You should be able to pull codes off of the ECU just like the turbocharged variant.
http://www.se-r.net/engine/ecu_codes.html
The S14 FSM should cover pretty much anything mechanical on your engine. It's the same just no turbo.
as far as wiring goes for the chassis,
https://www.nicoclub.com/service-man...s12_manual.pdf should take care of it.