMPONENT FUNCTION CHECK

With CONSULT

NOTE:

Start from step 10, if it is possible to confirm that the fuel cannot be drained by 30 (7-7/8 US gal, 6-5/8 Imp gal) in advance.

1. Prepare a fuel container and a spare hose.

2. Release fuel pressure from fuel line, refer to Work Procedure.

3. Remove the fuel feed hose on the fuel level sensor unit.

4. Connect a spare fuel hose where the fuel feed hose was removed.

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

6. Select “FUEL LEVEL SE” in “DATA MONITOR” mode with CONSULT.

7. Check “FUEL LEVEL SE” output voltage and note it.

8. Select “FUEL PUMP RELAY” in “ACTIVE TEST” mode with CONSULT.

9. Touch “ON” and drain fuel approximately 30 (7-7/8 US gal, 6-5/8 Imp gal) and stop it.

10. Check “FUEL LEVEL SE” output voltage and note it.

11. Fill fuel into the fuel tank for 30 (7-7/8 US gal, 6-5/8 Imp gal).

12. Check “FUEL LEVEL SE” output voltage and note it.

13. Confirm whether the voltage changes more than 0.03 V during step 7 to 10 and 10 to 12.

Is the inspection result normal?

To check malfunction symptom before repair: Refer to Intermittent Incident.

Confirmation after repair: INSPECTION END

Proceed to Diagnosis Procedure.

CHECK DTC PRIORITY

If DTC P0461 is displayed with DTC UXXXX or P0607, first perform the confirmation procedure for DTC UXXXX or P0607.

Is applicable DTC detected?

Perform diagnosis of applicable.

• DTC UXXXX: Refer to DTC Index.

• DTC P0607: Refer to DTC Description.

GO TO 2.

CHECK COMBINATION METER FUNCTION

Check combination meter function. Refer to CONSULT Function (METER/MA).

Is the inspection result normal?

INSPECTION END

Proceed to Diagnosis Procedure.