Toyota 4WD Surf Owners • View topic - 1KZ-TE A/T ECU suitability

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 Post subject: 1KZ-TE A/T ECU suitability
PostPosted: Fri May 11, 2012 11:44 pm 
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Joined: 11 May 2012
Posts: 3
Location: UK
Greetings and a jolly g'day to all my cousins on t'other side of the planet.

Excellent site =D>

My brother in law owns a '93 3litre auto surf which has developed the no o/d and high rev changes on the g'box.
He had a mechanic check over the 'box and declared it all good and thought it might be speedo related, which he replaced to no avail.

After reading some threads on here I thought we oughta try to sort out the capacitors in the ecu.

In the meantime a used ecu became available from a breaker. The boxes look identical apart from some slightly different part numbers and I think it's from the same model but a later year.

Our box says 89661-3d100 the breaker's 89661-3d240
'' 175800-1312 12v '' 175800-1613 12v
26p 16p 22p '' 26p 16p 22p

Both say 1KZ-TE-A/T

Question is do you think it's worth taking a chance that it'll be right or not?
Any help most appreciated!

Cheers


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PostPosted: Sat May 12, 2012 8:05 am 
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Joined: 01 May 2012
Posts: 30
Location: Mt Barker SA
howdy fello pommie :) (though i live in australia but was born over there)

cant hurt to try it, worst comes to worst you can always put the old one back in. failing all that, theres a link i found on here, il find it again, not sure if they would post to the UK, but good chance they will, theres a few options there to upgrade the automatic trans. Going through the notions myself :)
good luck!!

http://www.automatictransmission.com.au ... wsId=32739
(they are really helpful and nice, and very fast to reply with any queries etc)


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 Post subject:
PostPosted: Sun May 13, 2012 6:46 am 
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Joined: 11 May 2012
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Location: UK
Epic_Dragon wrote:
howdy fello pommie :) (though i live in australia but was born over there)

cant hurt to try it, worst comes to worst you can always put the old one back in. failing all that, theres a link i found on here, il find it again, not sure if they would post to the UK, but good chance they will, theres a few options there to upgrade the automatic trans. Going through the notions myself :)
good luck!!

http://www.automatictransmission.com.au ... wsId=32739
(they are really helpful and nice, and very fast to reply with any queries etc)


Nice one mate, I'll have a looksee.
All the best with yours too [-o<


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 Post subject:
PostPosted: Sun May 13, 2012 12:02 pm 
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Location: Nth.Brisbane Qld.
The other ECU is from a KZN185 so may not be compatable. Both are for the 1KZ-TE but the 185s are a later model.

Nev

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 Post subject:
PostPosted: Tue May 15, 2012 1:38 am 
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Location: Trinidad
yup, nev is correct (as usual), they may have the same jack and pin amount, but they need to be the correct colour code too, grey harness jack must go with grey ecu.....

and there are different type, one is kinda raised on the cover and the other is flat....

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 Post subject:
PostPosted: Fri May 18, 2012 3:40 pm 
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Location: Cairns, Far North QLD
Mike,
Sounds & smells like ECU issue. Being old vehicles the capacitors go on the ECU no matter what. Just look up ECU repairs on google and find someone in the UK you can send it to that tests and repair the unit. Get them to replace all the caps no matter what state.

Best to post up on the UK surf site asking if someone reputable is known.
You will then get another 10 years trouble free out of the unit.

Cheers, Darrie

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 Post subject:
PostPosted: Fri Jul 06, 2012 6:00 am 
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Joined: 11 May 2012
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Location: UK
Alright chaps n lasses,

Well we removed the ECU and replaced all the capacitors with new ones.
Very rewarding job, but I recommend anyone attempting it to have all the right tools etc and practise soldering/desoldering before touching the boards.
I also found 'youtube' helpful to watch others doing the job. Desoldering braid is very useful and remember to 'tin' your tip for good heat transfer.

Anyway, apart from learning to replace capacitors, the job yielded nothing!
The truck ran as before with late changes and no o/drive. ](*,)

Prior to fixing this the speedo was replaced with a used one as the original had stopped working and a g/box guy said it may fix it. Would the speed sensor affect things?

Also is it now likely to be the g/box solenoids that are the culprits and if so is it a possible home diy job?

Some guys have a good used box for sale here and we are considering this too. £200+ courier + fitting.

What do you reckon?

Thanks for looking and any input!

Cheers


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 Post subject:
PostPosted: Sat Jul 14, 2012 9:23 pm 
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Joined: 18 Jan 2012
Posts: 48
Location: Miranda
how did you go with the speed sensor fix

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 Post subject:
PostPosted: Thu Sep 06, 2012 7:20 am 
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Joined: 05 Jun 2012
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Location: Perth, WA
Mike the pom wrote:
Alright chaps n lasses,

Well we removed the ECU and replaced all the capacitors with new ones.
Very rewarding job, but I recommend anyone attempting it to have all the right tools etc and practise soldering/desoldering before touching the boards.
I also found 'youtube' helpful to watch others doing the job. Desoldering braid is very useful and remember to 'tin' your tip for good heat transfer.

Anyway, apart from learning to replace capacitors, the job yielded nothing!
The truck ran as before with late changes and no o/drive. ](*,)

Prior to fixing this the speedo was replaced with a used one as the original had stopped working and a g/box guy said it may fix it. Would the speed sensor affect things?

Also is it now likely to be the g/box solenoids that are the culprits and if so is it a possible home diy job?

Some guys have a good used box for sale here and we are considering this too. £200+ courier + fitting.

What do you reckon?

Thanks for looking and any input!

Cheers


Mike,

while doing the caps did you test continuity/repair the tracks? Leaking caps will burn thru the tracks on the board.

Been a while tho, you've probably got this sorted by now.

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