Alarm no Start Issue - BMW Luxury Touring Community
 
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post #1 of 28 Old Feb 25th, 2013, 4:08 pm Thread Starter
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Alarm no Start Issue

2005 K1200LT came in running with a short that blew fuse for brake lights/horn/alarm
etc,diagnoses the alarm was shorting through he 3 wire connector to the alarm(red/ white). Upon realizing this I then removed
the alarm system no more short and the now bike does not start,found some reading about jumping the 4 wires on the 12 pin terminal
and such upon much dismay no start still,I jumped a switched power lead to the two yellow /black wires it pushed the start button and it turns the
starter.No power at all to the fuel pump relay in all this.
[jtaffuri] 5:01 pm: Returned to the bike the bad alarm system and disconnected the battery. No start still,removed alarm
again installed a used unit with the same p/n # and this is where I am now still no start..Any help with this would be
awesome,seems starter not getting power.
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post #2 of 28 Old Feb 25th, 2013, 6:30 pm
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Re: Alarm no Start Issue

You are close - try this.


To get the bike running again you need to jumper the following pins on the 12 pin connector. Pin 3 (black/white/yellow) to pin 11 (black/yellow); this is the starter button signal to the starter relay. Then jumper pin 10 (green/violet, switched power) to pin 6 (blue/violet, engine electronics relay). Now the bike will start and run normally.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #3 of 28 Old Feb 26th, 2013, 11:05 am Thread Starter
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Re: Alarm no Start Issue

I have done this already there is no start after the wire jumping.
Green & Violet wire pin 10 was not powering on. Any way of checking certain points for why this is not working
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post #4 of 28 Old Feb 26th, 2013, 11:07 am Thread Starter
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Re: Alarm no Start Issue

Are you a BMW Tech as well?
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post #5 of 28 Old Feb 26th, 2013, 11:16 am
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Re: Alarm no Start Issue

Quote:
Originally Posted by jtaffuri
Are you a BMW Tech as well?
are you??

Antony (Tripod)
Dallas' Northern Suburbs
-----------------------------------------------

If you want to be happy for a day, drink.
If you want to be happy for a year, marry.
If you want to be happy for a lifetime, ride a motorcycle.

-----------------------------------------------


'05 K1200LT - Dark Graphite - RIP 04 OCT 2015
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post #6 of 28 Old Feb 26th, 2013, 11:23 am Thread Starter
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Re: Alarm no Start Issue

yes an indie tech,indie owned shop
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post #7 of 28 Old Feb 26th, 2013, 6:52 pm
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Re: Alarm no Start Issue

Hey not all BMW tech know a great detail on the LT - that is how this site got started.

Not a Tech for a living but I do know the old girl inside and out - just look at a few of my posts.

The Green Violet is fed from the emergency cutoff relay and that is triggered by the kill switch. The relay is fed by unswitched power and controlled by the kill switch. So either the kill switch is set or the relay is bad. You can check if there are other issues by using a lead to apply 12v to pin 6. If the bike starts then you can trouble shoot the EME relay.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #8 of 28 Old Mar 1st, 2013, 11:27 am Thread Starter
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Re: Alarm no Start Issue

Got the bike to start and run now, no signals/flashers after partially reassembling, ahhhhhh.
How I did it.:Jumped the kill switch,then ground wire to brn/gry on elect relay, plus jumped 11& 3,10 & 6.
??
J
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post #9 of 28 Old Mar 1st, 2013, 12:28 pm
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Re: Alarm no Start Issue

Quote:
Originally Posted by jzeiler
Not a Tech for a living but I do know the old girl inside and out - just look at a few of my posts.
I nominate this as understatement of the Month!

Antony (Tripod)
Dallas' Northern Suburbs
-----------------------------------------------

If you want to be happy for a day, drink.
If you want to be happy for a year, marry.
If you want to be happy for a lifetime, ride a motorcycle.

-----------------------------------------------


'05 K1200LT - Dark Graphite - RIP 04 OCT 2015
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'99 Road King Classic - Custom Blue/Silver & Chrome - "My Baby" Gone but forever in my heart!

and many, many others.
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post #10 of 28 Old Mar 1st, 2013, 5:21 pm
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Re: Alarm no Start Issue

Quote:
Originally Posted by deputy5211
I nominate this as understatement of the Month!
I second that, if that's possible from the southern hemisphere.

Dennis
1987 Yamaha TY250R
1991 Aprilia Climber 280
1988 K100RT (the pack horse)
2005 K1200LTE Light yellow metallic
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post #11 of 28 Old Mar 1st, 2013, 6:31 pm
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Re: Alarm no Start Issue

Quote:
Originally Posted by jtaffuri
Got the bike to start and run now, no signals/flashers after partially reassembling, ahhhhhh.
How I did it.:Jumped the kill switch,then ground wire to brn/gry on elect relay, plus jumped 11& 3,10 & 6.
??
J
I can't find a Brown/Gray wire on any of the relay diagrams. Engine Electronics relay has a Green/Black (feeds the ECU), a Brown/Green from the Reverser controller, a Blue/Violet from the alarm pin 6, and the Red/Green from fuse F2.

I am not sure just which relay you are refering to.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #12 of 28 Old Mar 2nd, 2013, 1:24 pm Thread Starter
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Re: Alarm no Start Issue

The relay behind the fuel pump relay has a Brn/grey wire looks like go'sto the reverser motor ñow the fuel pump relay turns on then off as its sposed to upon key on.
Think I need a new flasher now? No signals or flashers
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post #13 of 28 Old Mar 2nd, 2013, 6:54 pm
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Re: Alarm no Start Issue

OK I see it now. Fuel pump is #4 and #7 is the engine electrics relay. The Brown/Grey from #7 does come from the engine electrics relay coil and goes to the reverser controller and it should be providing a ground to the relay.

I would get the kill switch/eme relay working correctly and try and find out why you have to ground that wire from the relay first before thowing a new flasher in there as so many things are tied together or run throgh other units in this beast. You can chase your tail easily.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #14 of 28 Old Mar 3rd, 2013, 8:19 am
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Re: Alarm no Start Issue

Interesting thread about alarms on LT. When I was restoring my LT, I used the knowledge of everyone on this group. The LT was very intimidating, especially to someone looking for a positive outcome and never had a bike like this wonderful machine. After replacing the 25.00 output seal and many other worn parts, came to the alarm and start relay. Looking at the alarm and how it could immobilize the bike during an intentional event or failure, decided to remove all associated components. Replaced the old relay with newer upgrade too. I'm sure some would disagree with this decision and I wouldn't recommend it either way, but for me, another component that will never be a concern. Not too worried about someone stealing it either. She rolled over 100K on the Dragon last August and still going strong. What a machine!!
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post #15 of 28 Old Mar 12th, 2013, 10:25 pm Thread Starter
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Re: Alarm no Start Issue

Finally got this bike done,flasher green wire had no keyed power,the 12 pin connector has a green wire that's the flasher wire, the 3 wire conector that powers the alarm has a green keyed powered wire .hooked these greens together and solved the flasher problem.
No more alarm system, somewhat happy customer. Thanks for some light on this subject.
Joe
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post #16 of 28 Old Mar 13th, 2013, 11:36 am
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Re: Alarm no Start Issue

I see that now on the diagram about the switched power coming from the alarm for the flasher. Did some checking and this only applies to the 05 and up. The earlier bikes have switched power provided to the flasher from some where else instead of the alarm. Thanks for the info.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #17 of 28 Old May 2nd, 2013, 6:19 am
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Re: Alarm no Start Issue

just purchased an 05 with same exact problem, havent gotten manual yet, could you tell me where alarm is located, and dont much need it (bike only came with one ignition key)..best approach to bypass?
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post #18 of 28 Old May 2nd, 2013, 12:58 pm
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Re: Alarm no Start Issue

Look at post #2 above and the alarm is under a panel below the top case. Remove top case liner, remove four bolts. Unhook cables (under pillion seat) and remove the panel under it.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #19 of 28 Old May 2nd, 2013, 9:15 pm
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Re: Alarm no Start Issue

thanks...wil get to it....need to get bike inspected!
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post #20 of 28 Old May 3rd, 2013, 12:17 pm
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Re: Alarm no Start Issue

This discussion is timely, since I, too, am experiencing alarm problems, but do not wish to start another "alarm problem" thread. My '01 LTC (10-2000 build) with 106XXX miles has been on the maintenance stand this winter for some deer-damage work and a just slightly premature 12K service.

When I re-attached the batt cables, the alarm did its thing, but it did not respond to either the FOB (with fresh CR2032 and attempted sync) or the led device. It's a 12 yo machine with lots of miles--the alarm is no longer important to me. I researched the disarming threads, opened up the backend, located the twelve-pin connector and prepared to jump the appropriate pins only to discover that all wires--save two--are colored solid black.

With reference to the attached photo--and since the pins are not numbered--I assumed that the lower left pin in the white connector body is #1 and that the upper right pin in the black body is #11 (there is no twelfth pin). I jumped 3-to-11 and 6-to-10, turned the key to "on;" the bike performed an uncommanded start and ran normally. I was pleased to have outwitted the alarm, but the uncommanded start function is problematic.

Can anyone (jzeiler, perhaps) identify by number the pins in the photograph, or otherwise explain why the bike (mis)behaved as it did?
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post #21 of 28 Old May 3rd, 2013, 7:37 pm
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Re: Alarm no Start Issue

The info for the early bikes is not as good since all the wires are black. Even the BMW diagrams don't actually show the alarm. As best as I can tell from the early diagrams the alarm did not disable the starting function (but your jumper obviously counters that thought) but would honk the horns. Still looking.

As far as re-syncing after a long off battery condition, I had to command set and unset on my FOB at least 15 times or more to get it to re-sync after my clutch job.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #22 of 28 Old May 4th, 2013, 8:06 am
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Re: Alarm no Start Issue

Thanks for researching this, John.

The wire color to the lower left pin is white/brown, and the wire color to the next pin in from the lower left is red/green.

Bob Hester
'01 LTC (Black)
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post #23 of 28 Old May 4th, 2013, 1:08 pm
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Re: Alarm no Start Issue

I would try removing one of the jumpers at a time to trace down the uncommanded start and tell me the wire colors from the jump(I know you said they were all black but maybe you can follow them back to where they go). As it is now the only connector my diagrams show for the alarm have a Blue/Red, Blue/Black, Red/White, Green/Gray and a Brown.

Most of the 99-2000 had a prep for an alarm but the dealer had to install it. that is the documentation I am missing to better help you with.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #24 of 28 Old May 4th, 2013, 8:39 pm
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Re: Alarm no Start Issue

I'll devote some time each evening of the coming week to this project and will let you know my progress--thanks again.

Bob Hester
'01 LTC (Black)
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post #25 of 28 Old May 5th, 2013, 9:19 am
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Re: Alarm no Start Issue

OK I looked again at my data stack and I do have the instructions for the installation of the alarm. But most of it is in German. None the less pages 9 and 23 should help you "remove" the alarm harness where it has tapped into the bikes harness.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #26 of 28 Old May 5th, 2013, 6:10 pm
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Re: Alarm no Start Issue

My 05 with dead short on fuse for alarm, brake & horn circuit.
checked rear light and removed jack still had short...... then
pulled 12 pin for alarm and still had short... guess I should check the 3 pin to alarm , but would assume 12 pin completely feeds 3 pin to alarm also but will check it out.
wondering if anyone had problem with horn short, or micro sw on brake pedal? Just got bike and gotta get fixed for inspection.
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post #27 of 28 Old May 5th, 2013, 9:01 pm
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Re: Alarm no Start Issue

Thanks for the .pdf link, John. Also found this thread specific to my model year (http://www.bmwlt.com/forums/showthread.php?t=34421) while further researching the problem. Jumped 3-to-4 and 5-to-6 and problem solved.

The knowledge and wisdom this forum provides has proven indispensable, since I opted to take on my LT's maintenance after the $hock of the initial 12k service at the dealership back in '02.

Bob Hester
'01 LTC (Black)
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post #28 of 28 Old May 5th, 2013, 9:54 pm
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Re: Alarm no Start Issue

Quote:
Originally Posted by eastender
My 05 with dead short on fuse for alarm, brake & horn circuit.
checked rear light and removed jack still had short...... then
pulled 12 pin for alarm and still had short... guess I should check the 3 pin to alarm , but would assume 12 pin completely feeds 3 pin to alarm also but will check it out.
wondering if anyone had problem with horn short, or micro sw on brake pedal? Just got bike and gotta get fixed for inspection.
The three pin connector feeds both the switched and unswitched power to the alarm. That comes right from fuse F12 on a Red/White wire.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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