Testing Fuel Gauge Sending Unit

Remove sending unit from fuel tank. Measure resistance between terminals "G" (+) and "E" (-) of sending unit connector. See Fig 1 .

Fig 1: Identifying Fuel Tank Sending Unit Connector Terminals
Courtesy of NISSAN MOTOR CO., U.S.A.
Resistance values should change as position of fuel sending unit is changed. Resistance values should approximately equal those on FUEL GAUGE SENDING UNIT RESISTANCE (OHMS) table.

FUEL GAUGE SENDING UNIT RESISTANCE (OHMS)

Application	Full	Half	Empty
M30	7-8	30-36	87-94