[Getshocked.ca]

I have been readin alot of posts concerning failed IMA Packs. So far it seems mainly 00, 01 will get the boards replaced whereas 02 + get only the battery. I just read Ricks post and his 02 got one as well

Anyone know what is the deciding factor on if they get replaced or not??

Thanks

 

[joecvt]

I think the updated controllers got installed in all 03+ models (maybe
some late 02s still in production at the time of change)

JoeCVT - Just your average CVT owner

 

[HafNHaf]

the part and serial numbers on the modules determine if they get replaced or not. mine were replaced along with the battery a few months ago.

 

[Insightful Trekker]

AFAIK _NO_ 00-01 models were factory equipped with the newer PN MCM or BCM. S.B. 04-028 _seems_ to imply that the change happened sometime during the 02 model year. For a condensed version taken from the bulliten see:

http://www.insightcentral.net/forum/vie ... 7&start=45

And there have been sporadic reports of MCM & BCM replacement without the IMA battery pack. So depending on a particular vehicle's repair history it may already be equipped.

HTH!

 

[Rick]

Guess the line must have been drawn sometime in 2002. Mine's #559 and I think was born in December 01 so I guess I had the old BCM/MCM combo. That also explains why it took them so long to diagnose the problem if they had to open the magic box and put it back together.

 

[dont have one yet]

I have one now!

You can try calling american honda. before I bought mine (today, lol) I did an extensive background check on both my options. I found out that my 2000 had its "ecm" updated in august 2003 at 25k miles because there was a recall letter sent to the owner (along with the parking leaver and headlight wiring recalls). I'm assuming that the "ecm update" included all the control modules.

 

[joecvt]

I believe the ECM update is only a firmware (software reprogramming)
update without swapping any controllers with new ones.

JoeCVT - Just your average CVT owner

 

[Aaron Cake]

I believe the ECM update is only a firmware (software reprogramming)
update without swapping any controllers with new ones.

They defninitly swap the ECM. My new ECM is subtly different in physical appearance from my old one (scratches in different places).

 

[dont have one yet]

I have one now

Where is the ecm physically located? is it under the passengerside kick panel like all other standard Hondas? Or is it in the back w/ the battery?

Picture of the junction board:

It shows the ecm as being apart of the junction board's circuitry. It doesn't show a seperate BCM or MCM anywhere in the diagram. Could the term ECM entail the BCM and MCM?

 

[flunkysama]

Re: I have one now

Where is the ecm physically located? is it under the passengerside kick panel like all other standard Hondas? Or is it in the back w/ the battery?

The ECM is in front of the passengers feet. It is not field flashable. Even for minor software changes, the ECM is need to be physically replaced. (The ECM controls the "immoblizier" so when it is replaced, the keys need to be replaced as well)

It shows the ecm as being apart of the junction board's circuitry. It doesn't show a seperate BCM or MCM anywhere in the diagram. Could the term ECM entail the BCM and MCM?

That diagram is hardly complete. The Battery to the left and the ECM, MDM, motor and DC-DC convertor on the left are all seperate from the junction board. (Although the junction board is bolted to the battery pack.)

Go here and click around
http://www.insightcentral.net/encyclopedia/enimacomponents.html
or better yet, get the service manual and browse through the IMA section.

The MCM and BCM both contain processors and I believe they can not be "flashed" with upgraded software either.