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ABS warning light


TJW

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larryblag
On 13/02/2019 at 07:53, Tonyj said:

Amazing , Honda have manufactured a self healing motorcycle. Now that is build quality :0)

When I dropped the RT and we both commando-rolled from under it I picked it straight away. Put it on the sidestand and walked away. All that plastic? I daren't look. Half an hour later I went to survey the damage - nothing! Well, a very slight scuff on the head protector but you wouldn't see it without someone point it out. 

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Andy m

Oh no, not the Commando roll, pop up like supermario, use your Hulk like strength to lift it and quickly into the "that didn't happen" stance? It's usually followed the next morning by a back that's locked solid and knuckles that look like you've been juggling red hot coals. These do self heal, but still better to breathe deeply, hit the kill switch and have a think. It's not like your kebab, the Ten second rule doesn't apply. 

 

Andy

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SteveThackery
10 hours ago, Andy m said:

A low voltage fault usually latches once its seen it. It's often put into failure as it cranks. With trucks and cars where the light goes off stationary you will see it come back on. With an off at 5 kph light (which we had on 4+wheels until 1999*) you may spot a flicker. You may also find it stays on first thing in a morning but after tea break goes off OK.

 

It came on after washing.  It stayed on for a few days, then went off again.  It's water in a connector.

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SteveThackery
1 hour ago, Andy m said:

Oh no, not the Commando roll, pop up like supermario, use your Hulk like strength to lift it and quickly into the "that didn't happen" stance? It's usually followed the next morning by a back that's locked solid and knuckles that look like you've been juggling red hot coals. These do self heal, but still better to breathe deeply, hit the kill switch and have a think. It's not like your kebab, the Ten second rule doesn't apply. 

 

That's a brilliant description of exactly what happens when I drop a bike!  Fortunately, in recent times it's only been on my own driveway whilst manoeuvring.

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listener
3 hours ago, Andy m said:

Oh no, not the Commando roll, pop up like supermario, use your Hulk like strength to lift it and quickly into the "that didn't happen" stance? It's usually followed the next morning by a back that's locked solid and knuckles that look like you've been juggling red hot coals. These do self heal, but still better to breathe deeply, hit the kill switch and have a think. It's not like your kebab, the Ten second rule doesn't apply. 

 

Andy

 

I usually throw in a "why the f*ck did you let me do that God?" pose.

 

stock-photo-handsome-young-man-in-a-blue

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Tonyj

Confession time . Knocked my Ducati off the stand as I was walking around it last bank holiday. 

 All of what Andy described even to the wincy back is too true . Also £1300 down the drain . 2 x panels that’s  all . One cracked the other marked . I felt super low about being so cocky putting it on the stand . I’d just spent a couple of hours cleaning it . Bit tetchy to say the least :0)

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larryblag

Yup, superhuman strength for a minute - adrenalin probably. As to having the presence of mind to stop and think first? Well that'd be nice :getlost: To be honest it came up quite easily, probably the only advantage to being short is that I was the ideal height to grab it low down for maximum leverage. :D

I do like the kebab analogy. 

Edited by larryblag
Keeebab
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Rocker66
9 hours ago, Tonyj said:

Confession time . Knocked my Ducati off the stand as I was walking around it last bank holiday. 

 All of what Andy described even to the wincy back is too true . Also £1300 down the drain . 2 x panels that’s  all . One cracked the other marked . I felt super low about being so cocky putting it on the stand . I’d just spent a couple of hours cleaning it . Bit tetchy to say the least :0)

Sorry to hear that. I hate it when I do something silly that ends up costing. May I ask which Ducati you have?

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Tonyj

I did once post a picture I think but it’s a 848 Evo corse se in red ,black and white . 

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Tonyj

2012-ducati-superbike-848-4.pngStock image

Edited by Tonyj
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embee

TED!!!!!!!!!!!!!! They're posting porn again!!!!!!!! TED!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Tonyj

It’s totally impractical , like a mistress. It doesn’t even treat me nice but I’m still glad it’s in my life . I’m too big to ride it with the conviction it needs but it’s a exciting and rewarding ride nonetheless.

it is a garage queen , it has 3000 mile on it . When I dropped it I thought “that’s it I’m selling it “ now I have brand new panels I’ll be keeping it . Amore

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listener
5 hours ago, larryblag said:

Yup, superhuman strength for a minute - adrenalin probably. As to having the presence of mind to stop and think first? Well that'd be nice :getlost: To be honest it came up quite easily, probably the only advantage to being short is that I was the ideal height to grab it low down for maximum leverage. :D

I do like the kebab analogy. 

 

Larryblag : I will now demonstrate the correct way to pick up a fallen motorcycle. :whistle:

 

Nick-Nack-TMWTGG.png

 

 

 

The only time I ever eat kebabs is when I'm "three sheets to the wind" ("that's "pish drunk" for non-nautical types).

In this state the ten second rule does not count. ;)

Oh and fallen kebabs usually eviscerate themselves and try to take out as many by-standers as they can.

 

If I were to drop my kebab I'd either:

a: face-plant when I bend down to pick it up,

b: pick it up and eat it regardless of what grit, bugs, other noxious 'condiments' it may include,

c: walk away from it because I'd forgotten WTF I was doi ... Who you looking at? (hic) Wanna fight?
 

None of these count when my pride and joy goes "cruncha ona terra firma". :no:

Edited by listener
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Andy m

They should use heavier salad. If you could pick the the bread and "meat" up and only leave gritty onion, lettuce and other biodegradable stuff it'd be better for everyone. 

 

Andy

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larryblag

Heavy salad :rofl:

How did we get from ABS to heavy salad and fallen kebab? Try that on literally any other forum (motorcycle or otherwise). 

OP - I'm so sorry :console:

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Tonyj

Sean lock says “ kebabs are light houses for drunks “ don’t care how healthy we play at . You’ve gotta get some dirty drunkarse doner in ya. :0))

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larryblag
4 minutes ago, Tonyj said:

Sean lock says “ kebabs are light houses for drunks “ don’t care how healthy we play at . You’ve gotta get some dirty drunkarse doner in ya. :0))

Or Sirens... :fear:

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  • 10 months later...
On 2/2/2019 at 20:24, Andy m said:

ABS is voltage sensitive because the inductive analogue wheel sensor signals are chopped into a square wave then added back on their own sine wave to produce a rate of change measurement for the angular decel via the crossing point without a clock. If the square wave is doing ones and zeros and then a 0.7 pops up because it doesn't reach the crossing point and is logged as an unexpected zero, the computer says no. This is effectively 1940's analogue electronics in logic terms, just a control loop, because no one can afford to reapprove the real basics. They use modern chips but still acting like a set of thermonic valves or basic transistors or even a mechanical flywheel and clutch.

 

Once it leaves the loop "are we slipping? -Yes-fire valve-are we slipping? ..." and enters the fault loop it's stuck there until the ignition is keyed. Once the ignition is keyed it just goes back to box 1 "Is connection 1 open circuit?.. Is connection 2..."

 

The trouble with the bike warning light sequence is that you can't tell if it was bad at ignition on, dropped during cranking or simply doesn't like the signals as it passes 5 kph. 

 

Andy

Hello Ace.  You appear to be very knowledgable re NC's.

Wonder if you can help.

Since replacing my ECU, ignition key and Hiss transponder, my ABS light continuously flashes and my speedo is way out of sync.

Any ideas please?  

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Andy m

Hello

 

What sort of flashing? The light sequence when powered is just on then off when it see's both sensors. To flash it's either powering on and off, or the blink code is active. This is started by jumping the green and brown pins on the red scs plug and is dots and dashes that make up the fault code. I would start by checking there is nothing jumping those pins. 

 

Why was the ABS unit replaced? Or was this the engine ECU? 

 

The speedo problem suggests wiring issues as the sensor for that is not part of the ABS. Not sure where it is on an NC (sold mine 3 years ago) on the CB its on the gearbox output shaft. 

 

Andy

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embee
1 hour ago, Andy m said:

The speedo problem suggests wiring issues as the sensor for that is not part of the ABS. Not sure where it is on an NC (sold mine 3 years ago) on the CB its on the gearbox output shaft. 

Andy

The speedo sensor is in the top of the gearbox. (called Vehicle speed sensor VSS if I recall correctly).

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On 3/6/2020 at 18:25, Andy m said:

Hello

 

What sort of flashing? The light sequence when powered is just on then off when it see's both sensors. To flash it's either powering on and off, or the blink code is active. This is started by jumping the green and brown pins on the red scs plug and is dots and dashes that make up the fault code. I would start by checking there is nothing jumping those pins. 

 

Why was the ABS unit replaced? Or was this the engine ECU? 

 

The speedo problem suggests wiring issues as the sensor for that is not part of the ABS. Not sure where it is on an NC (sold mine 3 years ago) on the CB its on the gearbox output shaft. 

 

Andy

Hello Andy.

Thanks for your replies.

I changed the engine ECU, after getting the bike back following a theft.

The ABS light continually flashes when riding the bike, but seems to have no detrimental effect.

 

I managed to solve the speedo problem.  It somehow reset to KMS/h rather than MPH so therefor appeared to be running fast.

 

Regards.

 

Mark

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On 3/6/2020 at 19:58, embee said:

The speedo sensor is in the top of the gearbox. (called Vehicle speed sensor VSS if I recall correctly).

I managed to solve the speedo problem.  It somehow reset to KMS/h rather than MPH so therefore appeared to be running fast.

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Andy m

The ABS may be shut down. If you brake hard enough it will lock wheels, stop longer, step out etc. 

 

A steady flash isn't part of the fault data I can find. Best bet IMHO is to blink code it. Jump the green to the brown on the red plug and count the dots and dashes. 

 

Andy

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