has anyone checked out that big green denso ecu chip in the fuse box under the hood ? it says DENSO ECU on it, i noticed that oz rally has it in ther to but i dont know if the base modle lancers have it or not .

what exactly is that for? is it like a performance chip? and if it is couldent we some how get an upgraded one or some how modify that ?

i would really like to know the purpose of it, cause it looks like some kind built in piggy back or somthing.

 

That's the front ECU, it controls the headlights, foglights, and daytime running lights if your car has them.

It has nothing to do with how fast your car is.


EDIT: inside it is just a small circuit board, and five relays. This is the inside of mine:

 

called an etax i believe

 

thanks, i didnt know what is was .
except mine dont have daytime running lights do you think if i got on out of an 05 or 06 it would work

 

If you want the DRLs, get one from an '06 US-spec car or any year Canadian model.

Mitsutech, I thought the ECU that's built into the fusebox was the ETACS ECU..?

 

lol same thing, just spelled it wrong. i remembered what we called em when we told the parts guy what we needed, but not how to spell it. gimme a break, i havnt been a mitsutech for like 2 years

 

so, if any of those relays in ther blow can you replace them or do you have to replace the whole unit ? i never opened mine befor so i wouldnt know . from the picture it looks like they might soldered on.

 

whole unit.

 

hey ralliart 04, if your interested in having DRL's i might swap you my 05 Front ecu since im in canada.
if your interested, let me know.

 

yeah, whole unit for sure. the ecu under dash is the ETACS and controls devices requiring timers, such as the autodimming dome light. The ecu under hood is the Front ECU. I had to have my etacs replaced because I was wiring some leds to autodim and didn't disconnect the battery. that's ok, I won't make that mistake again

 

btw what did the etacs cost you or did you sucker them into warranting it?

 

thanks, but i dont think i would do that until i new more about it. i would hate to do a swap and find out later that somthing is diffrent and it dont work properly, but i appreciate the offer.

 

yeah, I just took the leds back out and took it to them. I asked the price and the parts guy said 350USD, so it's not cheap. the funny part is I had already diagnosed the problem and told them what it was. The tech said he had to go through the motions and was talking about testing this and that. He went and got his service book and promptly took out the ecu They are starting to get to know me out there.

 

like i said in an earlier thread. at price mitsu when i waws running the shop we had a diamante get struck by lightening, man that was a fun one to diagnose, was an electrical nightmare.