Articles ABS

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ABS sensor inductive

With a lab scope an inductive ABS sensor is measured on a wheel that is turned by hand. The signal from the sensor is shown and can be downloaded. To help determining whether an inductive ABS sensor is functioning correctly, different possible deviations from the example signal are mentioned along with possible causes.

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Measurement example / Sensor
ABS

ABS sensor Hall

With a lab scope a 2 wire Hall effect ABS sensor signal voltage is measured with the wheel turned by hand. The signal from the sensor is shown and can be downloaded. To help determining whether the 2 wire Hall effect ABS sensor is functioning correctly, different deviations from the example signal are mentioned along with possible causes.

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Measurement example / Sensor
ABS

KIA Carnival Anti-lock Brake System Problem

The ABS warning light of a Kia Carnival would always light up when the speed exceeds 130 km per hour. The ABS wheel sensor was replaced twice, without solving the problem. Only by measuring with an automotive oscilloscope it became clear that a mechanical problem was causing the light to go on.

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Case studies
ABS