Acura 3.5 RL Manual page 434

5. Measure the resistance between the No. 1 and No. 2
terminals at E (EMPTY), 1/2 (HALF FULL) and F (FULL)
by moving the float.
Terminal side of
male terminals
Top of the workbench (Bottom of the fuel tank)
If you do not get the above readings, replace the fuel
gauge sending unit.