Component Function Check

1. Turn ignition switch OFF.
2. Disconnect "fuel level sensor unit and fuel pump" harness connector.
3. Remove fuel level sensor unit. Refer to "REMOVAL AND INSTALLATION ".
4. Check resistance between "fuel level sensor unit and fuel pump" terminals by heating with hot water as shown in the figure.
   RESISTANCE REFERENCE CHART
   
   

   Terminals	Condition		Resistance (kΩ)
   4 and 5	Temperature [°C (°F)]	20 (68)	2.3 - 2.7
   		50 (122)	0.79 - 0.90

   Is the inspection result normal? 

   YES: Go to 2.

   NO: Proceed to "DIAGNOSIS PROCEDURE ".

   Fig 1: Checking Fuel Tank Temperature Sensor

   Courtesy of NISSAN MOTOR CO., U.S.A.

Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".