B16 swap Loom and Ecu setup
Hello, Im just after swaping a b16a2 engine from a 2000 Em1 civic into an 1998 ej6 shell, I cant seem to figure out the correct loom and ecu set up, I know the ej6 chasis is obd2a and the loom from the Em1 is obd2b, so do I need to get an obd2a engine loom? What ecu do I use then without effecting the immobiliser, Im very lost any help greatly appreciated.
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Re: B16 swap Loom and Ecu setup
you need to find schematics and ecu pinouts for both cars and figure it out. Not hard just takes alot of time=]
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Re: B16a2 swap into a 1997 civic
I have a b16a2 swap with a d16 harness a an obd2 ecu can i just use a conversion from obd1 to 2 onto the ecu or do i have to replace the whole harness.it bogs out some times so i think its cause the harness. Besides that it runs fine.
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Re: B16 swap Loom and Ecu setup
Originally Posted by conor o h
(Post 51941790)
Hello, Im just after swaping a b16a2 engine from a 2000 Em1 civic into an 1998 ej6 shell, I cant seem to figure out the correct loom and ecu set up, I know the ej6 chasis is obd2a and the loom from the Em1 is obd2b, so do I need to get an obd2a engine loom? What ecu do I use then without effecting the immobiliser, Im very lost any help greatly appreciated.
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Re: B16 swap Loom and Ecu setup
Originally Posted by JRCivic1
(Post 51942308)
Use the engine harness that came with your 1998 Civic... and move/modify/lengthen/shorten/add the necessary plugs and wiring to make it all connect to the EM1 B16A2 engine and drop it in. Get the needed plugs from the EM1 engine harness. Trying to make the EM1 engine harness work in the '98 Civic is a giant mess, so unless you are really good with wiring, I advise against this.
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Re: B16 swap Loom and Ecu setup
p2t ecu and obd2a to obd2b conversion harness and a couple other things.
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Re: B16 swap Loom and Ecu setup
Thanks for the reply, what ECU must I use then? Would I have to get an Obd2a ecu from a b16 and would this plug into the ej6 harness?
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Re: B16 swap Loom and Ecu setup
I'm guessing by the terminology that you're somewhere in western Europe. If you had an MPFI D-series you can modify the original engine harness and use that. If it was an SFI D-series you wont be able to. If you have the complete EM1 donor car you can swap the engine harness, cabin harness and door harnesses into the EJ6, you just can't use the engine harness by itself with the EJ6 cabin harness. Some of the immobilizers are easily bypassed, some aren't. The European stuff is often different than North American. If yours uses the red learning key I don't believe they are easily bypassed.
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Re: B16 swap Loom and Ecu setup
Originally Posted by 94EG8
(Post 51942731)
I'm guessing by the terminology that you're somewhere in western Europe. If you had an MPFI D-series you can modify the original engine harness and use that. If it was an SFI D-series you wont be able to. If you have the complete EM1 donor car you can swap the engine harness, cabin harness and door harnesses into the EJ6, you just can't use the engine harness by itself with the EJ6 cabin harness. Some of the immobilizers are easily bypassed, some aren't. The European stuff is often different than North American. If yours uses the red learning key I don't believe they are easily bypassed.
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Re: B16 swap Loom and Ecu setup
Right so I modified my d16y7 harness and plugged all in and no check engine light. I bought a p2t ecu from a b16A VTI. The engine starts fine but idles very low and idle fluctuates also. After you rev it the idle drops down very low and sometimes cuts out. The engine also lacks major power and bogs out when you accelerate, when you put your foot down theres hardly any change in speed it takes ages for it to pick up a bit of speed. I cleaned ith IACV but no change, what is causing this and how can I fix it? Could it have something to do with the ecu as the original p2t ecu that was with the engine came out of an obd2b car but the p2t ecu im using now is out of an obd2a car?
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Re: B16 swap Loom and Ecu setup
Any CEL codes?
Have you checked the ignition timing? |
Re: B16 swap Loom and Ecu setup
Originally Posted by muellersfan
(Post 51957284)
Any CEL codes?
Have you checked the ignition timing? |
Re: B16 swap Loom and Ecu setup
Does the CEL work?
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Re: B16 swap Loom and Ecu setup
Originally Posted by muellersfan
(Post 51957295)
Does the CEL work?
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Re: B16 swap Loom and Ecu setup
Start with ignition system tune up and ignition timing. Then go from there.
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Re: B16 swap Loom and Ecu setup
I think I know the cause of this problem, the car was running on 2 cylinders as a result of bad injectors, I then went to change injectors and now the car wont start. Same thing happened yesterday when I unplugged a sensor when I plugged it back in it would not start again, so I left it and next morning started up fine. Now when i replaced the injectors same thing happeneing, I turn the key but fuel pump wont prime car does turn over, I checked the relay and grounds all good. I then went to inspect the ecu and found that when I had the ignition turned on and removed the small c plug from the ecu the pump would then prime? Seems very weird to me I i tried a different ecu and same thing was happening I have no idea what the problem is, any help I would graetly appreciate.
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Re: B16 swap Loom and Ecu setup
you have an electrical issue, inspect the engine harness.
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Re: B16 swap Loom and Ecu setup
Thanks for all the replys, the engine now starts I just plugged out the map sensor a couple of times and it started up, it's still misfiring tho the two middle pistons aren't getting fuel, changed injectors and they are both getting power, I suspect a signal issue how could I fix this?
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Re: B16 swap Loom and Ecu setup
Originally Posted by conor o h
(Post 51961557)
I just plugged out the map sensor a couple of times and it started up
I suspect a signal issue how could I fix this? |
Re: B16 swap Loom and Ecu setup
Are the two middle fuel injectors plugged into the correct injector ???
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Re: B16 swap Loom and Ecu setup
Yes I think they are, I plugged injector plug 1 into the injector 2 and the cylinder fired so I presume it's plugs 2 and 3 are not getting signal?
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Re: B16 swap Loom and Ecu setup
I checked continuity all seems good, I changed ecu still no signal in 2 and 3, changed the injectors, checked for power I'm totally lost now?
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Re: B16 swap Loom and Ecu setup
please give details, being vague on your steps dont help much.
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Re: B16 swap Loom and Ecu setup
Basically I'm not getting any signal from the ecu to the injectors 2 and 3.I'm definitely getting power to all
the injector plugs, I swapped out the ecu for a different one but still no joy. I got a 12 volt bulb and wired the positive side to the positive wire on the injector plug and the negative side of the bulb into where the injector wire goes into the ecu and sends out the signal, I then cranked the engine and the the bulb lit up as it got a pulse from injectors 1 and 4 but not in injectors 2 and 3 so no pulse coming from the ecu, what could the problem be? |
Re: B16 swap Loom and Ecu setup
might want to double check your wiring again.
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