2013 FRS | Documented LS2 Swap | How to DIY + Parts List + CANBUS - Page 4 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

spitsnaugle · 09-17-2018, 09:19 PM

Quote:

Originally Posted by MRS-Colin

Awesome! I forgot to mention that I have a 3D printer so if you need parts you can just toss me the file and I'll print it for you. No need to pay the price at Proto

Getting closer:

all4spl · 09-18-2018, 12:03 PM

In for the clutch master piece. I want one haha

spitsnaugle · 09-18-2018, 12:19 PM

Quote:

Originally Posted by all4spl

In for the clutch master piece. I want one haha

PM'd

spitsnaugle · 09-26-2018, 12:19 AM

Finishing up wiring and plumbing...

VR4EVER · 09-26-2018, 08:26 AM

So you used the factory grommet eh?

spitsnaugle · 09-26-2018, 10:27 AM

Quote:

Originally Posted by VR4EVER

So you used the factory grommet eh?

Its where I'm testing with right now, the WiringSpecialties harness is almost too short to route through there, it seems designed to split from behind the trans. I'll need to cut the rubber grommet open a bit more as the OD of the new harness is around 7/8"

Other possible locations I'm considering:

Low passenger side, near frame, where sound tube comes in.
Above transmission- behind the radio.

spitsnaugle · 09-26-2018, 11:39 PM

Stayed with running harness through modified grommet.
Got the ECU in, I think it'll fit next to the original ECU.
Engine is 90% wired up.
Got a quote on 3" DSS driveshaft - its $525 shipped

VR4EVER · 09-27-2018, 09:44 AM

Looking like you almost know what you're doing!! I'm pumped to hear this thing fire!

spitsnaugle · 10-03-2018, 12:17 AM

ECM Wiring Notes:
Some rather important ECM / ECU pin outs below:

When you're no longer using the factory harness for the engine. You need to reconnect three grounds to the ECM, highlighted in light blue below. (I did NOT note actual wire colors). Without these you will have no start, or fuel pressure.

For Canbus integration its A33 18/19 (highlighted in yellow).

ECM Ignition / Power at key is A33--27
Start should be A35--26 (highlighted in red). I have not personally tested this one yet.

DustinS · 10-03-2018, 10:10 AM

Quote:

Originally Posted by spitsnaugle

ECM Wiring Notes:
Some rather important ECM / ECU pin outs below:

When you're no longer using the factory loom. You need to reconnect three grounds to the ECM, highlighted in light blue below. (I did NOT note actual wire colors). Without these you will have no start, or fuel pressure.

For Canbus integration its A33 18/19 (highlighted in yellow).

ECM Power at key, it SHOULD be A34--06
Start should be A35--26 (highlighted in red). I have not personally tested this one yet.

Hmm. I never reconnected these grounds and car is running fine. Wonder why I haven't had an issue and it seems a lot of other people have. Did you add a pins and wire to ground it? or just cut and add to ground?

These grounds are Black/Red - Black/White - Black/Yellow and connect to AC1 plug (engine harness plug in engine bay) and ground at the injector harness. I know for a fact I haven't grounded these as I cut them short this last rebuild and used the wire for extending another part of my harness. Going to try grounding these and figure out what happens. Maybe the cause of my CEL?

spitsnaugle · 10-04-2018, 05:00 PM

Quote:

Originally Posted by DustinS

Hmm. Did you add a pins and wire to ground it? or just cut and add to ground?

I just took the wires from the ECU connector, added a terminal and grounded them to the body.

I should note I've updated my post above. A34-06 Is NOT a immediately off-key switched source. Testing two others tonight. Wish our factory diagram was a little easier to search. I'll be replacing my graphic/labels when I have it pinned down.

spitsnaugle · 10-04-2018, 09:55 PM

FIRST(ish) Start:

Bypassed the Fuel Pump Voltage Controller, its located passenger behind the side panel. Green wire to Red wire. Now gets constant 60lbs according to my pressure gauge on the fuel rail. You can chase this wire up to the passenger side to the passenger footwell and connect it to the GM fusebox/GM ecu for fuel control.

Had to tinker around in HP tuners to disable VATs.

Colin's MRS Canbus translator module is working wonderfully, I have a working fuel gauge, tach, temp, no check engine light, etc. He lives about 5 minutes from my garage, so he stopped by on his way home from work to help wire it up!

Remaining items:
1. A driveshaft
2. Figure out radiator lines
3. connect the clutch master cylinder.
4. Tidy up wires and put panels back in place.
Its so close to done!

MRS-Colin · 10-05-2018, 09:39 AM

Glad to help! Now get the rest of it done!

VR4EVER · 10-05-2018, 01:27 PM

Curious how that master cylinder adapter fits! Sounds so good already!

09-26-2018, 11:39 PM	#49
spitsnaugle Senior Member Join Date: Mar 2018 Drives: LS Swapped Scion FRS = 440HP Location: Dayton OH Posts: 298 Thanks: 37 Thanked 276 Times in 134 Posts Mentioned: 19 Post(s) Tagged: 0 Thread(s)	Stayed with running harness through modified grommet. Got the ECU in, I think it'll fit next to the original ECU. Engine is 90% wired up. Got a quote on 3" DSS driveshaft - its $525 shipped Last edited by spitsnaugle; 09-27-2018 at 10:43 AM.

10-03-2018, 12:17 AM	#51
spitsnaugle Senior Member Join Date: Mar 2018 Drives: LS Swapped Scion FRS = 440HP Location: Dayton OH Posts: 298 Thanks: 37 Thanked 276 Times in 134 Posts Mentioned: 19 Post(s) Tagged: 0 Thread(s)	ECM Wiring Notes: Some rather important ECM / ECU pin outs below: When you're no longer using the factory harness for the engine. You need to reconnect three grounds to the ECM, highlighted in light blue below. (I did NOT note actual wire colors). Without these you will have no start, or fuel pressure. For Canbus integration its A33 18/19 (highlighted in yellow). ECM Ignition / Power at key is A33--27 Start should be A35--26 (highlighted in red). I have not personally tested this one yet. Last edited by spitsnaugle; 12-05-2018 at 02:08 PM.

10-04-2018, 09:55 PM	#54
spitsnaugle Senior Member Join Date: Mar 2018 Drives: LS Swapped Scion FRS = 440HP Location: Dayton OH Posts: 298 Thanks: 37 Thanked 276 Times in 134 Posts Mentioned: 19 Post(s) Tagged: 0 Thread(s)	FIRST(ish) Start: Bypassed the Fuel Pump Voltage Controller, its located passenger behind the side panel. Green wire to Red wire. Now gets constant 60lbs according to my pressure gauge on the fuel rail. You can chase this wire up to the passenger side to the passenger footwell and connect it to the GM fusebox/GM ecu for fuel control. Had to tinker around in HP tuners to disable VATs. Colin's MRS Canbus translator module is working wonderfully, I have a working fuel gauge, tach, temp, no check engine light, etc. He lives about 5 minutes from my garage, so he stopped by on his way home from work to help wire it up! Remaining items: 1. A driveshaft 2. Figure out radiator lines 3. connect the clutch master cylinder. 4. Tidy up wires and put panels back in place. Its so close to done! Last edited by spitsnaugle; 05-10-2021 at 02:06 PM.

10-05-2018, 09:39 AM	#55
MRS-Colin Senior Member Join Date: Jun 2016 Drives: 2001 Impreza 2.5 RS Location: Dayton, Ohio, USA Posts: 139 Thanks: 14 Thanked 293 Times in 98 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Glad to help! Now get the rest of it done! __________________ Colin Beck

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09-18-2018, 12:03 PM	#44
all4spl Senior Member Join Date: Mar 2016 Drives: 2013 FR-S Location: Chesapeake, VA Posts: 400 Thanks: 61 Thanked 78 Times in 60 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	In for the clutch master piece. I want one haha

09-26-2018, 12:19 AM	#46
spitsnaugle Senior Member Join Date: Mar 2018 Drives: LS Swapped Scion FRS = 440HP Location: Dayton OH Posts: 298 Thanks: 37 Thanked 276 Times in 134 Posts Mentioned: 19 Post(s) Tagged: 0 Thread(s)	Finishing up wiring and plumbing...

09-26-2018, 08:26 AM	#47
VR4EVER Member Join Date: Jun 2016 Drives: 2013 LS3 FRS, 3000GT VR4, MKV Supra Location: Dayton Ohio Posts: 48 Thanks: 4 Thanked 13 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	So you used the factory grommet eh?

09-27-2018, 09:44 AM	#50
VR4EVER Member Join Date: Jun 2016 Drives: 2013 LS3 FRS, 3000GT VR4, MKV Supra Location: Dayton Ohio Posts: 48 Thanks: 4 Thanked 13 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Looking like you almost know what you're doing!! I'm pumped to hear this thing fire!

10-05-2018, 01:27 PM	#56
VR4EVER Member Join Date: Jun 2016 Drives: 2013 LS3 FRS, 3000GT VR4, MKV Supra Location: Dayton Ohio Posts: 48 Thanks: 4 Thanked 13 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Curious how that master cylinder adapter fits! Sounds so good already!

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