Section 3 (Engine Controls - System/Component Tests): Relays: Notes
WARNING: This page is about a different car, the 1997 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
SFI control relay may also be referred to as the ECM main relay.
CAUTION:
When applying direct battery voltage, ensure voltage is applied to correct terminal; otherwise, relay damage could result.