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Motronic and ABS diagnostic reference
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Mystic Red
Flying Brick Rider


Joined: 28 Mar 2005
Posts: 2330
Location: Twin Lakes Idaho

PostPosted: Tue Nov 20, 2007 8:13 pm    Post subject: Reply with quote

Quote:
John,
Looks to me like someone is making a lot of money putting my LED in a plastic box with a switch. Smile

Mick


Does Drake speak German? Smile
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Scott Hespelt, '94 K11LT
K11 OG #466
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bmwmick
Flying Brick Rider


Joined: 07 Jun 2003
Posts: 907
Location: Tucson, AZ

PostPosted: Tue Nov 20, 2007 8:25 pm    Post subject: Reply with quote

Mystic Red wrote:
Quote:
John,
Looks to me like someone is making a lot of money putting my LED in a plastic box with a switch. Smile

Mick


Does Drake speak German? Smile


Nein!
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Mick McKinnon
KOG#175
'93 K1100LT, '96 R1100RT, '84 R100RS, 2010 Kawasaki C-14
Tucson, AZ
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tibbe
Flying Brick Rider


Joined: 14 Jul 2003
Posts: 190
Location: Lulea Sweden

PostPosted: Mon Feb 04, 2008 5:05 pm    Post subject: Reply with quote

Hi Mick

A BIG thanks from Sweden too.
Just what I neededm has a -94 K11LT that will not rew abowe 3krpm, regardless of gear and torque.
Was wery close to ask it there are any adepter to OBD II, but there are no need for it now. Or are there any adepter to OBD II?

Even if I can't ride it at the moment ( no spiketyres ), I can always check the codes.

/All the best
Sven-Erik Tiberg
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bmwmick
Flying Brick Rider


Joined: 07 Jun 2003
Posts: 907
Location: Tucson, AZ

PostPosted: Mon Feb 04, 2008 6:19 pm    Post subject: Reply with quote

tibbe wrote:
Hi Mick

A BIG thanks from Sweden too.
Just what I neededm has a -94 K11LT that will not rew abowe 3krpm, regardless of gear and torque.
Was wery close to ask it there are any adepter to OBD II, but there are no need for it now. Or are there any adepter to OBD II?

Even if I can't ride it at the moment ( no spiketyres ), I can always check the codes.

/All the best
Sven-Erik Tiberg


Sven-Erik,
That sounds a lot like low fuel pressure. Does it idle OK?
Can't hurt to check the codes.

Mick
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Mick McKinnon
KOG#175
'93 K1100LT, '96 R1100RT, '84 R100RS, 2010 Kawasaki C-14
Tucson, AZ
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 9482
Location: Bumf***, WA

PostPosted: Sat Feb 14, 2009 12:17 pm    Post subject: Reply with quote

Bumping so it doesn't get archived. Rolling Eyes
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93 K11LT
94 K11RS- "Kato"
86-97 K75F (K75/100/1100 Frankenbrick)
86 K75C w/ paralever, high perf. cams,TURBO!
91 K1
86 custom K100
and a few more classic Ks
IBA #17739 (SS1K, BBG, 50CC)
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 9482
Location: Bumf***, WA

PostPosted: Mon Jan 18, 2010 9:03 pm    Post subject: Reply with quote

Flying Duck wrote:
Bumping so it doesn't get archived. Rolling Eyes

_________________
93 K11LT
94 K11RS- "Kato"
86-97 K75F (K75/100/1100 Frankenbrick)
86 K75C w/ paralever, high perf. cams,TURBO!
91 K1
86 custom K100
and a few more classic Ks
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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cburgess594



Joined: 21 Mar 2012
Posts: 17
Location: Philippines

PostPosted: Mon Apr 02, 2012 8:23 pm    Post subject: Reply with quote

bmwmick wrote:
Sugar wrote:
That's no grid pattern. It is a Scottish swordfish wearing a tartan coat.


Hey John,
I LIKE that explanation! Very Happy All my ancestors are from the Isle of Skye.

Mick


And implies to..... Laughing
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RobBowker
Brick Rider


Joined: 16 Oct 2014
Posts: 43
Location: Oxfordshire, UK

PostPosted: Sun May 14, 2017 4:08 pm    Post subject: Clarity Reply with quote

First, thanks so much for collating the info in the OP - marvellous stuff.

Just to be clear (and please forgive my ignorance), to get a fault code for ABSII, I need to ground pin#2 of the diagnostic plug, turn on the ignition and count the flashes on the temp light below the tacho? Or am I missing something?
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1998 K1100LT SE
1995 Honda NTV 650 P (now sold)
1986 BMW R80RT TIC (the money pit - sold)
1981 CX500B (sold)
1981 Honda C70 (sold)
1981 Honda C90 (written off on a gravelly bend!)
1960s BSA Bantam D7 (never did get it running)
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bmwmick
Flying Brick Rider


Joined: 07 Jun 2003
Posts: 907
Location: Tucson, AZ

PostPosted: Sun May 14, 2017 9:04 pm    Post subject: Re: Clarity Reply with quote

RobBowker wrote:
First, thanks so much for collating the info in the OP - marvellous stuff.

Just to be clear (and please forgive my ignorance), to get a fault code for ABSII, I need to ground pin#2 of the diagnostic plug, turn on the ignition and count the flashes on the temp light below the tacho? Or am I missing something?


Rob,
Go back to page one and read it carefully. You need the test LED to read-out the ABS faoults. The temp lamp only displays Motronic faults on K-bikes.

Mick
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Mick McKinnon
KOG#175
'93 K1100LT, '96 R1100RT, '84 R100RS, 2010 Kawasaki C-14
Tucson, AZ
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RobBowker
Brick Rider


Joined: 16 Oct 2014
Posts: 43
Location: Oxfordshire, UK

PostPosted: Sat Jul 15, 2017 12:30 pm    Post subject: Reply with quote

Thanks Mick. Late reply but I was just referring someone else to this thread and remembered. I did read it carefully. It is a bit (tiny bit) hard to follow as you aren't sure whether you are reading ABSI or ABSII instructions but the best thing is to just try it. It works! That's the main thing. I have rarely felt such joy as waiting those 30 seconds of re-set. Firing up and seeing (and hearing) everything work just fine. Who'd have thought ABSII hydro relays would unstick themselves?
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1998 K1100LT SE
1995 Honda NTV 650 P (now sold)
1986 BMW R80RT TIC (the money pit - sold)
1981 CX500B (sold)
1981 Honda C70 (sold)
1981 Honda C90 (written off on a gravelly bend!)
1960s BSA Bantam D7 (never did get it running)
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bmwmick
Flying Brick Rider


Joined: 07 Jun 2003
Posts: 907
Location: Tucson, AZ

PostPosted: Sat Jul 15, 2017 9:46 pm    Post subject: Reply with quote

Rob,
Glad you were sucessful in resetting your ABSII. The relays probably were not stuck, just needed the reseet to operate properly.

Mick
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Mick McKinnon
KOG#175
'93 K1100LT, '96 R1100RT, '84 R100RS, 2010 Kawasaki C-14
Tucson, AZ
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CR_Bricker
Brick Rider


Joined: 06 Nov 2016
Posts: 25

PostPosted: Wed Apr 11, 2018 2:59 pm    Post subject: Reply with quote

Just in case other people are having problems clearing the 1133 as I was.

I was always getting code 1133 when I tested the motronic on my 1991 K100RS 16v.

This is how i finally cleared it.

After getting the 1133 code I cranked the engine for a few seconds with the sidestand down and without turning off the ignition. The LED goes out and only comes back on when I earth the #1 switch. I had to try connecting and disconnecting for five seconds a few times before it finally accepted it and gave me code 4444.

I was cranking with the sidestand down, then putting it up, then grounding the pin.

Thanks for the very useful information.
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Costa Rica
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Oscar91



Joined: 11 Apr 2018
Posts: 6

PostPosted: Thu Apr 19, 2018 6:57 am    Post subject: Reply with quote

I was able to clear the error successfully with the aid of a diagnostic system like this: https://www.motorcycleparts-hornig.com/BMW-K-1100-RS-and-LT/Tools/GS911-3-pin-Diagnostic-Equipment.html
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Mike d
Mad Brick Rider


Joined: 19 Feb 2010
Posts: 113
Location: Daventry UK

PostPosted: Fri Apr 20, 2018 7:23 pm    Post subject: Reply with quote

Why pay the $150 in that advert when the hexcode site sells it for $99?

Mike
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RobBowker
Brick Rider


Joined: 16 Oct 2014
Posts: 43
Location: Oxfordshire, UK

PostPosted: Mon Jul 02, 2018 7:34 am    Post subject: ooops, it did it again Reply with quote

bmwmick wrote:
Rob,
Glad you were sucessful in resetting your ABSII. The relays probably were not stuck, just needed the reseet to operate properly.

Mick


For no apparent reason, at the start of a ride last week my ABS-II lights began to flash alternately again. And yes, there was that whine from under the saddle. "hydro relays stuck again" I yelled in frustration. So went through the diagnostic and reset (eventually, having found and fixed a broken wire on the ABS reset switch on the handlebars). The fault persisted but a few clouts with a screwdriver handle on the relay housing seemed to free it. So all's good again.

The first time, I was fairly sure my old battery was the culprit for causing the hydro relays to stick on. Now, with a 15 month old battery in pretty good nick and showing full charge, I have no idea what the cause was. UNLESS it was an intermittent contact or inadvertent ground on the broken wire of the ABS handlebar switch. Is it even possible that could give a bad voltage reading to the control unit and cause the relay to stick???

The good news it is happens close to home and I'm getting the battery removal drill down to a fine art.

Finally, I should add that I seem to send quite a few people to this page from the "BMW-K motorcycles K1 k75 k100 k1100 (purists)" Facebook group https://www.facebook.com/groups/651763108350724/ who find it and http://largiader.com immensely useful. Thanks to all concerned.
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1998 K1100LT SE
1995 Honda NTV 650 P (now sold)
1986 BMW R80RT TIC (the money pit - sold)
1981 CX500B (sold)
1981 Honda C70 (sold)
1981 Honda C90 (written off on a gravelly bend!)
1960s BSA Bantam D7 (never did get it running)
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