Check resistance between "fuel level sensor unit and fuel pump" terminals 3 and 4 by heating with hot water or heat gun as shown in the figure.RESISTANCE REFERENCE DATA
| Temperature °C (°F) |
Resistance kΩ |
| 20 (68) |
2.3 - 2.7 |
| 50 (122) |
0.79 - 0.90 |
Courtesy of NISSAN MOTOR CO., U.S.A.