P0461
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 trouble diagnosis for DTC P0607. P0607.
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.
DTC CONFIRMATION PROCEDURE
1.PERFORM COMPONENT FUNCTION CHECK
Perform Component Function Check. SEE Component Function Check.
Use component function check to check the overall function of the fuel level sensor. During this check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES - INSPECTION END
NO - Proceed to SEE Diagnosis Procedure.
Component Function Check
1.PRECONDITIONING
WARNING:
When performing the following procedure, always observe the handling of the fuel. General Precautions, "General Precautions".
TESTING CONDITION:
Before starting component function check, preparation of draining fuel and refilling fuel is required.
- GO TO 2.
2.PERFORM COMPONENT FUNCTION CHECK
NOTE:
Start from step 8, 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. Testing and Inspection.
3. Remove the fuel feed hose on the fuel level sensor unit. Removal and Installation
4. Connect a spare fuel hose where the fuel feed hose was removed.
5. Turn ignition switch ON.
6. Drain fuel by 30 (7-7/8 US gal, 6-5/8 Imp gal) from the fuel tank using proper equipment.
7. Confirm that the fuel gauge indication varies.
8. Fill fuel into the fuel tank for 30 (7-7/8 US gal, 6-5/8 Imp gal).
9. Confirm that the fuel gauge indication varies.
Is the inspection result normal?
YES - INSPECTION END
NO - Proceed to SEE Diagnosis Procedure.
Diagnosis Procedure
1.CHECK DTC WITH "COMBINATION METER"
Scan Tool Testing and Procedures.
Is any DTC detected?
YES - Perform trouble diagnosis of detected DTC.
NO - GO TO 2.
2.CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT
Check fuel level sensor signal circuit. Fuel Level Sensor Signal Circuit.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO - Perform trouble diagnosis of fuel level sensor signal circuit. Fuel Level Sensor Signal Circuit Fuel Level Sensor Signal Circuit, "Diagnosis Procedure".