Brakes error on servo assisted integrated ABSn after flush and other checks.. - - Excellence in Motion
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post #1 of 1 (permalink) Old Aug 16th, 2018, 10:06 am Thread Starter
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Brakes error on servo assisted integrated ABSn after flush and other checks..

I would like to ask for advice here to those more knowledgeable.
I did recently start seeing Brake problems on integrated servo assisted ABS brakes.

Errors started showing time from time, then more frequently, and now always.

1. pull away test passes... and I get no errors until I hit the brake
2. when stationary... I test brakes I hear servo whining on both brakes
3. once I get going and apply any brake I get errors (4 flashes per sec. on brake ; 1 on general warning)
It used to be that only rear brake would cause this error state, but now with time also applying front will cause errors.

*When those errors come up, I still have servo assist on front brake BUT no assist on rear brake. REAR brake lever has not stopping power and no assist.

- brake lines
- bled all circuits to Control cirtuits and wheel circuits and all those F1, F2, F3, R1, R2, R3 on ABS Unit.
- check ABS sensors and wiring..

I think the issues started showing when my front Brake pads were low, so I replaced them and after that issue was progressively getting worse...
I am still having plenty stopping power from front assisted brakes, but DO NOT know what the problem is ... if rear assist, or ABS issue.

Advise much appreciated. !!
moto44 is offline  
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