08 + up xB Wiring for Management
Mods, maybe we can make this a sticky or tech article so this stays at the top for future info?
Ok, here is a list I have come up with of locations for wires off of the ECU for installing an F/IC, Emanage, etc. I will add locations and colors as needed. This so far is what I know is needed, so we will start here. There are two connectors off of the ECU. They are the A36 & B33 Connectors. The A36 is the smaller, the B33 is the larger. These will be referred to as "A" and "B". Numbering is from left to right with the harness plugged into the unit, so you would be looking at where the wires go in when counting. This list is to the best of my knowledge and MAY (but probably doesnt) contain errors, so please double check before cutting, splicing, soldering, etc. Intake Air temp - B65 PINK RPM - B122 WHITE TPS - B115 Light Green Constant 12v - A20 PINK Switched 12v - A2 BLACK Intake Air Volume - B118 VIOLET Knock Sensor - B110 BLACK A/F Ratio - B112 BLACK Coil 1 - B85 White/Light Blue Stripe Coil 2 - B84 BLACK Coil 3 - B83 BLUE/Black Stripe Coil 4 - B82 BLACK Injector 1 - B108 VIOLET Injector 2 - B107 YELLOW Injector 3 - B106 GREEN Injector 4 - B105 Light GREEN |
Well this is what I had which I posted a while back. I mean there is even a link to shematics so you can double check with pics of the connectors.
"Alright just finished figuring it all out, I think lol. Here is a link for the wiring shematics in pdf for cross reference. Just follow aem instructions on which cables to intercept or tap. Use at your own risk I assume no liability for the accuracy of this info. If anyone finds errors please point them out. Good Luck! http://www.fsu-clan.com/scion/EWD/en...trolsystem.pdf Harness connectors are B33(b) and A36(a) Terminal No(Symbol) , Wiring Color , Description 105(b) N04 , LG , Injector 4 106(b) N03, G , Injector 3 107(b) N02 , Y , Injector 2 108(b) N01 , V , Injector 1 122(b)NE+ , W , crankshaft position sensor 121(b)NE- , B , crankshaft position sensor 99(b) G2+ , R , camshaft position sensor 98(b) G2- , G , camshaft position sensor 118(b)VG , V , Maf sensor 116(b)E2G , B , Maf sensor 112(b)A1A+ , B , Air Fuel Sensor(primary 02) 115(b)VTA , LG , TPS sensor 44(b)E02 , W-B , GND(pwr) 46(b)E04 , W-B , GND(pwr) 86(b)E03 , W-B , GND(Sig) 28(a)IGSW , B , Ignition Switch[table] |
exactly what i had i had to trace all mine and do a test i confirm the accuracy of this to the fullest and i will take responsibility if you mess your car up for me the pay back will be a shiny piece of pooooo lol thanks for posting this im to lazy lol
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Wow, you guys are the best! Thanks for doing the R&D
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Project boost box will start very very soon. Good news for you Homerhitta
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YEA!!!!!!!
I CAN'T WAIT! |
so.. can you use one of those quick splice things for the wiring? or does it have to be strip and solder?
http://gonzo777.home.insightbb.com/d...mpterminal.jpg |
^^^NO!
Technically you could, but you are wiring engine management not fog lights. If something shorts out, you can do damage. Definitley strip and solder everything! |
got a question what wire is the tps wire and what wire is the main feed for the ignition coils?
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The TPS wire is listed in the top post and I just went through the wiring book and the only feeds for the coils are also listed in the top post.
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found the wires there is a common red wire that goes into 4 for the coils its the read wires at all coils
and the tps signal is vpa 55a at the pedal or 115a at the tb |
Originally Posted by tainoxl
Well this is what I had which I posted a while back. I mean there is even a link to shematics so you can double check with pics of the connectors.
"Alright just finished figuring it all out, I think lol. Here is a link for the wiring shematics in pdf for cross reference. Just follow aem instructions on which cables to intercept or tap. Use at your own risk I assume no liability for the accuracy of this info. If anyone finds errors please point them out. Good Luck! http://www.fsu-clan.com/scion/EWD/en...trolsystem.pdf Harness connectors are B33(b) and A36(a) Terminal No(Symbol) , Wiring Color , Description 105(b) N04 , LG , Injector 4 106(b) N03, G , Injector 3 107(b) N02 , Y , Injector 2 108(b) N01 , V , Injector 1 122(b)NE+ , W , crankshaft position sensor 121(b)NE- , B , crankshaft position sensor 99(b) G2+ , R , camshaft position sensor 98(b) G2- , G , camshaft position sensor 118(b)VG , V , Maf sensor 116(b)E2G , B , Maf sensor 112(b)A1A+ , B , Air Fuel Sensor(primary 02) 115(b)VTA , LG , TPS sensor 44(b)E02 , W-B , GND(pwr) 46(b)E04 , W-B , GND(pwr) 86(b)E03 , W-B , GND(Sig) 28(a)IGSW , B , Ignition Switch[table] 116(b)E2G , B ,Maf sensor I cant seem to find where they connect to on the aem wiring harness. |
also the top post contains ignition coils the second post does not.
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Help!!! Where is the engine control unit located in the 2nd generation 2008 xB2?! I ordered a boomslang harness and have an EMS-4 sitting on my desk, but have no idea where the ECU is located. I don't want to dismantle the whole dash and realize it's that aluminum box in the engine bay under my air filter box.
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Originally Posted by peterletran
(Post 4178360)
Help!!! Where is the engine control unit located in the 2nd generation 2008 xB2?! I ordered a boomslang harness and have an EMS-4 sitting on my desk, but have no idea where the ECU is located. I don't want to dismantle the whole dash and realize it's that aluminum box in the engine bay under my air filter box.
That being said there is a company that has cracked the Toyota ECU and can make it work with boost on our engines. Have a look at Orange Virus Tuning, www.ovtuned.com |
Originally Posted by Greg S
(Post 4178365)
It's the aluminum box in the engine bay under your air filter box.
That being said there is a company that has cracked the Toyota ECU and can make it work with boost on our engines. Have a look at Orange Virus Tuning, www.ovtuned.com |
Originally Posted by peterletran
(Post 4178366)
:doh: ... I already have the EMS-4, and I really don't want to send it back. I really wanted to learn how to tune myself ... These Orange Virus guys seem very proprietary ... I don't want to deal with someone that's not local ...
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Link for the diagram doenst work
Is there anyway to get the wiring diagram up. Link is broke.
Tt |
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