obd1 p72 ecu pinout

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06-13-2007, 07:34 PM

808jdm_profileEG6

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obd1 p72 ecu pinout

where can I find the obd1 p72/p28 ecu pinout.i searched and found only the obd2 one.I know i found the obd 1 p72 one before but i cant find it now.i need one with pictures for the plugs and what number they are like A6 etc.thanks

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06-13-2007, 07:37 PM

numbnuts22715

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Re: obd1 p72 ecu pinout (808jdm_profileEG6)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 808jdm_profileEG6 »</TD></TR><TR><TD CLASS="quote">where can I find the obd1 p72/p28 ecu pinout.i searched and found only the obd2 one.I know i found the obd 1 p72 one before but i cant find it now.i need one with pictures for the plugs and what number they are like A6 etc.thanks</TD></TR></TABLE>

talking about this?

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06-13-2007, 07:38 PM

numbnuts22715

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whoops.. this may be better..

http://www.ff-squad.com/technet/wiring.obd1.htm

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06-13-2007, 07:47 PM

808jdm_profileEG6

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yup exactly what i was looking for...do you know which pin I hook up the a/f ratio guage signal to?

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06-14-2007, 01:45 AM

BlueIntegraBoy

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Re: (808jdm_profileEG6)

Pin D14

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06-18-2007, 11:40 PM

kauaiboy66

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Thanks I needed this too

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06-18-2007, 11:47 PM

1.8L_allmotormilitia

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^ pics helped 234432234234x's.

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08-28-2007, 09:52 AM

purehonda12

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ems hook up

thanks i have been looking for this too.. I am geting ready to turbo my 94 gsr. I saw that you are suposted to de-pin a22 ignition control module. How come you de-pin this one with the ems? Thanks for your time.

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08-28-2007, 09:58 AM

deftonerider

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thats very useful thanks

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10-05-2007, 01:29 PM

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20_sec.hatch

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Re: (deftonerider)

needed this, THANKS

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07-30-2008, 05:29 AM

#11

xtremeness101

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Re: obd1 p72 ecu pinout (numbnuts22715)

anyone know where the pin for the tach signal goes?? or does it go straight from the ignitor on the dizzy to the gauge cluster?

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04-27-2009, 06:15 PM

#12

civicracer94

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Re: obd1 p72 ecu pinout

wtf i still dont see the rpm signal

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04-27-2009, 06:22 PM

#13

94EG8

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Re: obd1 p72 ecu pinout

Quote:

Originally Posted by civicracer94

wtf i still dont see the rpm signal

OBD1 and OBD2A civics and Integras get their tach signal from the igniter in the distrbutor and from there it goes to the cluster, the ECU isn't involved. Its only OBD2B civics and integras that get their tach signal from the ECU.

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04-27-2009, 06:26 PM

#14

civicracer94

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Re: obd1 p72 ecu pinout

i have (obd1) 94 civic and hooking up an apexi vafc i found everything else but not where the rpm signal go ... so will i have to run this all the way under the hood to the blue wire at the fire wall ?

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