OBD1 From OBD2b (I Am confused)!

Wiring up and working with the D14 ECUs
User avatar
Dodo Bizar
Site Admin
Posts: 2009
Joined: Mon Jun 22, 2009 10:36 pm

Re: OBD1 From OBD2b (I Am confused)!

Post by Dodo Bizar »

The 96-98 EJ9 dizzy is a weird one, I know it exist in a 1.5 litre car in the middel-east and in an Aussie 1.6 litre Civic as well.

This 'special' dizzy lacks one sensor (CYP) and has different signals. Normally magnets/spools are used to measure pulses, but in the 'special' dizzy a LED light with light sensor is used instead, giving another type of signal.

The OBD1 ECU's need the magnet/spool type sensor I believe and need the CYP sensor I am sure about. So that is why 96-98 EJ9 owners like me are screwed and 99-00 owners can save money and effort.

Law_
Posts: 1154
Joined: Wed Aug 05, 2009 3:37 pm
Location: Portugal

Re: OBD1 From OBD2b (I Am confused)!

Post by Law_ »

Cool stuff to tell the friends x) Led Light signal :D
Thanks, soon i'll buy my dizzy too.
D16Y8's one

User avatar
cad civic mechanic
Posts: 140
Joined: Mon Jan 18, 2010 8:08 pm
Location: Bangor N.I

Re: OBD1 From OBD2b (I Am confused)!

Post by cad civic mechanic »

Law_ wrote:
mynameisowen wrote:
Law_ wrote:And dont you have to change dizzy?
OBD2b (1998 onwards EJ9's) dont require dizzy change only OBD2a (1996-1998).
Didnt knew ! Why is that?
Lucky bastards !
Hehe
Cheers
This just gets stranger and stranger, Im running an OBD2A ecu, with a nine wire OBD1 dizzy (two plug type) and the build date of the car was november 1999, my engine must have been built with surplus parts :lol:
Dont slack her till you wreck her, horse on regardless

User avatar
Dodo Bizar
Site Admin
Posts: 2009
Joined: Mon Jun 22, 2009 10:36 pm

Re: OBD1 From OBD2b (I Am confused)!

Post by Dodo Bizar »

I am not gonna answer that :lol: .

User avatar
cad civic mechanic
Posts: 140
Joined: Mon Jan 18, 2010 8:08 pm
Location: Bangor N.I

Re: OBD1 From OBD2b (I Am confused)!

Post by cad civic mechanic »

Dodo Bizar wrote:I am not gonna answer that :lol: .
:lol: shes just in a league of her own, a very special case :lol:
Dont slack her till you wreck her, horse on regardless

User avatar
mynameisowen
Posts: 1307
Joined: Thu Aug 20, 2009 3:38 am
Location: London or Oxford, England
Contact:

Re: OBD1 From OBD2b (I Am confused)!

Post by mynameisowen »

Crazy cool UK civics man. At leats I can say my car was built at Suzuka, instead of Swindon ;)
1996 EJ9 Civic
1998 BB8 Prelude Motegi VTi
1998, B16A2 EK4 Civic VTi

Aims:
EJ9 - Now my GF's car.
BB8 - Rebuild after crash damage to front end.
EK4 - Daily driver. Strip and track prep once prelude project complete

Post Reply