Quote:
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Originally Posted by bwalkertitan
Yes my statement applies to the 4x4 model with VDC and without e-locker, although I presume in 4x4 models with e-locker that the front ABLS system is still operational in 4Lo.
Another bit of misinformation, it is called ABLS which stands for Active Brake Limited-slip (take a look at the manual or go to the Nissan website)
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Bwalker...I realized that I had a brain cramp, and was going to edit my post regarding my mistake with the acronym, but you got to me first.
Now it is my turn to point out some misinformation, unless the owner’s manual is wrong, or I missed something….You said that the owner's manual
"clearly stated" that the ABLS still operated when the VDC switch was turned off. I couldn't find that...here is what I found...let me know if I missed something.
From the owner’s manual…
The VDC system uses an Active Brake Limited
Slip (ABLS) system to improve vehicle traction.
The ABLS system works when one of the driving
wheels is spinning on a slippery surface. The
ABLS system brakes the spinning wheel which
distributes the driving power to the other drive
wheel. If the vehicle is operated with the vehicle
dynamic control system off using the VDC OFF
switch, all VDC and ABLS functions will be
turned off.
The
ABS will still operate with the VDC
system off. If the ABLS system is activated, the
slip indicator light will blink and you may hear a
clunk noise and/or feel a pulsation in the brake
pedal. This is normal.
While the VDC system is operating, you may feel
a pulsation in the brake pedal and hear a noise or
vibration from under the hood. This is normal and
indicates that the VDC system is working properly.
The computer has a built in diagnostic feature
that tests the system each time you start the
engine and move the vehicle forward or in reverse
at a slow speed. When the self-test occurs, you
may hear a clunk noise and/or feel a pulsation in
the brake pedal. This is normal and is not an
indication of a malfunction.
Me again:
It seems that the "
ABS" Anti-Lock Braking System still works when VDC is off, not the
ABLS
As for the ABLS, I don't think that it cares if you are in 4HI or 4LO.
I am guessing here, but I think that it only senses slippage from left to right, not front to rear, but it might monitor tire slippage all around, and apply braking to the tire that is slipping in comparison to the others.
I can only guess that the E-locker messes up the VDC, so that it won't work properly. The ABLS will never see any slippage (left to right) on the rear of the E-locker when it is locked, so it probably doesn't matter to that system. When the E-locker is not locked, it would sense the slippage and apply the brake, just like with a regular differential. Anyone correct me if you know otherwise.
Thanks,
Dave