General Category > ABS related issues

No response from controller r1200cl 2004

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mayojuaf:
Thanks chuppi, you are the best!

WayneC:
Connecting an extra battery is not a wise. There are low cost hand held DSO's available which would be able to look at wheel sensors and crank sensors
http://www.jyetech.com/Products/LcdScope/e112A.php

mayojuaf:
so if I get that DSO, I connect each cable of  the DSO coral to each prong of  the end side of the sensor cable and then put the sensor close to the ring of the wheel and make it spin? what should I expect to see in the DSO?
I can test the sensor in my extra wheel set up?

then I can take the rear speed sensor from the bike (that is easy) and repeat test.
an so with the front brake sensor (a little more work to get that one out...)

WayneC:
You would need to test the sensor on the bike with the sensor connected normally and the Coral 112a probe connected to the sensor and earth

The circuitry internal to the ECU is 5v supply to a resistor network with the sensor a small part of it, spinning the wheel changes the voltage across the sensor by a small amount only

mayojuaf:
Wayne, thanks for your help (again)

The comment  on using the extra wheel is because my bike has only my side stand so can not get the wheels to turn..
That is why I set up the extra wheel and was trying to test the sensors there.

But you mention the sensor needs to connected to the bike? i mean to the IABS module? can not test on the extra wheel?

I also lost you a little when you say the coral connected to one of the pins? do you know which one (pin 1 or Pin 2)
and then the other pin to earth? or is that to the other pin of the sensor or just anything touching earth?

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