Civic L4-1668cc 1.7L SOHC MFI (2003)
15. Measure resistance between the No.1 and No.2 terminals with the float at E (EMPTY), 1/2 (HALF FULL), and F (FULL) positions.
If you do not get the shown readings, replace the fuel gauge sending unit.
NOTE: Remove the No.9 BACK UP (10A) fuse from the under-hood fuse/relay box for at least 10 seconds after completing troubleshooting,
otherwise it may take up to 20 minutes for the fuel gauge to indicate the correct fuel level.
