all i could find was this,
http://repairguide.autozone.com/znet...3f8025adbb.gif
from
http://www.autozone.com/autozone/
that's a free online manual for your vehicle. just have to sign up and plug in vehicle info to nav.
schematic was found here,
REPAIR INFO / 1998 TOYOTA COROLLA 1.8L EFI DOHC 4CYL REPAIR GUIDE / WIRING DIAGRAMS / OVERALL ELECTRICAL WIRING DIAGRAM (1998) / OVERALL ELECTRICAL WIRING DIAGRAM (1998) 1
hope that hepped some.