by pass centre diff lock
Submitted: Thursday, Jul 24, 2003 at 20:04
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Jason (macca)
I have a 2000 manual prado....Does anyone know if it is
possible to bypass the centre diff lock on these things.
What I want to achieve is the use of low range without locking
up the centre diff. As it stands at present, as soon as I select
low range, the centre diff automatically locks.
Can this be done?
Thanks
Jason
Reply By: Member - DOZER- Thursday, Jul 24, 2003 at 20:42
Thursday, Jul 24, 2003 at 20:42
Jason
i think the prado has thesame as a 80 cruiser transfer, on the rear above the tailshaft should be a switch with wires coming out at the 1 oclock position. Take the plug off and try it in low with ignition on. If the dash light stays off and comes on when you press the centre diff switch, then your laughing.
Done this on
mine some time ago for thesame reasons.
Want photos, go to www.lcool.org and look under tech pages.
Andrewwheredayathinkwer mike?
AnswerID:
25839
Follow Up By: Jason (macca) - Thursday, Jul 24, 2003 at 20:46
Thursday, Jul 24, 2003 at 20:46
Andrew,
The 2000 Prado does not have the diff switch on the dash. The earlier models did. I have no idea how the centre diff is activated. As soon as you select low range on the stick, the diff automatically locks up.
Jason
FollowupID:
17544
Follow Up By: Member - DOZER- Thursday, Jul 24, 2003 at 21:54
Thursday, Jul 24, 2003 at 21:54
OK
2000 models must all have ABS then.
This is how 80 cruisers are aswell. You can get the manual locking switch from Toyota and put it in the ABS 80 dash, plug in the wiring and off you go.
If this is not possble to do on the new Prado, then have a look at a Workshop manual to find the switch on the transfer that tells the ECU the transfer is in low, and put a switch in between one of the two wires that comes out of the transfer switch. You see, when you pull it into low, this transfer switch tells the ecu to lock the ctr diff, it is not locked by the low range lever, but by an electric motor. If you interupt that signal, you will have low range constant 4wd. The other thing you will have is ABS as it doesnt know you are in low range.
I think :-)
Andrew
If the switch still has a place on the dash, then you will findwheredayathinkwer mike?
FollowupID:
17548
Follow Up By: Jason (macca) - Friday, Jul 25, 2003 at 06:40
Friday, Jul 25, 2003 at 06:40
Andrew,
Thanks for the info. I will make some enquiries over the next few days.
My Prado does not have ABS so there is no problem there
Jason
FollowupID:
17558
Follow Up By: Member - DOZER- Friday, Jul 25, 2003 at 10:10
Friday, Jul 25, 2003 at 10:10
Jason
there is a 90 series prado list at www.lcool.org out of
Melbourne. They would nkow for sure.
Andrewwheredayathinkwer mike?
FollowupID:
17568
Reply By: Mal58 - Friday, Jul 25, 2003 at 13:15
Friday, Jul 25, 2003 at 13:15
Jason,
There are two versions of transfer case in the Prados. One is mechnically locked by the lever when selecting HL, LL , the other is locked by a switch on the dash board which pulls a solenoid in to lock the transfer case.
If your Prado has the mechanical lock then there is nothing you can do.
If your Prado has the switch on the dash, then I am not sure whether it is as simple as not pressing the switch when engaging the low range lever, or whether a wiring change is required to allow a switch to independently switch in the lock.
I am not sure what models of Prado have the mechanical or the solenoid lock for the transfer case.
Probably a question to ask on the Prado site
http://www.geocities.com/prado_95/90scool.html
Rgds,
Mal58
AnswerID:
25896
Follow Up By: Jason (macca) - Friday, Jul 25, 2003 at 22:28
Friday, Jul 25, 2003 at 22:28
Mal,
Mine is mechanical then. Rats!!!!! Best I buy something else next time
Thanks
Jason
FollowupID:
17623