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I'm looking for the 04 MSM (ie SE) ecu pinout diagram. I am running an Autronic with a patch to the stock harness ecu connector, and having some aircon issues which require identification of the aircon wires at the ecu end.

I have found this download pdf on mt.net. It is referred to as 'powertrain control module', which is looking like an ecu to me. It also says it is located behind the dash, but my ecu was in the passenger footwell ... so I am looking for some reassurance that the diagram is in fact the MSM ecu pinout, and that terminology and the unit's location are variables. Otherwise all that the all-knowing Mr Google seems to be able to find are references with dead links.

Oh, you ask, how come the person who built the patch harness hasn't got one, he must have had it to build the patch harness in the first place? Yes, he did, but it seems that computer gremlins have resulted in it going AWOL.

It would be super if we could find a pinout of an ADM SE (MSM), or even a RHD MSM, but if the attached Mitchell diagram is the best we can do, we will work on that.



PS Yes, this is posted on mt.net too

Job done! Will report details later.

Thanks to Roadrunner and Lokiel, who both responded with pinout details, my need is satisfied with the ADM SE details. Good to go, thanks again to you both.

Updating, to say that the tuner is happy with the diagrams, so again thanks to you both!

For pins for the stock ECU plug, see SE ECU pins discussion.