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Thread: other ECM options

  1. #276
    Accord of the Year - 2007

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    Re: other ECM options

    So what wire at the ECU harness is the speed sensor wire for the factory A20. I have not been able to get my Vtec to engage properly due to no speed signal to the ECU. The ECu must register 20MPH or over to engage Vtec. I dont have Cruise control so I jsut want to plug it right up.
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  2. #277
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    Re: other ECM options

    on my 87 lxi its b18 for the vss




    eric

    Is your distributor new? If not that might be something to look into.
    Last edited by guaynabo89; 10-31-2006 at 10:28 AM.

  3. #278
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    Re: other ECM options

    Quote Originally Posted by guaynabo89
    on my 87 lxi its b18 for the vss
    eric
    Is your distributor new? If not that might be something to look into.

    So if I wire it at the ECU do I have to use the resistor or will it work without it. I tried reading through the thread, but I got lost on the second to last page.
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  4. #279
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    Re: other ECM options

    Ok the 86 LX-i must be different, because I do not even have a b18 wire. THere is a b20, but no b18.
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  5. #280
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    Re: other ECM options

    Quote Originally Posted by Legend_master
    So if I wire it at the ECU do I have to use the resistor or will it work without it. I tried reading through the thread, but I got lost on the second to last page.
    no youll still have to add the resistor. but you wire it in to the speed pulser output of the dash cluster. heres what I did. I could have sworn I posted these pictures befroe but I couldnt find them in any thread so here it goes again.





  6. #281
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    Re: other ECM options

    The 86 equiped with the BT motor has a completely different setup. I am about to post up the pics in the next min or so.
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  7. #282
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    Re: other ECM options

    Here you go









    Here is the inside of the white box. Can you graph this for me





    The white box has 4 wires going out of it and I am about to make a diagram of how they are run.
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  8. #283
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    Re: other ECM options

    Here is how the wireing goes. I assume the green plug went into the cruise control unit under the hood, but it has been awhile since I had that.

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  9. #284
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    Re: other ECM options

    Are you positive that you dont have a wire at B18 in your ecu harness? Seems kind of odd since the 86-87 were almost exactly the same.

    Out of the small plug on the white box is the vss output c1 on the plug. Itll be either end of the plug. cut thet and splice it into the pulser output in A2 of the big rectangular plug that sits on an ange at the corner of the cluster.

    I used all the wiring in the car to make the conections not the wiring on the gauge cluster itself.

  10. #285
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    Re: other ECM options

    Was your hatch carbed before?

    Was your hatch auto or still is?

    does the cable that goes to your b20 pin sit on either side of the yellow plug that goes into the white box on the gage cluster?
    Last edited by guaynabo89; 10-31-2006 at 02:00 PM.

  11. #286
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    Quote Originally Posted by guaynabo89
    Was your hatch carbed before?
    Nope it was fuel injected. Is and was a 5 speed, b20 is the only yellow wire that runs to the ecu

    Is there anyway to test and see if a signal is comeing from the VSS with a Multimeter while I am driving?
    Last edited by HostileJava; 11-03-2006 at 11:17 AM.
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  12. #287
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    Re: other ECM options

    do you have the 86 wiring diagrams? It looks like thats probably the vss signal. If it is just do what I did but use that wire for the vss out. cut it from the 7 pin plug on the white box and splice the 6 k resistor to it

  13. #288
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    Re: other ECM options

    Quote Originally Posted by guaynabo89
    do you have the 86 wiring diagrams? It looks like thats probably the vss signal. If it is just do what I did but use that wire for the vss out. cut it from the 7 pin plug on the white box and splice the 6 k resistor to it

    No all the diagrams say the the 86 is the same as the 87. I figured out all this with the multimeter. I will give that idea a shot, and see if it works.
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  14. #289
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    Re: other ECM options

    you can shoot me a pm if anything. if youd have aim it make it easier

  15. #290
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    Re: other ECM options

    Quote Originally Posted by guaynabo89
    eric
    Is your distributor new? If not that might be something to look into.
    Brand new the only thing i have done to it is cut one of the legs off and use it for test fitting. It hasn't had any power on it till now. I'm going to recheck my wireing again tommorrow (although i checked the conversion harness about 4 times before i put it on).

    Does any one have the shop manual for the for the 92-93 accord so i can trouble shoot the distributor?

    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

  16. #291
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    Re: other ECM options

    i do, shoot me your email and i'll see if i can send it

  17. #292
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    Re: other ECM options

    I found this diagram for the f22b engine which has an external coil. It shows the green wire from the distributor going to the negative side of the coil and the blue wire just goes to the tach. Can anyone verify this for me?


    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

  18. #293
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    Re: other ECM options

    ITS ALIVE

    The blue wire for the tach doesn't connect to the coil. The green wire from the distributor becomes the coil neg.

    A big thanks to Dennis, For helping me for several hours yesterday since helping me make sure the sensors where wired in the right place.

    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

  19. #294
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    Re: other ECM options

    no problem buddy

    i'm glad you get it running finally. Hopefully with you documenting everythign beter than what I did you can help open the way for others

  20. #295
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    Re: other ECM options

    cool now make a short how to so we can have a sticky.

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  21. #296
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    Re: other ECM options

    Quote Originally Posted by shepherd79
    actually helping with electrical part would be great.
    I will try to work on it sunday or monday, but i still have to get my car running correctly.

    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

  22. #297

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    Re: other ECM options

    actually helping with electrical part would be great.
    Alex.

  23. #298
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    Re: other ECM options

    Anyone know which OBDO senors i need to keep and which ones i can remove? I have some vacuum leaks that i want to take care of and making the black box disappear would be even better. If no one knows then i guess i know what I'm doing Sunday and Monday.

    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

  24. #299
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    Re: other ECM options

    the only things you need since we have the same ecu is the map and the evap purge solenoid. You can chuck the rest of it. On my car I only have three vacuum lines the fpr, brake booster, and evap solenoid. The map is mounted on my T.B. so I dont need a line for it. Oh and if you have the 86-87 style iacv the you'll need those lines also. Of course I think you already swapped to a b16 manifold with the iacv mounted on it correct?



    As far as the wiring help. I know I made a nice diaram in paint but it took about an hour to make and I need to fix some of the positins. That will probably help most on the distributor wiring part anyway. The rest of the wiring is double checking your pins at the obd1 ecu you use compared to the obd0 plugs on our accords. and the its just fitting the distributor and fixing the vss which I posted somewhere how to fix that just recently.

    The hard part about it is that things change for each car depending of the year of it and the type of obd1 ecu you choose to run. I know the 86=87 pins are a little diferent than the 88-89.an depending on the obd1 ecu you run some pins are different also.

    Plus there are always small issues that happen. Like Eric and I both are using the same ecu, but he said he was getting a cel for the ELD sensor. I ran my car without it for about a year and never got an ELD CEL.

  25. #300
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    Re: other ECM options

    No, i don't have the b16 mani.

    I will try to get a chart made for the 86-87 conversion harness and any other wireing that is required.

    I'm having a problem with something i still have to figure out, it is causing the main relay to click on and off quickly at random times. Then after it does this for a minute or so the check engine light will come on and run in limp mode, causing my egts to get very high(1500*)
    Last edited by EricW; 11-05-2006 at 07:27 PM.

    Pgm-fi conversion 4-16-05
    OBD1 11-25-06
    Turbo 2-26-07
    Tuned with eCtune 239whp 237wtq

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