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Toyota 4Runner Forum - Largest 4Runner Forum (https://www.toyota-4runner.org/)
-   3rd gen T4Rs (https://www.toyota-4runner.org/3rd-gen-t4rs/)
-   -   1998 ECU Wiring Diagram? TIS site gone... (https://www.toyota-4runner.org/3rd-gen-t4rs/245751-1998-ecu-wiring-diagram-tis-site-gone.html)

gamefreakgc 10-21-2017 10:22 PM
1998 ECU Wiring Diagram? TIS site gone...
 
Hi all,

Was going to rent the TIS manual for my 4Runner today, and the site doesn't exist anymore! I'm so bummed I did not do this sooner... I do have the 2002 manual that floats around on the forums here but the ECU wiring is very different.

Does anyone have access or is willing to scan the page for a 1998 ECU wiring diagram/pinout? I am about to start wiring in a piggyback ECU via a patch harness, except I've got no clue which wire is which.

@TheDurk , by chance might you have this one?

thecole1098 10-21-2017 10:46 PM
Odd, I can't access my tis.toyota.com account either right now. the website is showing to be down. I'll try again later for you.

Magmotor 10-21-2017 11:43 PM
Quote:
Originally Posted by gamefreakgc (Post 2825901)
Does anyone have access or is willing to scan the page for a 1998 ECU wiring diagram/pinout?
see if this helps.....
https://www.dropbox.com/sh/zu8ywkj4l...20EWD319U?dl=0

gamefreakgc 10-21-2017 11:52 PM
Quote:
Originally Posted by thecole1098 (Post 2825914)
Odd, I can't access my tis.toyota.com account either right now. the website is showing to be down. I'll try again later for you.
Oh, does it still exist? If it does was just going to buy a subscription and download, but it looks to be gone.

Quote:
Originally Posted by Magmotor (Post 2825938)
I looked through it but it looks to be missing the page for the ECU pinout. Thanks for sharing though.

Magmotor 10-22-2017 12:44 AM
1 Attachment(s)
Quote:
Originally Posted by gamefreakgc (Post 2825940)
I looked through it but it looks to be missing the page for the ECU pinout.
this isn't what your looking for?? it's inside the link I gave you...

gamefreakgc 10-22-2017 01:39 AM
Quote:
Originally Posted by Magmotor (Post 2825963)
this isn't what your looking for?? it's inside the link I gave you...
It's missing the identifying page though. I found that page, but doesn't tell me which wires are which. There's a page that says what every single wire does on those connectors, which is what I need.

Kotrin 10-22-2017 02:40 AM
1 Attachment(s)
Yeah the old manual has been removed pretty much from every site. I did what I could for downloading it when I was able to. I think you want this, right?
Attachment 272099

Magmotor 10-22-2017 04:35 AM
Quote:
Originally Posted by gamefreakgc (Post 2825979)
It's missing the identifying page though. I found that page, but doesn't tell me which wires are which. There's a page that says what every single wire does on those connectors, which is what I need.
gotcha....think i know what your looking for....one last try...lol....

http://www.mr2.com/files/mr2/techinf...%204Runner.pdf

gamefreakgc 10-22-2017 04:31 PM
Quote:
Originally Posted by Kotrin (Post 2825991)
Yeah the old manual has been removed pretty much from every site. I did what I could for downloading it when I was able to. I think you want this, right?
Attachment 272099
Yeah, that's the ECU side so that's very helpful too.

Quote:
Originally Posted by Magmotor (Post 2826005)
gotcha....think i know what your looking for....one last try...lol....

http://www.mr2.com/files/mr2/techinf...%204Runner.pdf
Thanks for the link! That site has both the ECU engine wiring and the description on the pin-out, so if I put the two together that's going to be pretty darn close to what I need. I'm looking for the camshaft, MAF, injector and ground wiring so I think this will work for that. Appreciate it to both of you!

Pedrojr80 10-23-2017 07:59 PM
Do you have the 3.4 engine or the 2.7 engine?


Sent from my iPad using Tapatalk

gamefreakgc 10-23-2017 08:37 PM
Quote:
Originally Posted by Pedrojr80 (Post 2827121)
Do you have the 3.4 engine or the 2.7 engine?


Sent from my iPad using Tapatalk
3.4 5VZ-FE engine

Pedrojr80 10-23-2017 09:22 PM
Would it this help?https://uploads.tapatalk-cdn.com/201...2cc8a9d7fe.jpghttps://uploads.tapatalk-cdn.com/201...932c2d9533.jpghttps://uploads.tapatalk-cdn.com/201...b5aa1dada9.jpg


Sent from my iPad using Tapatalk

1904runner 10-23-2017 09:53 PM
Which piggyback are yoiu trying to wire in?

gamefreakgc 10-23-2017 10:27 PM
Quote:
Originally Posted by Pedrojr80 (Post 2827196)
Would it this help?
Sent from my iPad using Tapatalk
You are awesome! That actually is perfect, it shows every wire on each connector.

Quote:
Originally Posted by 1904runner (Post 2827231)
Which piggyback are yoiu trying to wire in?
AEM FI/C 6.

1904runner 10-23-2017 10:33 PM
What year is that diagram for? I know when I installed my mapecu3 the wiring instructions I was given was for 96+ but 2 IGT wires were in a different location for my 98


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