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Where is T Terminal to adjust timing

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Old Feb 23, 2011 | 03:16 PM
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From: denver
Where is T Terminal to adjust timing

Ive been looking for the T terminal on my 1986 Toyota RV. I need to to adjust the timing however I cannot find it. My truck deosnt have the DIAGNOSTIC box. So im guessing im just being a fool. Any help is greatly appreciated. The engine is a 22re.

Last edited by infamouslyb; Feb 23, 2011 at 03:20 PM.
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Old Feb 23, 2011 | 03:23 PM
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From: Wilkes-Barre, PA, USA
# The small round connector at the top of the image below is the notorious "T" connector (location of the T and E1 terminals) for setting timing and checking ECU codes (circled in light blue):

* On the 22RE, ignition timing is specified at 5°BTDC with the above jumper installed and the idle speed set to around 750 PRM.

# The larger round connector is some other test plug (circled in green) has the ECU O2 circuit test voltages, such as the Vf signal.

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Old Feb 23, 2011 | 03:29 PM
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From: denver
dude thank you so much!
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Old Feb 23, 2011 | 03:31 PM
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From: Wilkes-Barre, PA, USA
NP, but thank 4crawler. http://www.4crawler.com/4x4/CheapTri...CheckConnector
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Old Jul 5, 2014 | 10:36 AM
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I have search my 1986 Toyota 4x4 for this Terminal T high and low and cannot find it anywhere on my truck. I don't know what else to do. I need to find this in order to set my timing on a freshly rebuilt 22re. Can someone please help me out? All I can see on the drivers side fender well is two green plugs that are already connected to something.

Last edited by carnivore36; Jul 5, 2014 at 10:43 AM.
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Old Jul 5, 2014 | 11:44 AM
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From: I live in New Tripoli Pa out in the woods
Red face

They should be on the right side not left.

If it does not have the box attached to the fuse block
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Old Jul 5, 2014 | 12:25 PM
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Ok, I'll search harder on that side then. Apparently its supposed to be a yellow plug I'm looking for.
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Old Jul 5, 2014 | 01:49 PM
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Still no luck. Could it be that this engine is older and I don't have this plug? Maybe I have to disconnect a vacuum line off of the distributer? I tried to upload pictures to show what I have for wiring but I cant upload them for some reason, just tells me they failed.

Last edited by carnivore36; Jul 5, 2014 at 02:04 PM.
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Old Jul 5, 2014 | 11:54 PM
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From: I live in New Tripoli Pa out in the woods
Red face

Unless you owned this since it was born no telling what might have been done or just what year engine you might have.
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Old Jul 6, 2014 | 10:06 AM
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This truck doesn't have a ecu or ecm, at least I don't think it has, haven't seen one and I have stripped this thing down to the bare bones and restored it. Does that help you guys out any?
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Old Jul 6, 2014 | 10:13 AM
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From: I live in New Tripoli Pa out in the woods
Red face

Does your distributor have the 2vacuum hoses if so you have the old style engine.

Even that has the ECU it is on the right door post behind the plastic trim.

If you don`t it will never run.

Pictures would be a big help.
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Old Jul 6, 2014 | 11:53 AM
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Yes, I have the distributer with two vacuum hoses, I never looked behind that trim but I will. If it has one then its there because the truck runs. This engine has a carburator as well, it's not fuel injection, does that help you? I try to upload pictures but it always says the upload fails. I tried one at a time and still fails, wish I could get you some pictures so you can see what I'm dealing with. This is the message I get : pics 023.JPG:
Upload of file failed.

Last edited by carnivore36; Jul 6, 2014 at 04:40 PM.
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Old Jul 10, 2014 | 07:00 PM
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Sorry guy's, I'm still looking for this T terminal, would I still have it even though this engine isn't fuel injected? It is carburated so would I still need to find this T terminal or just disconnect the vacuum to the distributor and plug it, then set the timing?
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Old Jul 14, 2014 | 05:07 PM
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Can anyone please give me an answer?
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Old Jul 15, 2014 | 11:19 AM
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Originally Posted by carnivore36
Sorry guy's, I'm still looking for this T terminal, would I still have it even though this engine isn't fuel injected? It is carburated so would I still need to find this T terminal or just disconnect the vacuum to the distributor and plug it, then set the timing?
Just disconnect the distributor hoses, plug it and set timing as printed on a label under the hood. Good luck
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