identifying different ecu's

[stanleym]

hey guys

i trying to tell what types of ecu's i have... i got one thats in my 1991 da9 and i pretti sure its a obd0

and then i have another one outside the car

is there any specific way to be able to tell what type of ecu it is
marking on the ecu?

let me kno cheers

[bennjamin]

All Honda ECUs have a part number which is located on a sticker on the side of the ECU and inside the ECU on the connector. e.g. XXXXX- p72 - A02 etc.
The 1st number is the HONDA ECU number
the 2nd number relate to the car / engine
the 3rd number is the revision of the ECU

[XB-16-AX]

hey guys

i trying to tell what types of ecu's i have... i got one thats in my 1991 da9 and i pretti sure its a obd0
Correct - its OBD0 - and most likely it will be a PR3 or a PW0.



and then i have another one outside the car
??? another ECU outside the car? can you clarify this?

is your car an Auto? if so could possibly your Auto transmission module.

But as from what Bennjamin said, thats how u identify the coding / serial numbers on the ECU.

[stanleym]

i mean as in a spare one inside my house...

ill get ths numbers and post them up .. woudl that help

[XB-16-AX]

yeh take photos of both ECU numbers and then we can surely identify what is what.....

[stanleym]

alright this is the ecu that is not in the car



now the good pic if the one outside of the car......

and the bad pic was the one inside the car (obd0 i pretti sure)
but the numbers are
37820-p70? - a01??

not sure about the last2
but anyhelp about the good pic ecu will be greatly appreciated

[XB-16-AX]

ok here is the deal.

the clear pic (left) is from a: 96-99 Euro Civic VTI EK4 - OBD2A EDM P2T-G01 (European Domestic Model)

the right pic is from a: ZC VTEC AT Domani MA-4 93' - OBD1 JDM P70-900 (Japanese Domestic Model)

here is link with all the honda ECU identifiers!

http://www.pgmfi.org/twiki/bin/view/Library/EcuDefinitionCodes


hope that helps!

hope that helps man..

[stanleym]

thanks champ... iterestin about that 2nd one maybe i got some of the numbers wrong .. cuase that was the stock da9 ecu that came with the car??

[XB-16-AX]

thanks champ... iterestin about that 2nd one maybe i got some of the numbers wrong .. cuase that was the stock da9 ecu that came with the car??

yeh it made me think also ...especially the first block of numbers "37820" weird ...

oh wells...

what colour were/are the plugs for the ECU? grey or yellowish/brownish?

[stanleym]

ill have to get back to u on that as i dont have the ecu infront of me....

[stanleym]

actually i must have miss spelt it coz this da9 is not vtec lol.....unless it has the capabilities to run vtec???

ill find out the proper numbers for it

[XB-16-AX]

actually i must have miss spelt it coz this da9 is not vtec lol.....unless it has the capabilities to run vtec???

ill find out the proper numbers for it

best bet would be is take a pic of the whole ECU from the top view and on the plug view and type up the numbers correctly yo! :thumbsup:

then we can start again!!

[stanleym]

new update

the ecu that was in the car...

#37820 - pr4-q10 (thats the top part)
434-200382 AX (bottom part)

i duno wtf it is lol

[XB-16-AX]

new update

the ecu that was in the car...

#37820 - pr4-q10 (thats the top part)
434-200382 AX (bottom part)

i duno wtf it is lol

The above ECU is either from a:

OBD0 ADM PR4-Q51 88-89 Integra LS/GS B18a
OBD0 ADM PR4-Q02 90-91 Integra LS/GS B18a

**So yeh previously the VTEC Domani is not this ECU.**

:thumbsup: