General Category > Engine related issues
ECU not Visible - 2000 R1150GS
schuppi:
" is it the ECU also?"
Hello,
by my experience, NO 8)
What's about the electrical wiring? Did you checked it? no display for electrical power on GS911?
What's about start elimination, switches for zero gear, side stand, engine kill, emergency off?
Fuel pump starts up by switching on ignition for a few seconds. When engine is running, hall sensor signal is fitting to ECU, pump
runs permanent.
Jughead:
Remove the front plastic cover from the motor.
Turn on the ignition.
Using a spanner (wrench) on the alternator pulley bolt, slowly rotate the motor one full revolution in the normal direction of rotation. Listen for the fuel pump to prime. It should run for about 2-3 seconds.
If it does not run, your Hall sensor is faulty. The sensor plate has 2 sensors. One triggers the coils to fire the spark plugs, the other triggers the fuel pump.
Jughead:
--- Quote from: Onions on August 06, 2015, 12:02:52 AM ---Wolfgang.
It doesn't see the ECU - that's what confuses me.
Any Ideas - is it the ECU also?????
--- End quote ---
Your diagnostic plug wiring may be dicky, preventing comms with the ECU. Check the wiring harness where it disappears below the battery bracket. You may find it is chaffed through and shorting to ground.
Onions:
Well fellows I am still lost.
Replaced the hall sensor (new) plugged in GS911. Still cannot see the ECU and suggests checking kill switch - so checked kill switch working fine.
Went to relay 8 Motronic Relay - works fine, check power at injector plug - nil. Power at relay yes.
So suspiciously looks like ECU has failed. Can these be tested out of the bike to ensure that it is faulty before I spend lots on a new one.
Checked plug wiring appears OK.
Onions:
From Wayne GS911
"OK, no worries, it is the old Motronic MA 2.4 on that model, not real familiar with the specifics on it but any of the GS911's should have no trouble seeing the module. Which GS911 model are you using ?
I would suggest using model/series menu then a basic module scan to see if it picks up any comms from the Motronic. After that I would look at the power to the actual Motronic at the socket to confirm it has power rather than at the injector. I would also check continuity of the wiring our to the diags socket before I considered replacement of the Motronic although I recall they are relatively low cost on EBay"
I have enth WiFi (Red One). Tried the basic scan still can't see it. I'll check Power at Motronic and Connector continuity and come back.
Thanks.
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