Learn how to diagnose active wheel speed sensors, avoid ABS misdiagnosis, and prevent costly comebacks in your shop.

When a dashboard light illuminates, it's sometimes a signal to pull over to the side of the road and stop. Do you need to do ...

Sensors mounted at each wheel that monitor the speed at which the wheels are turning. If one is turning slower than the others during braking, that indicates it is locking up, which could cause ...

SAE Transactions, Vol. 99, Section 6: JOURNAL OF PASSENGER CARS (1990), pp. 280-290 (11 pages) The proliferation of electronic controls in automobiles has spurred developments in RPM and rotational ...