First Time- ABS Light Flashing

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bill lumberg
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First Time- ABS Light Flashing

Post by bill lumberg » Fri May 17, 2019 8:05 pm

Today, I was around 30 minutes into my hour commute home, and I looked down to find my ABS light flashing. Immediately recognizing the potential comedy factor associated with a brake issue in stop and go traffic, I checked the pedal and lever to ensure they were free, and then tested both front and rear brakes to ensure proper function. Both functioned normally. The ABS light continued flashing for around a minute, went out, and never came back on. Any thoughts on why it flashed in the first place?
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Re: First Time- ABS Light Flashing

Post by wheatonFJR » Fri May 17, 2019 8:35 pm

bill lumberg wrote:
Fri May 17, 2019 8:05 pm
Today, I was around 30 minutes into my hour commute home, and I looked down to find my ABS light flashing. Immediately recognizing the potential comedy factor associated with a brake issue in stop and go traffic, I checked the pedal and lever to ensure they were free, and then tested both front and rear brakes to ensure proper function. Both functioned normally. The ABS light continued flashing for around a minute, went out, and never came back on. Any thoughts on why it flashed in the first place?
Change a tire recently?
Laying around the house...amazed that a '13 just rolled up to my door.

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Re: First Time- ABS Light Flashing

Post by Redfish » Fri May 17, 2019 9:30 pm

We had this issue with Pop's '14. We are pretty sure it was the rear brake pedal either hanging up slightly or else him unknowingly putting a little bit of pressure on it.
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Re: First Time- ABS Light Flashing

Post by raYzerman » Fri May 17, 2019 10:42 pm

Most likely brake switch issue... pedal or lever.. if pedal ok, spray some contact cleaner on the lever switch.... the only other potential is aluminum corrosion (from the aluminum adapter housings) getting on the wheel sensors and bridging... remove sensor, clean, silicone grease, reinstall.
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Re: First Time- ABS Light Flashing

Post by bill lumberg » Sat May 18, 2019 4:17 am

No recent changes. No emergency braking. Pedal pivot and switch lubed recently. May be some debris. I’m going to clean and lube again and keep an eye on it.
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Re: First Time- ABS Light Flashing

Post by ZX 11 » Sat May 18, 2019 9:18 am

Did you hook it up to an OBD2 scanner to see if you have a code in history?

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Re: First Time- ABS Light Flashing

Post by silverback » Sat May 18, 2019 10:01 am

Mine will flash if the back wheel turns wile the front doesn't. I.E. putting the bike on the center stand while in neutral with the engine idling to check for post oil change leaks. As soon as you ride it for a bit, the light goes away.

Maybe you slipped a wheel a bit. Did your TCS flash (if you have one?)

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Re: First Time- ABS Light Flashing

Post by bill lumberg » Sat May 18, 2019 2:28 pm

Watched it do it on and off all day. Normal braking. No pedal sticking or riding of the pedal. Cruise works normally, so it’s unlikely to be a switch. Going to see if I can see anything wrong with the wheel sensors or anything around the pedal/switch. I suppose unscrewing the sensors, wiping them off, and reinstalling them isn’t going to cause further problems. Unusual hassle for a bike with less than 16K.

While entirely possible, I’m not sure it’s a debris issue. May be a warranty problem. We will see. Didn’t keep me from thrashing it today.
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Re: First Time- ABS Light Flashing

Post by bill lumberg » Sun May 19, 2019 6:25 am

Is there any trick to removing and reinstalling the sensors at the wheel? Clean them with a dry cloth?
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Re: First Time- ABS Light Flashing

Post by raYzerman » Sun May 19, 2019 7:43 am

Dry cloth ok, toothbrush if you see white corrosion, same with the hole it goes into.. lightly coat hole and sensor plastic sleeve, reinstall.
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Re: First Time- ABS Light Flashing

Post by bill lumberg » Sun May 19, 2019 9:21 am

Sensors were pristine. Spotless. Mating surface of assembly needed cleaning and a little grease before reinstall. Don’t think this will do it, but only a ride will tell.
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Re: First Time- ABS Light Flashing

Post by wheatonFJR » Sun May 19, 2019 3:23 pm

bill lumberg wrote:
Sun May 19, 2019 9:21 am
Sensors were pristine. Spotless. Mating surface of assembly needed cleaning and a little grease before reinstall. Don’t think this will do it, but only a ride will tell.
??Yeah, that's puzzling. I would have suspected sticky pedal, but you have already knocked that out??
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Re: First Time- ABS Light Flashing

Post by bill lumberg » Sun May 19, 2019 6:53 pm

Not a lever thing. Tested. Probably an electrical thing or a problem with the wheel part.
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