Civic EX Sedan L4-1668cc 1.7L SOHC (VTEC) MFI (2001)
_mfi/Page-2968002.png)
4. With the 14P connector disconnected, make these input tests.
5. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, the control unit may be faulty.
Substitute a known-good control unit and retest. If the system works properly, replace the control unit.
