cleanEK

Right.


The ecu swap is just an LS ecu with a obd2 to obd1 conversion harness. Obd1 is great for tuning.

Scottyk6

I know it's a simple thing, just wished the guy before me bought a conversion harness.

Fabrik8

It's nothing that can't be fixed, you just have to figure out what's wrong. If it's an OBD1 ECU, you can read the codes yourself. There is a service check connector under the dash, and if jump a paper clip between the two terminals the codes will flash long and short blinks of the CEL light on the dash. Depending on the ECU (JDM ECUs usually don't apply here) there will be an LED visible through a little window on the ECU that will flash out the codes also. Google "OBD1 Honda CEL codes" or something like that and you should find tons of writeups on how to make the ECU flash out the codes and how to interpret what those codes are.

cleanEK

You don't need one though. The conversion harness is after the ecu. If you are using an obd2 ecu in an obd1 car then yes you would need it. If you have an obd2 motor, but still using the obd1 ls ecu. You wont need it.

For example, my car is obd2 and my motor is obd2. But I'm using an obd1 ecu, therefore I need a conversion harness.

cleanEK

I was hoping you were going to chime in on how do it, obd1 style. I couldnt remember the exact way to do it.

Fabrik8

I haven't done it in probably 5 or 6 years, but I still remember more or less.

cleanEK

Lol yeah, I've had my 99 for the better part of 2 years and anytime I throw a check engine its off to autozone to get it scanned lol

Fabrik8

http://www.honda-tech.com/zerothread?id=978933

Full info, there you go.

cleanEK

Good stuff

+rep

Scottyk6

Oh I see, I see.
Ah, thank you very much. I'm hoping I have an OBD1 ECU. I remember reading about checking for codes by yourself a while ago when I was first interested in getting the light to turn off, but never did it. Probably going to check them Monday.