Power A/T Button

[1peter]

I've tried my switch and the only selection that seems to make an ounce of difference is the hold position. If i select that it hold 2nd gear when you take off (for slippery roads etc) ?? Why you don't just select 2nd gear i have no idea ?? The other positions make no difference when you select them and watch the tacho, same on my son in laws Patrol.

[Bigrig]

I've tried my switch and the only selection that seems to make an ounce of difference is the hold position. If i select that it hold 2nd gear when you take off (for slippery roads etc) ?? Why you don't just select 2nd gear i have no idea ?? The other positions make no difference when you select them and watch the tacho, same on my son in laws Patrol.

I'll check, but I'm pretty certain that if you just put it in second gear to take off, it still starts in first, slips to second as per normal and won't go to third (the last bit is certain, it's the take off I'm questioning).

When I select the power button, it doesn't give more "power" as such, but instead it holds the gear longer on acceleration (under load) and drops down a gear quicker under load ... good for towing ... I notice that if power is selected, I need less throttle input to get it to change down a gear, and as said, if I give it some or am towing, it holds the gear longer (revs higher and harder) so you don't say drop into third from second and place more stress on the box trying to accelerate/tow at lower revs in a tall gear.

If yours isn't noticeably doing that, then not sure why.

[Cadbury]

I keep mine in power. I like the quick change downs.
Cheers
Tim

[1peter]

Hi Guys,
As far as i know that switch only offers two modes, Power and Hold.
In the AT or Middle position it will automatically select the best mode, Either HOLD or POWER.
Thats why you cant feel the difference when changing from AT to Power.
If you feel the difference when taking of in HOLD mode, hold is working.
When in AT or Power mode it will take of the same, always from 1st, the only difference is Power will hold it in power mode, where AT will selcet the best mode alone.

I should have read your reply more closely the 1st time jimako, what you say makes complete sense. The middle position on the button simply selects either HOLD or POWER automaticaly but would obviously select POWER 99.9% of the time unless you were losing traction when taking off on snow or wet grass etc, then it would select HOLD.

[falcon]

Well that's good info with no owners book I thought down was Eco up power and middle hold seems I've been driving in hold since I've had it

[twisty]

After a bit more experience in low range this is how it works for me. Select hold and shift gears manually. For climbing many will recommend 2nd gear to reduce wheel spin, however, I've found with the standard nissan gearing steep, or long, climbs put a LOT of pressure on the torque converter below 1500 rpm and the TC "pings". 1st gear works much better and the rpm will stay between 1500 and 2000 with the TC very happy. Descents always in L1 with a little left foot brake and a touch of the loud pedal.

On the tar, do want you like.

[Chaz]

The specification manual clearly shows the difference. In Power mode, the transmission shifts down at higher speed at part throttle from 4th to 3rd and 3rd to 2nd.
It has no bearing on up shifts.

[Sir Roofy]

Power mode ,my 4.5 used to go like the clappers &drove like a sports car
was great in the hills

[tallman]

Power mode ,my 4.5 used to go like the clappers &drove like a sports car
was great in the hills

Thats why I leave mine in Power mode

[Patrol grub]

Not 100% sure about gear changes but in mine "hold" also means take off in second gear. Like a snow mode you take of in second for better traction

Yeh that's what is in the owners manual holds it in second for snow and sand starts to reduce spinning on take off