Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION METER INPUT SIGNAL
1. Select "METER/M&A" on CONSULT.
2. Using "FUEL METER" of "DATA MONITOR", compare the monitor value with the fuel gauge reading on the combination meter. 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 SIGNAL CIRCUIT
Check the fuel level sensor signal circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal?

YES: GO TO 3

NO: Repair harness or connector.
CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR)
Perform a unit check for the fuel level sensor unit and fuel pump (fuel level sensor). Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 4

NO: Replace fuel level sensor unit and fuel pump (fuel level sensor). Refer to "REMOVAL AND INSTALLATION ".
CHECK FLOAT INTERFERENCE
Check that the float arm does not interfere or bind with any of the 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.