Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC Confirmation Procedure
- CHECK DTC PRIORITY
If DTC P0461 is displayed with DTC UXXXX or P0607, first perform the trouble diagnosis for DTC UXXXX or P0607.
Is applicable DTC detected?
YES
Perform diagnosis of applicable. Refer to DTC INDEX .
NO
GO TO STEP 2 .
- PRECONDITIONINGWARNING:
When performing following procedure, be sure to 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.
Do you have CONSULT?
YES
GO TO STEP 3 .
NO
GO TO STEP 4 .
- 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.
- Prepare a fuel container and a spare hose.
- Release fuel pressure from fuel line, refer to WORK PROCEDURE .
- Remove the fuel feed hose on the fuel level sensor unit.
- Connect a spare fuel hose where the fuel feed hose was removed.
- Turn ignition switch OFF and wait at least 10 seconds then turn ON.
- Select "FUEL LEVEL SE" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
- Check "FUEL LEVEL SE" output voltage and note it.
- Select "FUEL PUMP RELAY" in "ACTIVE TEST" mode of "ENGINE" using CONSULT.
- Touch "ON" and drain fuel approximately 30
(7-7/8 US gal, 6-5/8 Imp gal) and stop it.
- Check "FUEL LEVEL SE" output voltage and note it.
- Fill fuel into the fuel tank for 30
(7-7/8 US gal, 6-5/8 Imp gal).
- Check "FUEL LEVEL SE" output voltage and note it.
- Confirm whether the voltage changes more than 0.03 V during step 7 to 10 and 10 to 12.
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to DIAGNOSIS PROCEDURE .
- PERFORM COMPONENT FUNCTION CHECK
Without CONSULT
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.
- Prepare a fuel container and a spare hose.
- Release fuel pressure from fuel line. Refer to WORK PROCEDURE .
- Remove the fuel feed hose on the fuel level sensor unit.
- Connect a spare fuel hose where the fuel feed hose was removed.
- Turn ignition switch ON.
- Drain fuel by 30
(7-7/8 US gal, 6-5/8 Imp gal) from the fuel tank using proper equipment.
- Confirm that the fuel gauge indication varies.
- Fill fuel into the fuel tank for 30
(7-7/8 US gal, 6-5/8 Imp gal).
- Confirm that the fuel gauge indication varies.
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to DIAGNOSIS PROCEDURE .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.