The ABS reluctor ring is utilized by the wheel speed sensor to calculate the wheel's speed.
ABS reluctor ring functionThe ABS reluctor ring is used to produce the signal back to the ABS control module. The ABS ring can typically be found near the driveshafts or the wheels hubs. The reluctor ring is the central part of the system, it keeps track of the speed of the wheels and sends vital data to alert the system electronically. The ring can detect the difference from the other wheels' speed and transmit a signal to the controller.
Common issues with a faulty ABS reluctor ringA faulty ABS reluctor ring can lead to the ABS light illuminating, unexpected braking or the ABS may not work.