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4WD switch wire issue (2006 VVT)

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17 Apr 2017 17:44 - 17 Apr 2017 17:46 #180343 by asypeer
Hi all,
Yesterday while driving in the desert in a fast trail full of small stones I've noticed that the 4WD light was blinking and the Jimny was suddenly in 2WD without the ability to go back to 4WD.
One of my mates dived under the car and found out that one of the wires of the 4WD switch located on the transfer case got disconnected (the access is pretty bad when the engine is hot and the transfer skid is installed)
He put some electric tape and a zip tie and it helped for 5 minutes and then I was 2WD again. Luckily we were already close to the night camp and 2WD with lockright was sufficient.

It is possible to solder back the broken wire (it was disconnected right where the bolt is..) or any other idea?

? Any workaround to allow us to off-road tomorrow in 4WD ? It's a pity that a tiny stone caused that, the skid plate could not assist here..

What is the part number of this 4WD switch? Might be a good idea to have a spare for this showstopper part in my tools box.

Thanks!



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Last edit: 17 Apr 2017 17:46 by asypeer.

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17 Apr 2017 18:07 #180345 by Riccy
Have a look at this thread...

www.bigjimny.com/index.php/forum?view=to...=7&id=11993&start=12

I found out how to bridge the wires from the t-box and fool the ecu into locking in the front hubs and assuming all was normal ;-)

Riccy

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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17 Apr 2017 19:01 #180346 by asypeer
Thanks, I'm not 100% sure this what I need. Correct me if wrong but the post refers to a scenario where the 4WD button in the dashboard needs to be bypassed. In my case, the "ball" switch located on the transfer has 1 disconnected wire. Unless I'm missing something which is possible as I'm after 100 km of desert driving..


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17 Apr 2017 19:20 #180347 by asypeer
This is the one:



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18 Apr 2017 19:19 #180385 by Riccy
Those are sensors to tell the 4x4 controller if you are in 2wd, 4wd or 4 low. you can short the two wires out, which makes it think that particular sensor is engaged. There are two on your box. i think one is for 4x4 and the other for low, but i dont know which is which.

The other connector is a multiplug, which goes onto the top of the box and that one is the one which controls what ratios are selected by the motor in it.

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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19 Apr 2017 05:21 #180392 by asypeer
If I connect those 2 red wires in the pic - it should work?


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19 Apr 2017 18:32 #180411 by Riccy
yes, but you may need to time it together with pressing the button to get into 4x4, and keep them together until you want to come out of 4x4.

Would be useful to join some wire to them and take into the cab with a little manual switch maybe?, would mean you could do it while driving.

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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19 Apr 2017 19:22 - 19 Apr 2017 19:40 #180412 by asypeer
Well, I had some time this evening so I removed the switch to see if it can be soldered before ordering a new one from amayama (3763076J20 is the part number)
Here it's around 40 GBP.
I was able to solder the broken wire:




Added some liquid steel or whatever it's called to protect the soldering and the other wire :



Now the 4WD H/L works. I will give it some time before ordering a new part. It might last..
Last edit: 19 Apr 2017 19:40 by asypeer.

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19 Apr 2017 19:28 #180413 by Riccy
Well done on the repair! They are just a switch, so once you know that they are easy to sort out :-)

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 4.3 Rocklobster, 31" Toyo MT, 2x ARB 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

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24 Apr 2017 09:36 - 24 Apr 2017 09:38 #180519 by bryn




I ve change both the 4x4 switch and 4x4(L) be aware there is a ball baring inside the case switch housing

bryn
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Last edit: 24 Apr 2017 09:38 by bryn.

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