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> 3rd gen 3sgte in OBD2 car, Need help with NJ state inspection
post Dec 18, 2017 - 5:13 PM
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JamesNYC

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As the title states, I have a 1996 OBD2 vehicle with a GEN3 swap, and I need to get it inspected. The shop tried plugging in to the OBD2 port, but it would not communicate with the state software. What are my options? Is there a wiring fix, would a standalone help? I am sure I am not the first person trying to inspect an OBD2 car with a JDM engine in NJ. I hope there is an easy fix here.
post Dec 18, 2017 - 7:30 PM
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Box



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Swap in an OBD-II 5S-FE to have it inspected, then swap back to the 3S-GTE afterwards. What most people do since the 3S-GTE ECU is JOBD and a standalone won't be OBD-II compliant either. That or if inspections are a problem for OBD-II vehicles they swap an OBD-I car instead. Being you're new it sounds like someone sold you their car after they figured out they wouldn't be able to get it inspected.

This post has been edited by Box: Dec 18, 2017 - 7:30 PM


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1996 Pontiac Firebird Formula hardtop 6-speed
post Dec 18, 2017 - 8:53 PM
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slavie

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No wiring fix - all wiring is good, but JDM ECU uses a different OBD2 protocol (there are several).
Standalone will not talk to the state computer either. It's illegal for standalone's to do so (they're technically off-road use only), so they don't.
Either get ready to swap the engine every year, get a 94-95 chassis, or dive into the world of 2 computers running your car - fool the "legal" one into thinking it is running the show (with all the emissions crap it will look for) while another computer (standalone or your JDM one) runs the engine.

Allegedly there are shops out there that will hook you up, but it's kinda difficult in NY (read: expensive) as NY state software is pretty sophisticated newer generation emissions crap.
No easy fix for this one. If you find one, let me know. I'm in the same boat and would really appreciate that.
post Dec 18, 2017 - 9:46 PM
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Smaay

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yep those are your only solutions. if you are good at swapping engines, throw a 5S in there, get inspected and then swap back.


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac
post Dec 18, 2017 - 9:58 PM
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slavie

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On the bright side, if you get good at it, swapping the engine in and out can be done in a day! Last time I pulled mine out in 6 hours I think, and even less time to put it back in. And that was all by myself cause my LeMons teammates are that good. Keep all the wiring mods within the engine harness, and you'll be golden.

Or, get it registered in PA as a recreational vehicle driven under 6k miles/year. Then, anything goes wink.gif
post Dec 19, 2017 - 5:06 PM
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JamesNYC

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This is surprising to hear. I wonder how all the EVO's and STI that are running standalones do it
post Dec 20, 2017 - 1:55 PM
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HardHead93

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QUOTE (JamesNYC @ Dec 19, 2017 - 6:06 PM) *
This is surprising to hear. I wonder how all the EVO's and STI that are running standalones do it


They flash their existing ECU so the OBDII port still works.. We canít do that because our ECUs are encrypted.
post Dec 20, 2017 - 8:35 PM
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Smaay

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QUOTE (JamesNYC @ Dec 19, 2017 - 2:06 PM) *
This is surprising to hear. I wonder how all the EVO's and STI that are running standalones do it



QUOTE (HardHead93 @ Dec 20, 2017 - 10:55 AM) *
QUOTE (JamesNYC @ Dec 19, 2017 - 6:06 PM) *
This is surprising to hear. I wonder how all the EVO's and STI that are running standalones do it


They flash their existing ECU so the OBDII port still works.. We canít do that because our ECUs are encrypted.


yep those ECUs are flashable. toyota are not


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2001 Celica GT-S Turbo
1997 Supra TT 6speed
1997 Celica 3MZ/1MZ swap
1990 Celica All-Trac

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