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-   -   MSM ECU pinout? (https://www.miataturbo.net/ecus-tuning-54/msm-ecu-pinout-82939/)

ihiryu 02-03-2015 12:45 PM

MSM ECU pinout?
 
Hey guys, I've been scouring the net for an ECU diagram for my car.

I'm trying to wire up my ARK MFD (multi function display), and am needing a few pins off the ECU.

Everything I've found here, and M-S all lead to dead links, I was hoping someone had it available here.

I need pin locations for: Ign power, RPM signal,Water Temp, TPS signal, and VSS if possible.

Thanks!

bahurd 02-03-2015 03:47 PM

2 Attachment(s)

Originally Posted by ihiryu (Post 1202519)
Hey guys, I've been scouring the net for an ECU diagram for my car.

I'm trying to wire up my ARK MFD (multi function display), and am needing a few pins off the ECU.

Everything I've found here, and M-S all lead to dead links, I was hoping someone had it available here.

I need pin locations for: Ign power, RPM signal,Water Temp, TPS signal, and VSS if possible.

Thanks!

You don't say year of car...

The 2004 wiring diagram shows the turbo controls as part of the 'generic' layout so I assume the pinout for the MSM is the same as the normal car. At least the 2004 is...

ihiryu 02-03-2015 04:03 PM

Hey thanks, that's what I need. Seems like people tap for the tach signal in the actual diagnostic box though. I wonder if it would be easier to tap all the connections in the engine bay, since I'm routing a wire to the diagnostic box.

bahurd 02-03-2015 04:23 PM


Originally Posted by ihiryu (Post 1202599)
Hey thanks, that's what I need. Seems like people tap for the tach signal in the actual diagnostic box though. I wonder if it would be easier to tap all the connections in the engine bay, since I'm routing a wire to the diagnostic box.

Isn't all of it available via the ODBII port which, according to the ARK page the MFD2 is capable of reading?

Google will be a big help to you.

ihiryu 02-04-2015 03:48 PM


Originally Posted by bahurd (Post 1202622)
Isn't all of it available via the ODBII port which, according to the ARK page the MFD2 is capable of reading?

Google will be a big help to you.

Right on,

No, unfortunately, mine is the older version of the MFD that doesn't support OBD II


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