An abs sensor, can get metal shavings stuck to it, can brake clean, but normally if you have a fault it needs to be replaced.
If you have access to the sensor you can spray brake cleaner on it to clear the debris.
carb cleaner or brake parts cleaner
the sensor is not always bad to cause the light to come on. Most of the time the abs sensor gets alot of brake dust, mud, rust, and other forms dirt on them you just need to clean the sensor with a blow gun or brake clean the sensor is usually located by the tire
There are special cleaners made for cleaning sensors, but for an ABS sensor, I would recommend just replacing it, to make sure that sensor doesnt give you more trouble.
To test an abs sensor for a Lexus ES you will need to use a multimeter. The multimeter will determine if the abs sensor works or not.
For the abs warning light your most likely looking at a faulty abs sensor. Buy a cheap volt meter that measures resistance. Now unplug each abs sensor in turn and record the resistance of each one. One will be nothing or massively different to the others. To remove the sensor undo the bolt and use brute force to twist and extract it. Clean the hole out and fit the new sensor. The light won't go out immediately, you have to drive a short distance to allow the sensor to send a voltage back to the abs computer.
Yes all 4 side has abs sensor but you got to go to a mechanic shop to diagnose and which abs sensor is not working
how do you check the abs sensor on a 1998 contour
Where can i find the right wheel abs sensor
You may have damaged an ABS sensor or ABS sensor wiring. Go back and check each wheel.
Find the ABS wheel sensor. Loosen the bolts that attach it to the suspension. Remove the bolts that hold the sensor to the wiring. Remove all other bolts. Remove the ABS sensor.
your abs sensor if you are lucky may be dirty, if it is give it a clean and put it back on, if it does not work after that you will need a new one...about £80 worth as i have had one as it will not pass mot with the light on!