Starting and driving
Normal operation
In this manual: Starting and driving
~1min read
The ABS operates at speeds above 3 - 10 km/h. The speed varies according to road conditions.
When the ABS senses that 1 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.
Test yourself
A quick Nissan Sentra quiz: every answer comes with an explanation and a link to the manual page.
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