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SC- 1st Gen (1992-2000)

Urgently Needed Wiring Diagrams

   
Old 12-02-10, 09:41 AM
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rollexus
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Default Urgently Needed Wiring Diagrams
Hello Everyone,

We have a 2005 Toyota Tundra 2UZ motor going into an 1995 1UZ SC400. What we urgently need are the ECU diagrams for these cars, and any other wiring diagram coming out of the engine bay if you have it. We are working on taking the engine and accessory (AC, Alternator, Power Steering etc..) from the 2UZ harness and moving it over to the 1UZ.
When it comes to the ECU, there will be differences between years, for example 94 vs. 95, the harnesses are slightely different,
Your help is greatly appreciated.

Cheers,

Nick from Toronto.
Last edited by rollexus; 12-02-10 at 09:44 AM.
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Old 12-02-10, 12:46 PM
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https://techinfo.toyota.com/techInfoPortal/

you have to pay, but it will give you exactly what your looking for
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Old 12-02-10, 06:31 PM
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rollexus
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Does anyone already have the pdfs?
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Old 12-04-10, 06:40 PM
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bumpage on the daigrams
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Old 12-05-10, 11:57 AM
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I will try to help. These are hard to read, I cut them up to make them larger.
Sheet one on the 95 Lexus cut in half.
Attached Thumbnails Urgently Needed Wiring Diagrams-95sc40011.jpg   Urgently Needed Wiring Diagrams-95sc40012.jpg  
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Old 12-05-10, 11:58 AM
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Sheet two 95 sc400
Attached Thumbnails Urgently Needed Wiring Diagrams-95sc40021.jpg   Urgently Needed Wiring Diagrams-95sc40022.jpg  
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Old 12-05-10, 12:00 PM
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Sheet 3 sc400
Attached Thumbnails Urgently Needed Wiring Diagrams-95sc40031.jpg   Urgently Needed Wiring Diagrams-95sc40032.jpg  
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Old 12-05-10, 12:02 PM
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Sorry I dont have anything on the Tundra
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Old 12-05-10, 12:16 PM
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While this thread had been started, Scott you wouldn't happen to have any of the ECU pinouts for the 98' SC300 by any chance? I really hope you do, I've been searching for a couple of months now and no luck.

Thanks in advance!
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Old 12-05-10, 12:26 PM
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Originally Posted by 3Rotor
While this thread had been started, Scott you wouldn't happen to have any of the ECU pinouts for the 98' SC300 by any chance? I really hope you do, I've been searching for a couple of months now and no luck.

Thanks in advance!
Sure, If you can put this all together.
Attached Thumbnails Urgently Needed Wiring Diagrams-9811.jpg   Urgently Needed Wiring Diagrams-9812.jpg   Urgently Needed Wiring Diagrams-9821.jpg   Urgently Needed Wiring Diagrams-9822.jpg  
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Old 12-05-10, 12:26 PM
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And the other two sheets
Attached Thumbnails Urgently Needed Wiring Diagrams-9831.jpg   Urgently Needed Wiring Diagrams-9832.jpg   Urgently Needed Wiring Diagrams-9841.jpg   Urgently Needed Wiring Diagrams-9842.jpg  
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Old 12-05-10, 03:06 PM
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Thanks Scott!

Will start a nice thread soon

Those are so hard to read lol...

Nick from Toronto
Last edited by rollexus; 12-05-10 at 03:16 PM.
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Old 12-05-10, 03:49 PM
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For SC400/300 Owners looking for the inside and out of their cars, I found this workshop manual. It's one huge PDF

http://jetdl.com/download/Lexus+Sc+3...odyknow+/15pg3

After clicking on link, select the free download, you will have to wait 30 seconds or something before the download begins. I hope I don't get in trouble for posting it.

Nick from Toronto.
Last edited by rollexus; 12-05-10 at 03:54 PM.
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Old 12-05-10, 03:57 PM
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Diagram heaven thread:
http://www.toymods.org.au/forums/showthread.php?t=809
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Old 12-05-10, 10:35 PM
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Why not just do the Tundra shortblock? Your wiring should stay mostly stock, as well as accessories and such.
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