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-   -   Sportsdriver day,plastic cone + GTR = expensive combination (https://www.gtr.co.uk/forum/134041-sportsdriver-day-plastic-cone-gtr-expensive-combination.html)

EvolutionVI 22nd March 2010 12:46 PM

Sportsdriver day,plastic cone + GTR = expensive combination
 
Just look what i needed to fix today......

A friend did a sportdriving course in his immaculate GTR,after hitting a simple plastic cone on the slippy,wet surface on the driving center his pedestrian security system explodes,lifts the hood and ruins his day.....no damage to the bumper,not even paintdamage,you cant even see where the cone hit the car......its just one of few not correctly developed parts on the car.

After one hour in the workshop he could join the group again with the pedestrian system removed and a provisional repair.....think i will pull my pedestrian security system out today,as im not interested seeing this system in action on my car:thumbsup:



http://img694.imageshack.us/img694/2706/gtr1w.jpg

Rich-GT 22nd March 2010 01:00 PM

Aaarg terrible, only a matter of time before this happened... again. Can someone please come up with a simple way of disabling pedestrian security system for when on track? Fuse pull, some passive device to plug in place of the sensor, or whatever?


Thanks


Rich

Crispy Rice 22nd March 2010 01:11 PM

I hate it when that happens.....

EvolutionVI 22nd March 2010 01:12 PM

I will just remove mine completly out of the car including the bulb....job done.....:thumbsup:

NINEIR0N 22nd March 2010 01:19 PM

:DI think the tape kinda completes the look.....Ben is this a mod you can provide?!?!?:D

Rich-GT 22nd March 2010 01:28 PM

Quote:

Originally Posted by EvolutionVI (Post 1267175)
I will just remove mine completly out of the car including the bulb....job done.....:thumbsup:

Can you post up pictures of where the various modules, sensors & cables are? I would like to come up with a way of disabling without removing. Unfortunately the US Service Manual does not include it.... Lucky them.

Rich

EvolutionVI 22nd March 2010 02:03 PM

The sensors are on the front bumper around the top grille....there is 3 of them in total,the connector of them is direct under the plastic where the hoodstick is clipped it,open the 8-10 plastic clips and you can disable the plug,no connection,no explosion:thumbsup:

Just need put a black tape over the bulb in the car:D

ozren 22nd March 2010 02:12 PM

Boy, this is such crap! What a miserable system!

Rich-GT 22nd March 2010 02:15 PM

Thanks, will take a look. So by the sounds of what you are saying, with the bumper sensors disconnected then you get a light on the dash, but everthing else runs fine?

If that's the case then sounds like a good solution for the track. Dependant on what sort of signal the sensors send to the ECU it may be possible to plug up a passive device that simulates the non triggered state. Trouble is it's not the sort of thing you can play with trial and error style. :bawling:

In the post on the other time this has happened there is mention of a passenger safety ECU, that also has to be replaced when triggered. Have you found this / removed it?


Rich

EvolutionVI 22nd March 2010 02:18 PM

Quote:

Originally Posted by Rich-GT (Post 1267208)
Thanks, will take a look. So by the sounds of what you are saying, with the bumper sensors disconnected then you get a light on the dash, but everthing else runs fine?

If that's the case then sounds like a good solution for the track. Dependant on what sort of signal the sensors send to the ECU it may be possible to plug up a passive device that simulates the non triggered state. Trouble is it's not the sort of thing you can play with trial and error style. :bawling:

In the post on the other time this has happened there is mention of a passenger safety ECU, that also has to be replaced when triggered. Have you found this / removed it?


Rich

If there is no sensors which trigger the ecu.....you dont need to replace it..:smokin:

I will delete mine completly,i dont want to be the guy the porsche owners laugh loud when i hit a plastic-cone on track :thumbsup:

countvonc 22nd March 2010 02:24 PM

Is that an air bag that has gone off as well?

EvolutionVI 22nd March 2010 02:54 PM

Quote:

Originally Posted by countvonc (Post 1267217)
Is that an air bag that has gone off as well?

No,thats the drivers jacket :thumbsup:

ru' 22nd March 2010 05:04 PM

:eek:

Rich001 22nd March 2010 05:48 PM

Seems pointless all together. Pedestrians should get out of the way when they see a GTR coming anyway. They have the y-pipe as an audible warning to GTF out of my way.

My main concern is extreme evasive maneuvers that people will take at speed to avoid pheasants etc, so as not to activate this retarded extraneous system.

I hit a cone in one of Nissans academy GTR's at 10mph (I outbraked myself) but this didn't happen.

Bad times for your friend.

Rich-GT 22nd March 2010 06:27 PM

If you think exploding bonnets are bad, have a read of this...

Quote:

Recently, Nissan announced that they are developing a pedestrian safety feature which would be based on cellular communications. The company reported that they are in the process of studying a cutting edge Intelligent Transportation System or the ITS which uses the Global Positioning System (GPS) to determine the location of pedestrians which might be accidentally hit by the car.

The car company also further announced that the new system currently being developed will be using the next 3G cellular communications system. The said system will be used to pinpoint the location of a pedestrian and its relative risk of being hit by the car.

Nissan, known for the dependability of their vehicles and stock parts such as Nissan wheels and other components reported that the system will come in handy on a blindspot situation where the drivers' vision is limited. Nissan reported that the system will be tasked to collect information concerning the position, speed, and other data regarding the car and the pedestrian. An onboard computer will then consider these data and warns the driver if there is a risk of hitting a pedestrian. The warning will alert the driver to take evasive actions to avoid hitting the person sensed by the system.

Although the safety system looks good in theory, there are still a lot of issues that needs to be addressed. Nissan announced that they will be studying in which situations that drivers should be warned. Information needed for the system to properly warn the driver includes the speed of the vehicle, the position of the pedestrian, and the distance between the car and the nearest pedestrian. These data are just some of the data needed by the system. Nissan is also on the process of looking for the most effective warning medium that will be used with the system.

And no it's not April 1st..

I know lets link the GPS system directly with the exploding bonnnet...


Rich

David.Yu 22nd March 2010 06:27 PM

This wouldn't matter if it was a simple system to reset, not the X000 bills that are already making the GT-R a laughing stock... :puke:

How come we haven't heard about problems with any other pedestrian safety systems? Or were Nissan the first to market with one on a high performance car?

Godders 22nd March 2010 07:38 PM

The idea is; if we hot an object any anything above say +5 miles an hour it might be a pedestrian and so the system fires.

Problem is; Tow bars, Cones, Plastic Bollards, Litter, dustbins blowing around in the wind, Pheasants or peasants (joking). 99% of the time its not going to count and the ridiculously stupid price of a reset. Disposable fire once control unit and solenoids is just stupid design. If a solenoid can change a gear at 100th of a second I am sure it can pop a bonnet up and then down again once reset. The design is bonkers.

When the spec is clear Ill be disabling mine.

Godders 22nd March 2010 07:39 PM

BTW; I think the tape will do more damage than the cone... paint's so VERY soft.

EvolutionVI 22nd March 2010 07:47 PM

Quote:

Originally Posted by Rich001 (Post 1267342)
Seems pointless all together. Pedestrians should get out of the way when they see a GTR coming anyway. They have the y-pipe as an audible warning to GTF out of my way.


:chuckle::chuckle::chuckle:

Spoony_1984 22nd March 2010 08:53 PM

Hey Guys

I haven't got myself a GTR yet, but I would imagine once this system is unplugged, its a matter of finding what resistance is expected to replicate these sensors.

The sensors simply send a certain resistance back to the control unit, so if this resistance could be found and resistors fitted in their place it could be solved with no dash lights.

Philip 22nd March 2010 08:53 PM

Quote:

Originally Posted by David.Yu (Post 1267370)
How come we haven't heard about problems with any other pedestrian safety systems?

GT-R + internet = massive hype

Philip

David.Yu 22nd March 2010 09:06 PM

Quote:

Originally Posted by Philip (Post 1267501)
GT-R + internet = massive hype

Philip

True, but the massive repair costs aren't hype. I spoke to a performance car insurer yesterday and he said claims for minor front end prangs on GT-Rs were causing quite a few insurers to review their stance on them.

I was as sceptical as anyone else when the first "11k" story came out and prices were apparently adjusted, but they are still stupidly high.
It's a serious problem Nissan need to sort out IMO.

In the meantime, we need the geniuses at GTC to come up with an aftermarket bypass system urgently! :)

Rich-GT 22nd March 2010 09:08 PM

OK so lets get practical about this. Putting aside for the moment the on the road issue and any legal or political correctness associated with disabling the sensors, it is obviously complete lunacy to leave them connected for any off road event.

So I have had a quick look, and as described there are three sensors mounted just inside the grill.



One in the middle just behind the badge.

http://www.slotforum.com/forums/uplo..._224_10856.jpg

And two more on each side towards the edge of the grill.

http://www.slotforum.com/forums/uplo..._224_23603.jpg


Each has a plug on it and the loom leads as described to a single plug over by the hinge side of the bonet stay.

So I tried unplugging the plug to all three.

http://www.slotforum.com/forums/uplo..._224_78232.jpg

Fired the car up and everything seemed to run fine. Except as expected a warning light, with a nice picture of an exploded bonnet flashes at you.

http://www.slotforum.com/forums/uplo...224_129143.jpg

I plugged back up and the light continued to flash on restarting.

Checked for error codes with the AP and there were none, however doing an ECU reset with the trusty AP put the light out.

So This may be the way forward but I have a few concerns.

First without knowing what is in the sensors or the input circuitry on whatever they feed one cannot be certain about leaving the inputs floating. However I find it very unlikely that the system will trigger without the sensors connected.

Of bigger concern is what happens if you were to hit a "cone" when on track and then connect back up again afterwards? It is possible that the sensors are a one hit wonder and stay in the triggered condition?

So if thats the case then you would need to remove the sensors, which makes this a much more difficult job if you want to disconnect and reconnect for the road, or for a service?

What do others think, and has anyone got any more data on the sensors?


All that said I realy feel that Nissan should provide an "approved" method of disabling for the track?


Rich

zeyd 22nd March 2010 10:23 PM

We need a button :

There is one for VDCoff... they should put one for pedestrian 5k bill.

TAZZMAXX 22nd March 2010 10:46 PM

Sorry guys, but I must have my thick head on tonight. How does this POS bonnet pop up system protect pedestrians?

Philip 22nd March 2010 10:51 PM

Stops their head hitting the hard engine.

Philip

countvonc 22nd March 2010 10:52 PM

Pops the bonnet away from the engine block so they 'the pedestrian' dont deform the bonnet into the hard surface of the block.

You have to have a minimum distance between block and bonnet, without it you have to have a pop up system.

countvonc 22nd March 2010 10:53 PM

Quote:

Originally Posted by Philip (Post 1267584)
Stops their head hitting the hard engine.

Philip

However the driver may get out afterwards and put this right.

Jm-Imports 22nd March 2010 10:59 PM

hit a small animal or rabbit on country road and not good for you..

i disabled mine by just unpplugging them.

and took the hood bulb off.

Rich-GT 22nd March 2010 11:02 PM

Still not a lot of fun for the pedestrian.

http://www.slotforum.com/forums/uplo..._224_12300.jpg


Rich


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