Pilot VTM-4 AWD vs MDX SH-AWD - Page 3 - Honda Pilot - Honda Pilot Forums
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post #31 of 57 (permalink) Old 11-30-2014, 07:45 PM
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I don't think there's any question but that the MDX SH-AWD system is superior to the VTM-4 system. That being said, the VTM-4 system is very capable.

--speedy
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post #32 of 57 (permalink) Old 11-30-2014, 08:20 PM
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Originally Posted by speedlever View Post
I don't think there's any question but that the MDX SH-AWD system is superior to the VTM-4 system. That being said, the VTM-4 system is very capable.
Agreed; from what I've read here and elsewhere, the SH-AWD is overall superior.

Right now, my feeling is that for my needs, for Minnesota winters, the Pilot gives me everything I need. It seems (in my research so far) the advantages of the SH-AWD give more in the area of performance handling and to a lesser extent in the area of low speed traction for getting through the snow/ice. I'm not as concerned with dry or rain soaked pavement performance as I am with performance in roads that covered with ice or packed snow, up to inches of snow. Is that a fair analysis?
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post #33 of 57 (permalink) Old 11-30-2014, 09:56 PM
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I think that's a reasonable analysis. I believe you'll find the VTM-4 system quite capable in those conditions. For the record, SH-AWD can send power side to side as well as front to rear. VTM-4 can only send power front to rear as needed. In practice, there may not be much of a functional difference in most normal driving conditions.

One other thing that might be a concern for you is that Honda included VCM with 4wd models beginning in 2009. Personally, I am not a fan of VCM.

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Last edited by speedlever; 11-30-2014 at 10:00 PM.
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post #34 of 57 (permalink) Old 11-30-2014, 10:08 PM
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One other thing that might be a concern for you is that Honda included VCM with 4wd models beginning in 2009. Personally, I am not a fan of VCM.
Thanks.. .hmm.. Ohh...I remember seeing that, but I didn't think much of it. Hmm, time to expand the research.... ;-)
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post #35 of 57 (permalink) Old 04-25-2015, 11:17 PM
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Loved SH-AWD in my 11 MDX. I'll let you know how the pilot fairs but I'm not concerned
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post #36 of 57 (permalink) Old 05-02-2015, 07:32 AM
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Originally Posted by jensent View Post
I wish that were true but can find nothing in writing to prove this. If it is more than front wheel drive ,with traction control, at speeds greater than 18mph I wish someone would provide evidence. There is a lot to like about the Pilot and Ridgeline.
Thanks
Tom

uuWhen DrivinguVTM (Variable Torque Management)-4r System*
Driving
VTM (Variable Torque Management)-4r System*
Senses a traction loss caused by a road condition change, and automatically
transfers some power to the rear wheels.
Use the VTM-4r LOCK to increase more torque to the rear wheels.
1. Stop your vehicle with the engine running.
2. Move the shift lever to (1, (2, or (R.
3. Press the VTM-4r LOCK button.
u The indicator in the button comes on.
Any of the following disengages the VTM-4r LOCK:
• Pressing the VTM-4r LOCK button again.
• Moving the shift lever to (D or (d.
• Turning the ignition switch to the LOCK (0 position.
■To Engage the VTM-4r LOCK
■To Disengage the VTM-4r LOCK
1VTM (Variable Torque Management)-4r System*
NOTICE
Do not continuously spin the front tires of your
vehicle. Continuously spinning the front tires can
cause transmission or rear differential damage.
1To Engage the VTM-4r LOCK
Do not use the VTM-4r LOCK button on dry, paved
roads. Driving on dry, paved roads with VTM-4r
LOCK on may damage the rear differential when
making a turn. Strange noise and vibration can also
result.
The VTM-4r LOCK can be used to help free your
vehicle from being stuck in mud, sand, or gravel.
When the lock is engaged, apply light pressure to the
accelerator pedal.
When more torque is applied, the rear tires are not
likely to spin. This is normal.
If you are not able to free the vehicle, stop and
reverse direction.
As soon as this feature is no longer needed,
disengage the VTM-4r LOCK.
1To Disengage the VTM-4r LOCK
The VTM-4r LOCK temporarily disengages when the
vehicle speed exceeds 18 mph (30 km/h). The
indicator in the button remains on.
* Not available on all models
Home
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post #37 of 57 (permalink) Old 05-02-2015, 07:39 AM
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Quote:
Originally Posted by SWAMPTHANG View Post
uuWhen DrivinguVTM (Variable Torque Management)-4r System*
Driving
VTM (Variable Torque Management)-4r System*
Senses a traction loss caused by a road condition change, and automatically
transfers some power to the rear wheels.
Use the VTM-4r LOCK to increase more torque to the rear wheels.
1. Stop your vehicle with the engine running.
2. Move the shift lever to (1, (2, or (R.
3. Press the VTM-4r LOCK button.
u The indicator in the button comes on.
Any of the following disengages the VTM-4r LOCK:
• Pressing the VTM-4r LOCK button again.
• Moving the shift lever to (D or (d.
• Turning the ignition switch to the LOCK (0 position.
■To Engage the VTM-4r LOCK
■To Disengage the VTM-4r LOCK
1VTM (Variable Torque Management)-4r System*
NOTICE
Do not continuously spin the front tires of your
vehicle. Continuously spinning the front tires can
cause transmission or rear differential damage.
1To Engage the VTM-4r LOCK
Do not use the VTM-4r LOCK button on dry, paved
roads. Driving on dry, paved roads with VTM-4r
LOCK on may damage the rear differential when
making a turn. Strange noise and vibration can also
result.
The VTM-4r LOCK can be used to help free your
vehicle from being stuck in mud, sand, or gravel.
When the lock is engaged, apply light pressure to the
accelerator pedal.
When more torque is applied, the rear tires are not
likely to spin. This is normal.
If you are not able to free the vehicle, stop and
reverse direction.
As soon as this feature is no longer needed,
disengage the VTM-4r LOCK.
1To Disengage the VTM-4r LOCK
The VTM-4r LOCK temporarily disengages when the
vehicle speed exceeds 18 mph (30 km/h). The
indicator in the button remains on.
* Not available on all models
Home




ving
VSAŽ (Vehicle Stability Assist), aka ESC (Electronic
Stability Control), System
VSAŽ helps to stabilize the vehicle during cornering if the vehicle turns more or less
than what was intended. It also assists in maintaining traction on slippery surfaces.
It does so by regulating engine output and selectively applying the brakes.
When VSAŽ activates, you may notice that the
engine does not respond to the accelerator.
You may also notice some noise from the
hydraulic system. You will also see the
indicator blink.
■VSAŽ Operation
1VSAŽ (Vehicle Stability Assist), aka ESC (Electronic Stability
Control), System
The VSAŽ may not function properly if tire type and
size are mixed. Make sure to use the same size and
type of tire, and the air pressures as specified.
When the VSAŽ indicator comes on and stays on
while driving, there may be a problem with the
system. While this may not interfere with normal
driving, have your vehicle checked by a dealer
immediately.
VSAŽ cannot enhance stability in all driving situations
and does not control the entire braking system. You
still need to drive and corner at speeds appropriate
for the conditions and always leave a sufficient
margin of safety.
The main function of the VSAŽ system is generally
known as Electronic Stability Control (ESC). The
system also includes a traction control function.
VSAŽ System
Indicator
Home






This button is on the driver side control panel.
To turn the VSAŽ system on and off, press and
hold it until you hear a beep.
VSAŽ will stop and the indicator will come on.
To turn it on again, press the (VSAŽ OFF)
button until you hear a beep.
VSAŽ is turned on every time you start the
engine, even if you turned it off the last time
you drove the vehicle.
■VSAŽ On and Off 1VSAŽ (Vehicle Stability Assist), aka ESC (Electronic Stability
Control), System
Without VSAŽ, your vehicle will have normal braking
and cornering ability, but it will not have VSAŽ
traction and stability enhancement.
In certain unusual conditions when your vehicle gets
stuck in shallow mud or fresh snow, it may be easier
to free it with the VSAŽ temporarily switched off.
When the VSAŽ system is off, the traction control
system is also off. You should only attempt to free
your vehicle with the VSAŽ off if you are not able to
free it when the VSAŽ is on.
Immediately after freeing your vehicle, be sure to
switch VSAŽ on again. We do not recommend driving
your vehicle with the VSAŽ and traction control
systems switched off.
If the low tire pressure/TPMS, low tire pressure, or
TPMS indicator comes on or blinks, the VSAŽ system
comes on automatically. In this case, you cannot turn
the system off by pressing the button.
You may hear a motor sound coming from the
engine compartment while system checks are being
performed immediately after starting the engine or
while driving. This is normal.
VSAŽ OFF Indicator
Home
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post #38 of 57 (permalink) Old 05-03-2015, 10:01 AM
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Quote:
Originally Posted by speedlever View Post
I think that's a reasonable analysis. I believe you'll find the VTM-4 system quite capable in those conditions. For the record, SH-AWD can send power side to side as well as front to rear. VTM-4 can only send power front to rear as needed. In practice, there may not be much of a functional difference in most normal driving conditions.

One other thing that might be a concern for you is that Honda included VCM with 4wd models beginning in 2009. Personally, I am not a fan of VCM.

The SH-AWD system only sends power "side to side" when accelerating the outer wheel, while providing no power to the inner.

Great for spirited driving, but zero extra help in most low traction situations.

The VTM-4 can "send power" (really bad wording) to either rear wheel independently. (except when used in lock mode)

However beautiful the strategy, you should occasionally look at the results.
Sir Winston Churchill
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post #39 of 57 (permalink) Old 05-03-2015, 10:09 AM
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Quote:
Originally Posted by N_Jay View Post
The SH-AWD system only sends power "side to side" when accelerating the outer wheel, while providing no power to the inner.

Great for spirited driving, but zero extra help in most low traction situations.

The VTM-4 can "send power" (really bad wording) to either rear wheel independently. (except when used in lock mode)
Honda claims the new Pilot's VTM-4 system can send power side to side. I'm looking forward to the details on how it works.
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post #40 of 57 (permalink) Old 05-03-2015, 10:29 AM
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Why not make it a two speed transfercase? But the new shape looks like a crossover hence AWD.


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post #41 of 57 (permalink) Old 05-03-2015, 11:39 AM
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Originally Posted by Brolan View Post
Honda claims the new Pilot's VTM-4 system can send power side to side. I'm looking forward to the details on how it works.
Yes. I believe it's called iVTM-4. Sounds like a nice improvement over VTM-4. And it's supposed to be able to handle more power than the current VTM-4 system too.

I do not know of anyway for the current VTM-4 system to send power to only one side or the other as it is currently implemented. Both left and right clutches are powered together. There is no independent logic to decide to send more power to one side than the other to my knowledge.

--speedy
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post #42 of 57 (permalink) Old 05-03-2015, 04:36 PM
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Quote:
Originally Posted by Brolan View Post
Honda claims the new Pilot's VTM-4 system can send power side to side. I'm looking forward to the details on how it works.
It always could. The left and right clutch packs are independently controlled.

However beautiful the strategy, you should occasionally look at the results.
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post #43 of 57 (permalink) Old 05-03-2015, 04:38 PM
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Originally Posted by sblvro View Post
Why not make it a two speed transfercase? But the new shape looks like a crossover hence AWD.


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Because the transfer case is not between the transmission and both diffs.

The front diff is driven by the output of the transmission directly (FWD style).
the (so called) "transfer case" is just the gear set driving the propeller shaft (and hence real axle assembly)

However beautiful the strategy, you should occasionally look at the results.
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post #44 of 57 (permalink) Old 05-03-2015, 04:40 PM
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Quote:
Originally Posted by speedlever View Post
Yes. I believe it's called iVTM-4. Sounds like a nice improvement over VTM-4. And it's supposed to be able to handle more power than the current VTM-4 system too.

I do not know of anyway for the current VTM-4 system to send power to only one side or the other as it is currently implemented. Both left and right clutches are powered together. There is no independent logic to decide to send more power to one side than the other to my knowledge.
EDIT:
I was Wroooo . . . . .,
I was Wrooooooonnnn . . . .
I was not exactly right.

I was under the impression that they were independently controlled, but in real world use probably makes no difference.

How would powering one side instead of both make any real difference?

However beautiful the strategy, you should occasionally look at the results.
Sir Winston Churchill

Last edited by N_Jay; 05-03-2015 at 04:43 PM.
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post #45 of 57 (permalink) Old 05-03-2015, 05:53 PM
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Quote:
Originally Posted by N_Jay View Post
EDIT:

How would powering one side instead of both make any real difference?
I used to drive 2nd Gen MDX's with SH-AWD and that system really only helps in spirited driving when carving curves (you can hit the accel while taking curves and it sends the power to the outside wheels).

SH-AWD was no help at all in winter driving as far as I'm concerned. My '13 Pilot system works as well or better in the Minnesota winters than any MDX I ever drove (including my '05 MDX, and all those loaner 2nd gen MDX's I got over the years with SH-AWD while my '05 was in for service..... yeah I'm that guy that drives the crap out of loaners ).
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