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ECU Diagram for 1988 3VZ-E

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Old 07-17-2010, 07:18 PM   #1
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ECU Pinout Diagram for 1988 3VZ-E

Does anyone have a ECU diagram for a 1988 3vz-e 4runner? I have the 1988 Service Manual downloaded, but it is not in there. It's not in the Haynes either. Any ideas where I can find it? Apparently it is a legend. Mine is a 10/18/24 pin. I have looked through all of the manuals in the years around the 1988 and any cars that offered the 3VZ. I also google'd the heck out of it. No luck.....at all. I did however find a bunch of people looking for it. I just want the diagram of the plug, so I can do some backward testing. My engine won't start.

Last edited by Challenga; 07-17-2010 at 10:15 PM.
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Old 07-18-2010, 05:15 AM   #2
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Are you sure it's not there? There's a full pin diagram in the 90-95 manual.
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Old 07-18-2010, 05:44 AM   #3
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Don't know if this will help you out or not but here you go: http://www.yotatech.com/f116/3vze-ecu-pinout-88640/

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Old 07-18-2010, 10:12 AM   #4
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What I was hoping to find is a terminal layout like the one attached. Then I could just go through the terminal at the ECM and test back each wire. I'm having some issues. I did find a manual that has the map of the colors for each wire going in to the ECU, but was hoping to find a diagram like the one attached.
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File Type: pdf Pages from Engine EWD.pdf (42.4 KB, 757 views)
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Old 07-18-2010, 11:33 AM   #5
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Quote:
Originally Posted by Challenga View Post
I did find a manual that has the map of the colors for each wire going in to the ECU...

Where'd you come across that?(I've got an 88 3VZE too.)

Edit: Found it! Nevermind. I didn't look too close at the thread mentioned earlier(post #3).

Last edited by MudHippy; 08-12-2010 at 01:54 PM.
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Old 08-12-2010, 08:25 AM   #6
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Quote:
Originally Posted by Challenga View Post
Does anyone have a ECU diagram for a 1988 3vz-e 4runner? I have the 1988 Service Manual downloaded, but it is not in there. It's not in the Haynes either. Any ideas where I can find it? Apparently it is a legend. Mine is a 10/18/24 pin. I have looked through all of the manuals in the years around the 1988 and any cars that offered the 3VZ. I also google'd the heck out of it. No luck.....at all. I did however find a bunch of people looking for it.
EUREKA!!!

I have a super-human ability to find the internet gold nuggets. If it exists...I can find it. It was in an old thread here, of course. Not gonna say which one. Yall can find it on your own.

Viola!

The other tidbit from that thread.

keywords: 1988, 88, 4Runner, pickup, truck, 3vze, 3vz-e, 3vz, 3.0, 3.0L, V6, ECU, ECM, computer, 10/18/24 pin, pinout, diagram, pic, factory service manual, fsm, EFI

Last edited by MudHippy; 08-20-2010 at 04:25 PM.
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Old 12-05-2010, 05:48 PM   #7
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Don't mean to thread jack, but i have two 3vze ECU's sitting at home one says 3vze 4x4 A/T while the other just says 3vze 4x4 and thats it. Would the second ECU be for a manual truck? or will i never know? Reason im asking is because i intend to do a manual tranny swap for my 4runner and wanted to know if that ECU is for a manual truck. Thanks!
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