Backwards jumped 96 Tacoma now no spark

I backwards jumped my 96 Tacoma 2.7, blew the main 80a fuse and lost all power to everything. so I replaced the main 80a and checked all my other relays and fuses, everything came back on the truck will turn over but no start, I’m not getting spark and the fuel pump is not coming on, I’m leaning towards burnt up ECM. Anyone have a procedure on how to test the ECM?

 

Are you are getting power to the 7.5A IGN fuse.

 

Also, does the tach move when cranking?

 

I am getting power to my ign fuse, and tach does not move while cranking, which led me to believe it may be the crank sensor but it passed ohm test

 

With the key on, does the engine light come on?
In the ON position, not the accessory position.

 

No engine light, just the brake light and battery light. Not 100% sure the engine light even works tho

 

I'd want to check powers and grounds at the ECU.
Is that something you feel comfortable doing?

 

Yes I can do that when I get back home, I was wondering if anyone had a schematic of what voltage is supposed to be at what pin

 

Check for power on Pins 2 and 12 of the E5 (A) connector.
Also, unplug the Throttle Position (Throttle Body) and see if you have voltage on the Green/Yellow wire.



ECM Connectors