ECU wiring harness diagram

[Crazee D]

Well, I looked high and low to find this here on the forum and had to go to the shop manual to find it. I figured I would post it up here for the next person looking for it.

I am looking to get my MPI installed and when I went to a few shops, they mentioned wanting to have a real good wiring harness diagram before they would be willing to even consider it.

Please let me know if anyone thinks this is not the correct diagram or is incomplete/ inaccurate.

I'm not sure what year models this service manual covers but I have an '02 P5

Thanks to Josh (ALTspace) for sizing the files so u fellas can still read them when u zoom-zoom in to see the tiny writing.

 

[Crazee D]

Ofc, now that I found it, I keep seeing it other places
http://www.floptical.net/mazda/wire/

 

[smo0f]

the mpi instructions give you the pin numbers and wire colors, so you don't really need a diagram. you could just look at the connector to find out where a wire needs to go

 

[mazdaspeedwerx]

hmm this is greay. I have looked for this too but gave up. wait now that I think about it I drove to the dealer and got some copies made

 

[Crazee D]

Bump for me needing this again...

 

[urbanbiker]

Thanks for that bro,

I will be installing my microtech soon and innovate wideband, along with other goodies. This will always come in handy

Matt

 

[Crazee D]

Bumpo for me looking up this thread again and adding this discovery from last year:

Well folks, brace yourselves....Lots of most shocking revelations!(freak)
I have just talked to the shop I found to install the AEM.
For starters, they determined that the wiring harness diagram I provided was not correct! After trying to test signals on wires I had labelled for the MPI install, it became clear something was not right.(dunno)

My new hero, Chris (the mechanic) went on a mission to find out what was wrong. He had noticed that the wiring diagram showed HALL sensors where the car has Magneto sensors (CPS and CKPS, I think he said it even had a different number of wires than showing on the diagram)

A friend of his used my VIN to access a reference database.
He says my car has the EECV from a FORD FOCUS! ...

 

[Speed3.5]

can you ask that guy again to check my VIN so we can get a clue of MSP ECU being similar to any other "Ford" cars ??

LMK

 

[Crazee D]

Sorry bro, not much chance of that happening unfortunately

 

[low_psi]

Yes, the Protege has a EECV Ford ECU, but Mazda wrote all the code.

 

[Crazee D]

i guess the question is, where and when does the pinout decide to change? like which model yr etc..