What determines spark fire on the early distributor based 2RZ? Is it a VR setup in the distributor itself or are those motors still crank triggered? VR sensors are self-powered, but I'm surprised that you have spark and injector pulse. How do you know the injectors are working?
If you have spark and injector pulse, the typical cause of no-fire is timing... Distributor position make sense? IE, rotor facing #1 at TDC after the "suck" stroke?
The fuel pump is likely it's own issue. On the 4runner, the pump is activated by a relay that is turned on by grounding a pin at the AFM. I don't know if that helps. So likely the 2rz ecu controls the grounding of that relay to activate it. If you wire it in and removed an AFM, understand that removing that AFM may remove the circuit you're depending on.
