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1Back to top Go down    ABS Fault on Thu Apr 23, 2015 2:18 pm

alexanderfitu

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Hi all

I took delivery of my K100 RS today and I am going through the various issues.


My ABS light is on and does not reset. I got the blink codes and it comes up with error code 7. I have confirmed that my ABS button works as I can hide the flashing warning for 5 minutes or so.


I get Error code 7 which relates to internal ECU fault. I wonder if there is anything I can do before sending it to this guy :http://bmwk10075abs1fix.web.fc2.com/ to repair?


Thanks all.

    

2Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 2:43 pm

mike d


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Have you tried the reset procedure?

Mike

    

3Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 2:44 pm

alexanderfitu

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Yes, it does not reset Sad

    

4Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 2:51 pm

mike d


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You could try a full brake flush. One of the common issues with all the ABS modules is that the fluid is not changed on a regular basis, thus the mechanisms can get corroded (have to say far more common on the i-ABS modules though).

Miike

    

5Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 2:52 pm

alexanderfitu

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I have a binding front right brake calliper, so will do that as a matter of course as well. Thanks

    

6Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 5:15 pm

rosskko

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Ensure the battery is fully charged.
My battery is on the way out. My lights flash on occasions if I have not ridden for a few days.
I ride the bike for ten minutes to get a bit of charge back, turn it off, at the key, then back on.

Mine also showed fault seven when tested.

Good luck


__________________________________________________
1986 K100RT VIN 0093801K100RT with summer fairing for a northern visitor

Basic/2 6308802K100CJ05/1988

K1100RS 0194321
    

7Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 5:25 pm

alexanderfitu

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@rosskko wrote:Ensure the battery is fully charged.
My battery is on the way out. My lights flash on occasions if I have not ridden for a few days.
I ride the bike for ten minutes to get a bit of charge back, turn it off, at the key, then back on.

Mine also showed fault seven when tested.

Good luck

Its had a brand new motobatt battery (which I love) by the dealer. He also replaced the alternator as the old one had failed.

I will leave the battery on charge overnight just to be sure however.

    

8Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 6:13 pm

92KK 84WW Olaf

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@alexanderfitu wrote:I have a binding front right brake calliper, so will do that as a matter of course as well. Thanks

I had one of those last year and was too busy at work so got someone to do it for me. All sorted and the master cylinder failed not so long after due to all the bleeding. This has been my experience over many years with brakes, a bleed operation on an older system wrecks the seals inside the master cylinder due to the wear ridge and pumping. You can get a kit for this and if it hasn't been done recently I would do it at same time and make sure to renew the o ring under the reservoir. I had asked the guy who was doing my brakes to do it at same time but he insisted it was ok...he did it 2 months later.

Yours has ABS and the procedure is a bit different.


__________________________________________________
1992 K100LT 0193214 Bertha Alaska Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 58,645 now 83,050 miles
    

9Back to top Go down    Re: ABS Fault on Thu Apr 23, 2015 8:36 pm

RicK G

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Keep trying the reset I heard of one guy who got it to reset on the 304th try. I would not have the patience for that and would have disassembled it with a shot gun after the tenth go.


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"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

10Back to top Go down    ABS fault on Fri Apr 24, 2015 4:22 am

audibob

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I have spare ABS 1.5 Brain( two actually!) after my system failed, read my thread in the transmission section.
Tosi states 7 flashes could be either front or rear modulator , battery or brain. In my case it was the front modulator.
If you want to try my spare brain, then let me know, cover the parcel cost and I will send it to you, I am in Nottinghamshire.
Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

11Back to top Go down    Re: ABS Fault on Fri Apr 24, 2015 4:24 am

alexanderfitu

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@audibob wrote:I have spare ABS 1.5 Brain( two actually!) after my system failed, read my thread in the transmission section.
Tosi states 7 flashes could be either front or rear modulator , battery or brain. In my case it was the front modulator.
If you want to try my spare brain, then let me know, cover the parcel cost and I will send it to you, I am in Nottinghamshire.
Bob

Thanks audibob!

Mines is an ABO2.5 brain unfortunately, I'm not sure if they are interchangeable.

I have had the battery on charge overnight so will give it another go today just to be double sure its not a battery fault. I don't hear the mosquito sound on start up that he describes on his website though which doesn't fill me with confidence.

    

12Back to top Go down    abs fault on Fri Apr 24, 2015 4:38 am

audibob

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I am not sure whether mine can be used to check yours, hopefully someone on here will know. If it is, then the offer stands. On the " mossy noise " from the modulators, I have never heard that on my current k or my previous bike. Try and check the resistance values from your modulators via the 25 pin plug . My front unit showed one reading much lower than the other two, which subsequently proved itself when I swapped it for another modulator which gave higher readings on all three values than my faulty unit.
Bob


__________________________________________________
Yamaha 90
Honda CD 175
Honda CB 360
Triumph T 140V Bonneville
Triumph T150 Trident
Honda CB750 F1
Cz 175
Yamaha XS 750
R 100/7
R 80
K100 LT
K100 LT current bike
    

13Back to top Go down    Re: ABS Fault on Fri Apr 24, 2015 7:28 am

RicK G

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They can be made to work but aren't a direct swap.


__________________________________________________
"Every normal man must be tempted, at times, to spit upon his hands, hoist the black flag, and begin slitting throats." from Mencken's 1919 Prejudices

Bikes 1993 K1100 LT, 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 for now
    

14Back to top Go down    Re: ABS Fault on Fri Apr 24, 2015 7:58 am

alexanderfitu

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Battery off charge, re-installed and ABS code erased, ABS now working! Happy days, thanks all.

    

15Back to top Go down    Re: ABS Fault on Mon May 02, 2016 1:23 am

1990k75

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@RicK G wrote:Keep trying the reset I heard of one guy who got it to reset on the 304th try. I would not have the patience for that and would have disassembled it with a shot gun after the tenth go.

Had to reset mine this week after battery failed, new batt - only had to do the reset 12 times, but it worked Very Happy


__________________________________________________
Past bikes - Yamaha YL-1, Honda XL-125, 1967 BSA 650 Lightning

Current - 1990 K75RT (in drydock) & 1995 K75RT VIN # WB1056503S0372669
- 2011 Suzuki V-Strom 650

Who sez I'm too old to ride?
    

16Back to top Go down    Re: ABS Fault on Mon May 02, 2016 7:15 pm

Beamer_Bill

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When I had to reset mine I whispered "Yes Mistress" in german 3 times and it worked first time.

    

17Back to top Go down    Re: ABS Fault on Wed May 04, 2016 2:06 am

1990k75

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@Beamer_Bill wrote:When I had to reset mine I whispered "Yes Mistress" in german 3 times and it worked first time.

Could you please post that in phonetic German ? Laughing


__________________________________________________
Past bikes - Yamaha YL-1, Honda XL-125, 1967 BSA 650 Lightning

Current - 1990 K75RT (in drydock) & 1995 K75RT VIN # WB1056503S0372669
- 2011 Suzuki V-Strom 650

Who sez I'm too old to ride?
    

18Back to top Go down    Re: ABS Fault on Wed May 04, 2016 2:38 am

Chocolate

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Cheers


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Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

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