Normal operation
The ABS operates at speeds above 3 to 6 MPH (5 to 10 km/h).
When the ABS senses that one or more wheels are close to locking up, the actuator rapidly applies and releases hydraulic pressure. This action is similar to pumping the brakes very quickly. You may feel a pulsation in the brake pedal and hear a noise from under the hood or feel a vibration from the actuator when it is operating. This is normal and indicates that the ABS is operating properly. However, the pulsation may indicate that road conditions are hazardous and extra care is required while driving.
See also:
F.M.V.S.S./C.M.V.S.S. certification label
The Federal/Canadian Motor Vehicle Safety
Standards (F.M.V.S.S./C.M.V.S.S.) certification
label is affixed as shown. This label
contains valuable vehicle information, such
as: Gross Vehicle ...
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