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ProjectGS DIY: ECU Pinout

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Old 11-29-10, 02:23 PM
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GILLEXUS
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Jeff so guys don't get mixed up the color coded plugs are viewing thm from the ends not the top in other words the numbers are reversed on the actual ECU - correct?
Attached Thumbnails ProjectGS DIY: ECU Pinout-jeff-pin-outgs300-01-05rev.jpg  
Old 12-16-10, 09:18 PM
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criminalR1
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all I want for Christmas is a GS400 pinout...........
Old 12-17-10, 01:21 AM
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aka paco
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Thanks man, hoping to tackle a GTE swap in a 02 SD soon..
Old 12-17-10, 06:24 AM
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GILLEXUS
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Originally Posted by criminalR1
all I want for Christmas is a GS400 pinout...........
here ya go 2 of them


Old 12-20-10, 05:44 PM
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gregmessic
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A mechanic told me that my ECU is going out... Do you know if I install a used ECU does it need to be reprogrammed?
Old 12-22-10, 05:01 AM
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Originally Posted by gregmessic
A mechanic told me that my ECU is going out... Do you know if I install a used ECU does it need to be reprogrammed?
I'm not sure, I thought you needed to reprogram your master key unless it is a defferent ECU for that.
Old 12-22-10, 03:22 PM
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criminalR1
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Originally Posted by gregmessic
A mechanic told me that my ECU is going out... Do you know if I install a used ECU does it need to be reprogrammed?
it will need to be reprogramed if you dont have a matching key.(call around to you local lcksmith if you go this rout much much cheaper than dealer) ..if it comes with the matching key all u have to do is swap over the chip to your existing key and wall..A....(otherwise it will not disable the immobilizer and start if the key and ecu are not paired)......
Old 02-16-11, 09:39 PM
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jacksonvp
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Do you have a VVTi GTE JDM pinout?
Old 07-18-11, 08:35 PM
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LexCafe
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I' in the process of wiring the fi/c. The ecu pinouts that Jeff posted are positive (+) right? So all of the positive wires from the fi/c would connect to those but where do you connect the negative wires from the fi/c? (crk-, cam-, inj-, ect...) Please help.
Old 07-20-11, 11:31 AM
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For GS2 '98-00 with 2JZ-GE VVT-i you can use IS300 '01 pinout:
01pinout.xls
where
ProjectGS DIY: ECU Pinout-is300-01-ecm-1.gif

Also for GS2 '01+ you can check IS300 '02+ pinout (don't sure):
02+IS300_ECU_Pinout.xls
Old 07-20-11, 12:09 PM
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qphoton
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Full Lexus GS300 '98-05 Wiring manual you can download here
Lexus GS300 1997 - Wiring.zip

just enter code shown below.
onn the next page you need uncheck checkbox and click on the link above, download will start

Last edited by qphoton; 07-20-11 at 12:14 PM.
Old 07-22-11, 11:40 AM
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LexCafe
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Thanks. I had a brain fart few days ago but had it figured out. Had the fi/c hooked up and running. Now it just a matter of tunning to make it run right.
Old 07-22-11, 12:40 PM
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gijohnnyb
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You are a God-send!
Old 08-21-11, 06:33 PM
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nezlyfe
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thanks needed this for an o2 sim
Old 08-29-11, 07:02 PM
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Rande
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love the pin out. question would be is do you or anyone know when i can get the wiring lay out for the jap spec aristo harness


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