Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

Fuel gauge will not indicate from a certain position.

CHECK COMBINATION METER INPUT SIGNAL
Perform component function check. Refer to Component Function Check .

Does monitor value match fuel gauge reading?

YES

GO TO 2.

NO

Replace combination meter. Refer to Removal and Installation .
CHECK FUEL LEVEL SENSOR UNIT CIRCUITS
Check the fuel level sensor circuits. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace harness or connectors.
CHECK FUEL LEVEL SENSOR UNIT
Perform a unit check for the fuel level sensor unit. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 4.

NO

Replace fuel level sensor unit. Refer to Removal and Installation .
CHECK FLOAT INTERFERENCE
Check that the float arm does not interfere with or binds to other components in the fuel tank.

Is the inspection result normal?

YES

Replace combination meter. Refer to Removal and Installation .

NO

Repair or replace malfunctioning parts.