1992 camry 4 cyl no start

Has anyone out there ever got the wiring diagrams for the ign fuse circuit that powers the igniter. The car just all of a sudden cranks but no spark. Traced the problem to no power to the ign fuse in the in car fuse panel. Lots of miles on this car 285000. The coil has no power as well as the igniter but both test good. Both sides of the ign. fuse are dead , where does this circuit originate?

Thanks
Penski