K11 Owners Group

[Mike d]

Hi all,

Been lurking for while, no my first Post on this forum!

This week-end I am going to look at a friends late '92 K1100RS as it won't start. It was working fine when it was put in the garage a few months ago. He has another '94 RS, which was also put away at the same time, and that starts first time.

He has been going through the various connections cleaning and spraying which is good, but he hasn't got it to start yet. All console lights o.k., fuel pump primes, engine spins freely, appears to be getting fuel, and a spark. I have only got this information over the 'phone and not looked at it myself yet.

So by way of preparation (not having done this before) I thought I would check the method of using the temperature light to read out the Motronic fault codes on my '94 K1100LT (Ignition on ground pin of the diagnostic plug etc) before I go over to his place and do the same.

On mine I got the 1133 code, which according to the information can be a spurious fault, and as my bike runs perfectly o.k. I fully expected it to clear when I turned the engine on the starter. Well I did this a number of times and the fault didn't clear. I also repeated the test sequence to see what other codes were stored, and all I continually got was 1133. So first questions:

1. Any ideas why?
2. If I disconnect the battery, will that reset the memory?
3. Will it upset any other factors (TPS ect)?

Right so that's it for my (supposedly healthy bike)

I have both BMW and Clymer manuals, the former has no wiring diagrams and the latter monochrome only. I have searched about a bit looking for full colour version to no avail. So second questions:

1. Has anyone got a link to decent colour diagrams? e.g. One of the K100 sites has fantasic charts and diagnostic information - whoever created them deserves a round of applause.

I will post my finding on the friend's bike after the week-end. Unless anyone has other information to suggest on his no starting RS.

Regards

Mike (United Kingdom)

[Mystic Red]

Side stand switch is the first thing to look at. You can jump it by connecting two wires under the right side panel.
_________________
Scott Hespelt, '94 K11LT
K11 OG #466

[QXEA]

Mike,

Some of the information out there on how to check the fault codes for the later K1100 bikes is incorrect. The correct way to check is:

Ignition switch on
Ground pin 1 for 5 seconds
Read the 1st fault code
To get to the second fault code, ground pin #1 for 5 seconds (do not turn the ignition switch off)
Read the second fault code
Repeat the process until the unit indicates 0000 or 4444 (zero is long light followed by no short lights then back to the long light)(my 95 K1100 indicates 0000 not 4444)
If you switch the ignition off and back on the Motronics will go back to the first fault.

My 95 K1100RS always posts the hall sensor 1 and 2 faults (1133 and 1122). I am not sure if this is normal or there is a problem with the hall sensor. There is very little information out there on this subject.

Like you, I can find a lot of information on the K100 troubleshooting but very little on the later K1100 bikes.

Hope this helps.
Cheers,

Merle

[Tim (Midland Section)]

Greetings Mike, Where in UK are you? Perhaps you could update your profile, a general area will do.
T'aint side-stand switch, check kill switch. Check for GOOD petrol, unleaded degrades fast, especially if the tank is near empty. Check also for water (condensation ) in the tank. An old fuel filter may also be the cause. Sometimes, extended cranking on a dead, but previously good bike bears fruit. Check that the ECU plug is properly seated, If you remove it or disconnect the battery, you will have to put the ignition on, do not hit the starter, then open the throttle fully & close a couple of times to re-teach the ecu about the TPS values.
HTH
_________________
Regards Tim,

Grey haired riders don't get that way by pure luck
1996 Guzzi Cali3 LAPD
1972 750 Commando
G6HRN
#485

[Flying Duck]

[Mystic Red]

[Scott_Anderson]

Mike D,
check here for color diagrams
http://k-technik.pytalhost.com/index.php?option=com_content&task=section&id=7&Itemid=53

He even has some troubleshooting tips. Maybe not as thorough as IBMWR tips but it's a start.
_________________
Ride safe.



1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold)

[Mike d]

Hi guys,

Thanks for the quick responses.

The owner has already shorted the sidestand switch, but it can't be that anyway, because all the correct lights are on.

Hi Tim, thought you may post, it's Mike Delacoe (Toolhire Secretary for the BMW Club) If I had put Daventry you may have guessed You may know the owner it's Elvin from the Midland Section. I already suggested he change the fuel, and it will be the first thing I do on Saturday.

I don't think it's the kill switch because the fuel pump primes and various tell tale lamps go out when it is switched off. The fuel filter is probably less than a year old, but he is going to fit a new one anyway. ECU plug has been removed, cleaned, and sprayed with ACF50. I was going to check the TPS settings, again according to the info I have you can use the temperature light as a guide, but I will measure the resistance. Good point about 'teaching' the ECU about the TPS, as I don't think he did that after having the plug off.

I will also check the fuel pressure at the injection rail.

Merle, the information I had was:

NOTE: The Motronic Control Unit only displays 1 fault code at a time (4 digits) even if there are multiple faults. Once the first displayed fault has been recorded, repeat the Ignition OFF, Ignition ON and ground pin #1 for 5 seconds to display the next stored fault code.
Continue resolving faults until "4444" is displayed indicating all faults have been resolved."

I will try it without turning the ignition off.

Scott - Thanks, I must have been tired, as I have the K-Technik link on my PC

Thanks to all for taking the time to post. I will share my findings (says he confident about getting the bike going )

Regards

Mike

[Mike d]

Hi Scott,

K-Technik.........

Looks like I'll be spending time with some German translations!

Regards

Mike

[Scott_Anderson]

I use Google translator, it works for most any text in the web page format but it doesn't translate anything that is embedded in a pdf document.
I have had to do some German typing in the past to get the translation.
_________________
Ride safe.



1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold)

[Ernie-NH]

Hi mike-d....

What is it in German that you need to know ? We have many native German speakers here on the forum and maybe me or one of the others can help you quickly... What do you need ??

Regards.........// Ernie-NH
_________________
AMA,, American Deaf Bikers
Airhead Beemers Club
'11 G650gs
'95 K1100LT
'76 R100/7

[Tim (Midland Section)]

Hi Mike, sorry, didn't recognise the user name. Apart from gummy injectors (there is a post somewhere on here on testing them) & making sure the pulse to make them open is there, I Can't think of anything else ATM, let us know how you get on. Lets hope there's a big grin sometime Saturday.
_________________
Regards Tim,

Grey haired riders don't get that way by pure luck
1996 Guzzi Cali3 LAPD
1972 750 Commando
G6HRN
#485

[Mike d]

Hi Ernie-NH,

Thanks, I suppose being greedy what I really want is a full translation.

However, I will spend a bit of time on the diagrams first.

Tim, if needed I was going to pull the injector rail and have a look at the spray. I had an offer of a hand held oscilloscope to check the pulses, but will do without for the moment.

Regards

Mike

[Ernie-NH]

Hi Mike...

"Full translation" of what ?? If its a diagram ( there are quite a few ) tell me which diagram and Ill make a transcription list for you of each of the components. Let me know...

Good luck......// Ernie in NH
_________________
AMA,, American Deaf Bikers
Airhead Beemers Club
'11 G650gs
'95 K1100LT
'76 R100/7

[Mike d]

Hi All,

As promised feedback on the non starting K1100RS..........

Well after a Friday night spent with friends at a Jethro Tull concert (took me back to my early 1970's - where has all the hair gone) followed by a decent Indian curry, this morning I took a hours drive to have a look at my friends K1100RS.

Checked the ECU memory, only code shown was 1133 (Hall trigger signal 1). This was the same as his other, working K1100.

Re-educated the ECU for TPS setting (as I know he hadn't done this after having the ECU plug out for cleaning/cchecking).

While it sounded like it should start, it didn't. He had changed the fuel filter, but the old one could be blown through easily, so wasn't blocked.

I put a pressure gauge on the injector rail, 2.1 - 2.2 bar (book suggests 2.5). Comparision check against his other (later) K1100RS, same reading so that seems o.k.

Swapped pertol tanks. Problem bike tank (old fuel) fitted to 'good' bike, good bike started first time no problem. 'Good' tank (new fuel yesterday) on problem bike, still didn't start, but again sounded as though it should.

Went for a cup of tea and a look at the diagrams on my laptop

Checked out the kill switch, all seemed to be o.k.

Thought I would change over some of the relays. It was during this activity, which in itself didn't highlight any problems, that the bike still sounded as though it wanted to start, and low and behold it spluttered into life

Let it run for a short while, and thereafter it started every time.

Swapped the fuel tanks back, everthing still o.k.

I rechecked the TPS, and am not convinced it is spot on, butdecide not to alter anything just yet.

We agreed to leave it like that, and see how the bike performed when totally cold again, then i may re-adjust the TPS.

So to all who provided suggestions - a big thank you

Ernie-NH, Thanks for your kind offer about the translations, I will check the diagrams as I think there is some commonality between them, and get back to you with a more specific request.

Regards

Mike

[Tim (Midland Section)]