RWAL/RABS systems are being discussed. Technician A says the system uses four-wheel speed sensors. Technician B says the system essentially controls wheel skid on the rear wheels. Who is correct?

Question

Quizplus · Accepted Answer

RWAL/RABS systems (Rear Wheel Antilock/ Rear Antilock Brake System) essentially control wheel skid on the rear wheels. While the system does use sensors, they do not necessarily need to be four-wheel speed sensors. Therefore, Technician B is correct, and Technician A is incorrect.

RWAL/RABS Systems Are Being Discussed