What diagnosis system or scan tool do I need to read the codes from the engine light being on or is it flash diagnostics?
How to diagnose my 1jz 1992 rhd supra?
- Thread starter SupraKingz
- Start date
Hey bro take a look in here. I'm not sure if this will help but maybe they have some info on what your looking for http://www.1jz.com/tech/docs/engine_manual/
OBD1 buddy, flash diag. try the search though next time you'll find the list of codes doing that as well 
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.i did try the search i always do and i typed in diagnosis codes and nothing. But thanks for the answer anyways.