DTC Confirmation Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

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?

YES

Perform diagnosis of applicable.
- DTC UXXXX: Refer to DTC Index .
- DTC P0607: Refer to DTC Description .
NO

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.

YES

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?

YES

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

YES

Confirmation after repair: INSPECTION END

NO

Proceed to Diagnosis Procedure .