General Category > Engine related issues

ECU not Visible - 2000 R1150GS

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WayneC:
No worries, I would like a $ for every time I forgot to check some basics on comms  :D

Onions:
Wayne.

I'm old biker - don't like these computers too hard to pin down problem. Next bike ol Kawasaki 900. Simple Mukinis, electronic ignition and a kick start.  I now have too Beemers K1200GT and the R1150GS love them but not when they don't go.

Anyhow. Checked Dia Plug - no earth except on 2 pins rest open circuit. Checked continuity of dia plug to Motronic all seem OK. Also check continuity to injects to Motronic also appear OK.

Have I forgotten anything???

WayneC:
On that model the diags socket should have the following pins connected

Pin 01 - Brown/Black - Diags pin to Motronic
Pin 02 - Brown/Blue - Diags to ABS (only if fitted)
Pin 04 - Brown - Earth
Pin 06 - Red/Yellow - Unswitched Power (also known as KL30 or Bat+)
Pin 09 - Blue - Rectifier
Pin 10 - Yellow/Gray - Switched Power (also known as KL15 or Ign On)

For basic comms checks, it is pins 1, 4, 6 and 10 which are relevant and the GS911 is suggesting no power on pin 10

Check for voltage between pin 4 and  pin 6 with ignition off to confirm that is in place
Check for voltage  between pin 4 and  pin 10 with ignition on to confirm that is in place
Plus check continuity of pin 1 back to the Motronic

Ah I am also old school but much prefer processor based systems, but I have worked with electronics and processors all my life  ;D

Onions:
Wayne

Looking at Diag pin r they numbered L-R or R-L?

Onions:
Looking at Diag pin r they numbered L-R or R-L

It's OK I'm having a blonde moment doh.

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