I have been researching the forum, but seems to come to the same conclusion that I need the 12vdc 0.5A high sensitivity relay to kick on the AC after the 2jzgte swap. It's a aristo 2jzgte and running the jdm ecu, does anyone care to share or pm me how to wire up the relay to get AC working properly and also where to get it. My swap is completely done and everything working except for the AC. Hopefully someOne is willing to share the knowledge of the AC hook up. Everything else on the car ive done and have it working.


Cliff note: 94 sc300 auto, swapped aristo 2jzgte with jdm ecu running, Also running the aristo tranny, sc300 starter/ alternator/ AC compressor, but need to get AC to kick on.

Thanks in advance for people that is willing to help with relay diagram.

FIXED: answers and instruction how how and where to get parts to fix it in post # 29

 

In the same boat if anyone is willing to help.

 

Me too, I remember reading it on a post a few months back, I've just been lazy

 

Guess I'm just gonna end up figuring it out the hardway, trial and error I guess.

 

Damn i wish i can help you guys, when i did the swap on my friend SC the A/C and everything works great but i used the SC300 wiring harness.

My guess would be talk to the guys who did the wiring, because if you pay for harness conversion your A/C suppose to work.
I can help you guys with wiring Schematics if yall need let me know.

 

If you can get me the AC wiring schematics it would help out greatly

 

Ok i am off from work till tuesday , tuesday morning i will load up the schematics for you.

 

https://www.clublexus.com/forums/3673678-post25.html

 

I saw that post and from my understanding it's only for the Sc 400 ? Or does it happen for the Sc 300 also?

 

I read it as the Aristo ECU's signal is inverse of the SC/Supra ECU.

 

The guy who did my harness wont answer my emails. Sean from myjzswap.com didnt hook up my ac and my shifter indicator lights so i have no cruise or ac. I wanted some info and would like to fix these issues before the summer comes.

 

^ i think this is correct.

the aristo ecu sends 12v out to the ac relay instead of just grounding the relay (might be vice versa).
i think that was the whole point of that thread.

 

So does anyone know which wire from the climate control sends the ground to the ecu? I can wire up a relay to test it, i just need to know which wire form the climate control.

 

you guys can purchase the relay from dr tweak for around 35 shipped and have it wired to your harness at the ecu and it will work. thats what i done and everything works perfectly.

 

Would you be willing to share the install info?