BMW K bikes (Bricks)

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1Back to top Go down   ECU grounding Empty ECU grounding on Tue Jan 12, 2016 2:06 pm

diveshadow

diveshadow
active member
active member
Does the ECU get its grounding through the main wiring connection or through the mounting of the ECU?

    

2Back to top Go down   ECU grounding Empty Re: ECU grounding on Tue Jan 12, 2016 3:18 pm

Inge K.

Inge K.
VIP
VIP
The ECU is rubber mounted. It's 3 x 1,5mm2 ground wires between the battery and the ECU connector, and a 0,75mm wire between the ECU housing (RMF shield) and the battery.


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Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

3Back to top Go down   ECU grounding Empty Re: ECU grounding on Tue Jan 12, 2016 3:37 pm

Holister

Holister
Life time member
Life time member
Pin #13 on the FICU (ecu) plug. Take a look at the info on the trouble shooting link off the Portal tab


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1989 K100RT     VIN No.  0097367 (naked)  
1996 K1100RS   VIN No.  0451808
  ECU grounding Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

4Back to top Go down   ECU grounding Empty Re: ECU grounding on Tue Jan 12, 2016 4:16 pm

Inge K.

Inge K.
VIP
VIP
Kaptain Holister wrote:Pin #13 on the FICU (ecu) plug.
You have to add pin #21 and 26 too,....the starter of this thread own a model with Motronic MA 2.2.
(but you have to read his other threads to know)


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.
    

5Back to top Go down   ECU grounding Empty Test voltage Thursday on Tue Jan 12, 2016 10:10 pm

diveshadow

diveshadow
active member
active member
Thanks for the info on the ecu and the suggestion of checking the voltage. I will check this out on Thursday and get back with the results.
I would like to bring everyone up to date as to why I have these questions to start with. I have inherited this bike and it was missing the ECU when I got it. I found a used one on line and when I tried to start the bike found out that I'm not getting power to the fuel pump. The battery support bracket is missing also, so I'm not sure as to how the ECU was mounted on the bike. This is my first BMW, Ive worked on older Yamahas and Suzukies they are a lot simpler. But I'm up for the challenge and look forward to getting my K1100LT on the road.Surprised--o:

    

6Back to top Go down   ECU grounding Empty Re: ECU grounding on Wed Jan 13, 2016 5:10 am

Holister

Holister
Life time member
Life time member
@Inge K. wrote:
Kaptain Holister wrote:Pin #13 on the FICU (ecu) plug.
You have to add pin #21 and 26 too,....the starter of this thread own a model with Motronic MA 2.2.
(but you have to read his other threads to know)
Thanks Inge. An easy trap to fall into on this site. 

Diveshadow, you might want to take a look at www.realoem.com for parts diagrams. Just enter the last 7 digits of your VIN to find all the parts information for your model.


__________________________________________________

1989 K100RT     VIN No.  0097367 (naked)  
1996 K1100RS   VIN No.  0451808
  ECU grounding Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

7Back to top Go down   ECU grounding Empty Re: ECU grounding on Wed Jan 13, 2016 5:58 am

RicK G

RicK G
VIP
VIP
When you are dealing with the K1100LT and looking to buy parts online there was quite a marked change right there where you are playing ECU Battery location and ABS all changed with the introduction of the new 1994 model at the end of 1993. Your 1996 is for most things the same as 1994 models.

One good suggestion is to put the model and VIN of your bike in the signature line so that you don't have to tell everybody with each post Unless if like me you own 1/2 a dozen of the things


__________________________________________________
"Man sacrifices his health in order to make money.
Then he sacrifices money to recuperate his health.
And then he is so anxious about the future that he does not enjoy the present; the result being that he does not live in the present or the future; he lives as if he is never going to die, and then dies having never really lived."   Dalai Lama


Bikes 1998 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki
    

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