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COP setup wiring (Denso 90919-02240, Yaris/Echo Schematics)

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Old Aug 1, 2012, 09:10 PM   #1
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COP setup wiring (Denso 90919-02240, Yaris/Echo Schematics)

I was about to wire my new DIY COP setup, but I didn't feel safe by trusting unknown people on EvoM .
If the wiring is wrong, the ECU could be damaged so I just sourced a toyota repair manual, and verified all the wiring diagram on these forums.
Info on EvoM was on target , but there was no big schematic that had all the info needed.

I edited one to a complete wiring diagram, which apply only for the Denso 90919-02240 coils. It should help quickly understanding how to do the COP:



(Black/Yellow from Evo connector may be Black/White, use whichever you have)
IGF wire is used to create a square wave, for tach, just cut it and seal it forever


So now it's time to go to your local junkyard and get some coils from a Toyota Echo or Yaris (try to get
some low mileage ones). It's a very easy mod to do, well worth the dyno/drivability proven gain of these kits.


If you have questions, or comments... don't hesitate! Thanks for reading



------------------------------------------------------------------------------------------------------------------


My personal toughts on the COP setup:

The improvement that made me the happiest is that the tip-in/spool response has improved by a minimum of 5% faster, which is a big difference. Quite hard to believe, but it really happened.

Idle:
-10% smoother than stock.
-Neutral reving feels like the flywheel is lighter.

1st gear:
-More low end torque.
-From a takeoff on the street, it's near as powerful now with the AC on than it was without the AC.


2-3-4-5 gear low end:
-A very little noticeable improvement in low end non-WOT.

All gears at wide open throttle run:
-As you gain RPM, the acceleration is definitely 10% smoother than stock (already had a very smooth timing map on mine)
-I did not do any Vdyno after, but I'd say under 10whp improvement from a 315whp baseline. The WOT gains are especially felt in the high RPM range for me. I don't have a very high flow with my VIII turbo at 24psi. You'd get more gain from this kit if you have a Black at 28 psi

My plugs were gapped at .024. I'll open them to .028 when I'll find my gapping gauge
It could reduce some random knock. I'll update.

Last edited by domyz; Jan 5, 2013 at 08:57 PM. Reason: Revised Evo connector pinout
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Old Aug 2, 2012, 09:24 AM   #2
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Awesome writeup dude thank you.

Has anybody done this with nissan coils? From like a 350?

Last edited by Ralliart004; Aug 2, 2012 at 09:24 AM. Reason: update
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Old Aug 2, 2012, 09:40 AM   #3
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Quote:
Originally Posted by Ralliart004 View Post
Awesome writeup dude thank you.

Has anybody done this with nissan coils? From like a 350?
Better stick with coils that has known OEM-like dwell time.
If you don't know this parameter for 350z ones they could misfire,
or burn if their dwell time specification is longer, or shorter.
Also, physically they look too big to fit under the stock cover (not a big problem)

You can get 4 yaris coils from junkyard for under 100$ with pigtails.

Last edited by domyz; Aug 2, 2012 at 09:43 AM.
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Old Aug 3, 2012, 08:53 AM   #4
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Quote:
Originally Posted by domyz View Post
Better stick with coils that has known OEM-like dwell time.
If you don't know this parameter for 350z ones they could misfire,
or burn if their dwell time specification is longer, or shorter.
Also, physically they look too big to fit under the stock cover (not a big problem)

You can get 4 yaris coils from junkyard for under 100$ with pigtails.

Cool thanks for the info.
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Old Aug 3, 2012, 10:30 AM   #5
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cool. thanks for the added info. waiting for my male plugs and will start surgery tomorrow.
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Old Aug 7, 2012, 06:42 AM   #6
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Quote:
Originally Posted by domyz View Post
I was about to wire my new DIY COP setup, but I didn't feel safe by trusting unknown people on EvoM .
If the wiring is wrong, the ECU could be damaged so I just sourced a toyota repair manual, and verified all the wiring diagram on these forums.
Info on EvoM was on target , but there wasn't a big schematic that had all the info needed.

So I came editing one to a final wiring diagram, which apply only for the Denso 90919-02240 coils. It should help quickly understanding how to do the COP:



(Black/Yellow from Evo connector may be Black/White, use whichever you have)
IGF wire is used to create a square wave, for tach, just cut it and seal it forever


So now it's time to go to your local junkyard and get some coils from a Toyota Echo or Yaris, and try to get
some low mileage ones. It's a very easy mod to do, well worth the dyno/drivability proven gain of these kits.


If you have questions, or comments... don't hesitate! Thanks for reading.
what kind of gauge wire did you use for this?
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Old Aug 7, 2012, 06:54 AM   #7
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18ga would be well enough for this application... The yaris coils connector are 18gauge so anything bigger won't improve the system, but won't hurt. It's like fitting a 3" downpipe to the stock catback

I used 14ga I had laying around in my garage. Anything bigger will be hard to bend.

Last edited by domyz; Aug 7, 2012 at 08:50 AM.
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Old Aug 7, 2012, 05:22 PM   #8
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I noticed tho in the spoolin up kit they use all 4 ports of the connector to run somewhere other then just cuttting and sealing it off
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Old Aug 8, 2012, 03:21 AM   #9
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Quote:
Originally Posted by STIKiller4G63 View Post
I noticed tho in the spoolin up kit they use all 4 ports of the connector to run somewhere other then just cuttting and sealing it off
They can't use it: this square wave is uselsss in the evo. Wire are sealed somewhere else. Evo connector has only 3 wires anyway.

Last edited by domyz; Aug 8, 2012 at 06:34 AM.
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Old Aug 8, 2012, 06:09 AM   #10
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didn't mean to second guess your great thread...just curious...thanks for the post brother...how did she feel after?
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Old Aug 8, 2012, 06:31 AM   #11
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Quote:
Originally Posted by STIKiller4G63 View Post
didn't mean to second guess your great thread...just curious...thanks for the post brother...how did she feel after?
My personal toughts on the COP setup:

The improvement that made me the happiest is that the spool/transcient response has improved by a minimum of 5% faster, which is a big difference.

Idle:
-10% smoother than stock.
-Neutral reving feels like the flywheel is lighter.

1st gear:
-More low end torque.
-From a takeoff on the street, it's near as powerful now with the AC on than it was without the AC.


2-3-4-5 gear low end:
-A very little noticeable improvement in low end non-WOT.

All gears at wide open throttle run:
-As you gain RPM, the acceleration is definitely 10% smoother than stock (already had a very smooth timing map on mine)
-I did not do any Vdyno after, but I'd say near 10whp improvement from a 315whp baseline. The WOT gains are especially felt in the high RPM range for me.

My plugs were gapped at .024. I'll open them to .028 when I'll find my gapping gauge
It could reduce some random knock. I'll update.

Last edited by domyz; Aug 23, 2012 at 07:21 AM.
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Old Oct 15, 2012, 08:39 PM   #12
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any pictures of this set up?


bumping an old thread so i dont have to make a new one
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Old Oct 16, 2012, 03:55 AM   #13
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Hey man keep the info coming in, thanks for putting this out there.
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Old Oct 16, 2012, 04:52 AM   #14
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Hi!
I could get picture but this is really easy to find if you search for it on this forum.
If you really want it I'll take one from my car.

As far as knock reduction, I cannot tell if gapping my plugs from 0.024 to 0.028 did reduce knock. I did not have much random knock in my car. I have a silent 4g63 I'd say the tune is really on target and ultra smooth. What I could say is that I ended with a 0.25 gap. My car is getting less misfires at cold startup. This did not add knock. IMO if you get knock from too small gap, it's because AFR or timing is tuned on the edge... and you're pushing it.

Good luck DIYers!
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Old Oct 26, 2012, 01:18 AM   #15
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I bought 4 coil w pig tail for $45 and $30 worth of supplies from spoolinup. Great cheap mod.
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