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Old 06-30-2019, 09:27 AM   #1
owl_dyson
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2002 SC2
Default ABS wheel senosr bypass.

So my ABS light has been on since i bought the car. I figured out it was because the front right wheel was missing the sensor. it look like someone had tried to replace it, but the head snapped off and the thread is stuck inside. i tried to remove it but there is no way it will come out. So i just decided to put a piece of wire in the connector. it did work, the light went away and trac is working now. i havent driven the car yet, so i don't know if it might cause any problems. has anyone done this before or could thing of any problems this might make? thanks!

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Old 06-30-2019, 10:27 AM   #2
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2001 SC2
Default Re: ABS wheel senosr bypass.

Works perfect until you hit 5mph when the system self-tests and the light will be back on.

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Old 06-30-2019, 11:01 AM   #3
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2003 L-Series 3.0L Sedan
Default Re: ABS wheel senosr bypass.

Abs and traction control are automatically disabled when self tests fail. Two self tests are performed. A static test when ignition is turned on (all indicators are cycled on as every electronic module performs their own power on self test then turn off indicators as each module passes self tests. The abs indicator cycles on and if initial self tests pass, turns off its abs light. A second abs test is performed when the car moves. As mentioned, at approximately 5 mph, all abs wheel speed sensors send signals to the abs unit. The abs unit also cycles the motor - you'll hear a zinging sound like a spring unwinding. If wheel speed sensors and abs motor are operational, the abs light remains off otherwise it turns on to indicate an abs/tc problem. When the abs light turns on, abs and traction control are disabled from interfering with braking. Regular braking is never compromised. Without abs you'll have braking as always but locking up brakes can appear when brakes are applied on uneven surfaces during emergency stops.

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Old 06-30-2019, 04:44 PM   #4
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Default Re: ABS wheel sensor bypass.

yes i went for a short drive and the light quickly came back on. i think i will just take the bulb out of the cluster so i don't see the annoying light all the time.

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Old 06-30-2019, 05:11 PM   #5
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Default Re: ABS wheel senosr bypass.

Update your profile to reflect what you're driving so no one has to play twenty questions with you. If this is just a broken sensor, take a snapshot, resize the image for acceptance as a thumbnail image (aloud around a megabyte and jpeg format) and post it. Maybe someone will have a solution to get your abs back to operating condition.

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Old 06-30-2019, 06:30 PM   #6
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Default Re: ABS wheel senosr bypass.

When my sensor ring departed, I pulled the ABS fuse. I think that makes the light stay off.

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Old 06-30-2019, 11:15 PM   #7
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Default Re: ABS wheel senosr bypass.

i pulled the 50amp fuse but it the light stayed on, as well as the servise and brake light. i am going to install white faced gauges so i'll just take out the light then.

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Old 07-01-2019, 03:54 PM   #8
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Default Re: ABS wheel senosr bypass.

I can't remember off the top of my head if the knuckle has to come off or not to change these out (probably not), but I've drilled out the remains of the old sensor and installed a replacement. If it is the bolt that has snapped off due to rust, a replacement knuckle from the JY with the ABS sensor could be used.

When I searched for a new ABS sensor around 2013 prices varied widely.

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