Technician A says that a blown air ABS ECU battery power fuse will prevent the service brakes from operating. Technician B says that a chuff test is performed to test wheel speed sensors. Who is correct?

Question

Quizplus · Accepted Answer

A blown air ABS ECU battery power fuse will not prevent the service brakes from operating, as they are separate systems. A chuff test is not used to test wheel speed sensors; it is typically used to check the operation of air brake chambers.

Technician a Says That a Blown Air ABS ECU Battery