2006 E350 (w211) Production Date 8/2006

[Avechuchoaxel]

I need clear picture of EIS (Ignition Key Module) both sides for MCU pin 1 location
W211_ ST12_287 714
15/S

This is 80 PIN

MCU9S12

Thanks!

[Avechuchoaxel]

do not have a picture but if you have the board micro side up with the micoswitch at the top and 8pin connectors each side at the bottom pin 1 of the micro is bottom pin right hand side of the micro by the SMALL dot on the top of the micro. Arthur.

Thank You.... S O L V E D !!!

First and LAST time I'm taking out a MCU for reprogramming .... Just a couple of pins not soldered. (I hope)

Thanks Arthur
I wish you & your family a Happy Hollidays and a Happy New Year.!!

I extend this salutation to everyone reading this post!!

[Avechuchoaxel]

WELL...NO SOLVED AT ALL !!!!

I think I screwed up the EIS ... I can consider this as a LOST OF MY EIS VIRGINITY !... First module I screwed up ...... So here a few questions.

A "used one with keys" can be re coded or reprogrammed to this vehicle?

A used one, and "original keys" can be used?


Key still don't turn .... the board gets a little warm under, but I have no idea if this is normal.


I've read that the key must be left in the ignition for a few hours... I don't know... maybe some "experienced" friends can help me out a little....

Thanks !!!

Merry Christmas.
PS: I'm gonna add a WISH to Santa's letter to get the car starting tomorrow morning!!!1

[hcip]

Check your soldering sometimes it happened to me
I think there is unwanted shorts from the leg of MCU

[Clusterslaststand]

Here is a classical case of someone who needs a rosfar!

What did I say toyou about the porsche?

But no, you carry on and practice on expensive stuff,

First thing you do is enrol in the school of soldering, then you buy yourself some glasses.


You either havent soldered the micro back correctly or left bits of solder hanging around, or even overheated the micro or smd components or dislodged a component, or lost the copper hinge lever that connects to the micro sitch of the key, or got one of the micro switches gummed u p with spray or.............1 of a million other things.

[Avechuchoaxel]

Here is a classical case of someone who needs a rosfar!

What did I say toyou about the porsche?

But no, you carry on and practice on expensive stuff,

First thing you do is enrol in the school of soldering, then you buy yourself some glasses.


You either havent soldered the micro back correctly or left bits of solder hanging around, or even overheated the micro or smd components or dislodged a component, or lost the copper hinge lever that connects to the micro sitch of the key, or got one of the micro switches gummed u p with spray or.............1 of a million other things.

Thank you for your comments....

I did not found in any forum people that feel themself ashamed by having or using a Rosfar ... so I dont get what you mean with "classical case" ...

Soldering was done properly, no "bits" left overs, no overheatings, no cooper tracks ripped , cooper hinge is in place, no SMD components arround working area was affected, microswitch is working as normal....maybe in that "1 millon of other things" is the problem... What about some problem with programming?

You told me about PORSCHES, ok it's true. What I'm supossed to do... just stick on with 96 TOYOTAS for the rest of my life???jajaja sure no my friend... I do japanese and american cars every day, 2 to 4 jobs a day.. I consider myself well experienced on those vehicles... I can wreck some cheap and expensive parts before I get more practice... I'll bet all what I have.... that there is no SCHOOL FOR TAMPER PORSCHES, M BENZ or other expensive vehicles... Everything is about experience, common sense and most important..ask for others experiences before attempt to "fix" something.. I did wreck some clusters before, not so many as I expected.... How many did you wreck?? I know my limitations... and when I reach that limitation I went to somebody else with enough experience, knowlodge to get the job done. BUT I LEARN HOW TO IMPROVE MY KNLOWLEDGE, so next time I'll be more carefull, knowing what to do and what no to do.

Anyways, I ordered my CAS3 programmer, as part of that improvement. having the right tools will let me do better & quality jobs. I'll reduce to the minimun the risk to remove a MCU again... With all this said... LESSON LEARNED my friend!! jejej

BTW ...I do not need glasses, my vision test is 20/20 as per my annual pilot license certification... and for those special jobs, I have an industrial camera based macroscope...

Happy Holidays and new year !!! to all !!

[Clusterslaststand]

So I see by your post on elite diagcar that you suspect it could be programming problem.
Did you use ETL to programme this?
Ianswered on other forum that you should swap micro onto other eis, but if you think you have programme error that will not do.

My point was to not do these jobs until you know how to.
Why not practice on spare eis? much cheaper.
I assume with your super eyes and super microscope all the soldering was inspected ok
very good luck

[Avechuchoaxel]

So I see by your post on elite diagcar that you suspect it could be programming problem.
Did you use ETL to programme this?
Ianswered on other forum that you should swap micro onto other eis, but if you think you have programme error that will not do.

My point was to not do these jobs until you know how to.
Why not practice on spare eis? much cheaper.
I assume with your super eyes and super microscope all the soldering was inspected ok
very good luck

I get your point, maybe I over reacted a little... anyways... thank you for your time to answer here and there...

I'm re checking everything on the board, last time this happen, after hours doing inspection of each part of the board I found a little piece of solder wick in between capacitor legs...

What I have not clear is if in the EIS replacement I need actual keys (which is my tought) or the ones paired with that EIS ??

Regards!!

Axel

[Avechuchoaxel]

I got now your post from the "other place" jejej thank You!

[hcip]

Have you remove the MCU again and check in between the legs?
Have you check the on board adapter for programming if there is a trace remove from it?
I know that you are using digimaster for this work and the adapter of digimaster has low quality, if the cooper trace has remove from this adapter while you removing micro on it, there is a chance that the cooper trace is together with the mcu leg, and thats the symptom you are mentioning, a little hot on the pcb when you install the eis

Try to remove again the MCU and clean the legs and check if there is unwanted copper between the legs

I dont think that you oveheated some parts, the tiny parts including MCU
has baked from very high temperature when manufacturing this parts to avoid bubbles on its pack and heating by any soldering equipment will not destroy it unless you reached to maximum temperature tolerance on it case

I have a tools that can do this from in circuit but I am always using on board programming for my sure job.

Before I am shift to this job I am former celphone technician
and I removing and soldering the BGA device (device with no legs) without any problem for heating it. this device is smaller than the EIS MCU

For MCU removing in eis and cas I always set my soldering station in position seven for heater and 4.5 for air in removing MCU. I used soldering Iron to place it on adapter or in PCB board but I have no experinced overheating for this setting

Big regards to all and happy soldering practice