An ABS sensor, also known as a wheel speed sensor, is a crucial component of an anti-lock braking system (ABS). It monitors the speed of each wheel and sends this information to the vehicle's electronic control unit (ECU). This data helps the ABS system prevent wheel lock-up during braking, improving safety and control, especially in challenging conditions. If the sensor malfunctions, it can trigger the ABS warning light and potentially compromise the effectiveness of the ABS. | Harold Reyes Cai

ABS sensor testing – Oscilloscope versus a multimter. Testing ABS sensors can be done with an oscilloscope or a multimeter, but the scope will show you a lot more, like the mechanical integrity of the tone wheel. To find out more or join TaT visit www.tat.net.au/social.html | The Automotive Technician