3S-GTE Gen 4 Check engine light problem Options

[speed-CCNP]

Hi all, Two days ago the check engine light came on. When I drive for 5 min the light comes on.

I have a 3sgte out of a Caldina (ST215) and the use the stock JDM ECU, so I can't get codes from it. I don't see anything leaking and the car runs great. I have put about 800 miles on the car

since i did the swap.

What should I check first?

[pitcelica]

Thanks for the info alltracman78. I was sure that all 97+ engine (no matter what market they come from) were OBDII. The best person to answer this question is Dr Tweak : Hey Tweak, did you ever seen a diag box in any of the harness you did from a ST215 ?

I had 2 ST215 harness and none of them had a diag box somewhere in the engine room wiring harness. So, I assumed that if it isn't in the engine bay, it would be in the cabin.

The best thing to do should be to go at an engine importer, look at a caldina ST215 front clip, and inspect it to find a diag box.

[alltracman78]

Well, I stand partially corrected. I've been talking with Tweak about this via PM; apparently the check connector is under the drivers dash, and is the same shape as an OBDII connector.

However, it's not a true OBDII system, and according to him a OBDII scan tool can't communicate with it.

Thanks for the info alltracman78. I was sure that all 97+ engine (no matter what market they come from) were OBDII.

To further clarify what I posted above; OBDII isn't just a different connector that everyone uses, it's a set of Federal regulations that standardize how the ECU communicates, the code numbers and their meanings, and what emissions the ECU checks for. That's a really simplified explanation, there's more to it, but I don't feel like typing too much of a book here...

Each country has it's own emissions regulations, so designing a system that complies with both would cost more money, and probably increase complications, so it's unlikely a manufacturer would design both in, unless another country fully adopted our emissions standards [like I believe Canada did].

Also, while OBDII requires certain things to be the same for all manufacturers, it also leaves other parts of the diagnostic system for the individual manufacturers to decide what is what.

This post has been edited by alltracman78: Apr 30, 2009 - 1:18 PM