While having a discussion, Technician A says that having a sensor at each wheel means that the ABS is four channel. Technician B says that having a sensor at each wheel does not necessarily mean that the ABS is four channel. Some three-channel systems have four-channel braking. Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct. While having a sensor at each wheel is necessary for a four channel ABS, some three channel systems, such as those with a separate brake line for the rear wheels, can have four channel braking despite only having three sensors.

While Having a Discussion, Technician a Says That Having a Sensor