July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fuel Level Sensor Unit Check

For removal, refer to REMOVAL & INSTALLATION (with QG18DE except CALIF. CA), or REMOVAL & INSTALLATION (with QG18DE CALIF. CA and QR25DE).
Check the resistance between terminals 2 and 5.

Fig 1: Measuring Fuel Float Positions
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Checking Resistance Based On Float Position
Courtesy of NISSAN MOTOR CO., U.S.A.