General Category > Engine related issues
ECU not Visible - 2000 R1150GS
Jughead:
The hall sensor errors are normal if the motor was not turned over or running during the read process. You can ignore them. That does however not mean that they are not faulty. Is the hall sensor you installed a new unit? Or is it 2nd hand?
These units often work fine while cold but fail as they warm up.
You need to determine if it is a spark issue or a fueling issue. One of them is missing. Could very well be a fuel pump if the bike has been standing for a while. Can you hear the pump prime when you turn the ignition on? Fuel pump is the same as the BMW 318i.
Check for corrosion on the mini relays. Relays 7 & 8 are critical. 7 is the fuel pump relay, 8 is Motronic relay. You can exchange the mini relays with one another in the same row, provided they are all the same colour. Incidentally, there are black and yellow relays (and some blue) on the later bikes. The functions are exactly the same, but I think the yellow ones have a higher current rating than the black ones. If you need to replace them, replace with the yellow ones (Part number: 61 36 6 902 041)
Check fuses 5 & 6. 5 is Motronic/Diag connector, 6 is fuel pump.
WRT the sidestand. My recommendation would be to unplug it and bridge it out. As you have discovered, it cannot just be unplugged. Here's a pic of how to bridge it out. Just use a crocodile clip test lead the short out these 2 pins. Or (if you feel like cutting into the harness, which I wouldn't recommend) splice the wiring behind the connector. Yes, Wayne, it is exactly the same as the 650.
Hope this all helps!
Onions:
Thanks mate done those things even had an auto electrician mate have look. So tomorrow going to attack the side stand switch and bridge it out as suggested.
The hall sensor is a new unit.
These units often work fine while cold but fail as they warm up.
You need to determine if it is a spark issue or a fueling issue. I will recheck tomorrow.
Could very well be a fuel pump if the bike has been standing for a while. No used regularly and I have pulled out cleaned and a new filter installed.
Can you hear the pump prime when you turn the ignition on? Yes can hear it when key is turned in addition bench tested and it is working.
Check for corrosion on the relays. Checked 8 all ok will check 7 tomorrow but don't think it is a problem as pump works when ignition is switched on.
You can exchange the relays with one another in the same row, provided they are all the same colour. Might try that.
If you need to replace them, replace with the yellow ones (Part number: 61 36 6 902 041) - OK
Check fuses 5 & 6. 5 is Motronic/Diag connector, 6 is fuel pump. Checked.
Thanks Jughead.
Jughead:
[emoji106]
Jughead:
Pull the injectors and crank the motor. Have a look if they are actually spraying a fuel mist.
Onions:
OK.
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