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Showing 17–24 of 67 results

Performing a relative compression test

The relative compression test in Multi Channel oscilloscope software is briefly explained, with instructions on how to perform a relative compression test with just a lab scope and current clamp.

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Measurement example / Unsorted
Featured automotive

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

Acceleration pedal sensor

With a lab scope an acceleration pedal position sensor is measured with the key turned on and no running engine. The signal from the sensor is shown and can be downloaded. To help determining whether an acceleration pedal position sensor is functioning correctly, different possible deviations from the example signal are mentioned along with probable causes.

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Measurement example / Sensor

Mass Air Flow (MAF) vane sensor

With a lab scope an air flow sensor is measured under the following conditions: key on, cranking, idle, 2000 RPM, 3000 RPM and back to idle with an engine at operating temperature. The signal from the sensor is shown and can be downloaded. To help determining whether an air flow sensor is functioning correctly, different deviations from the example signal are mentioned along with possible causes.

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Measurement example / Sensor
MAF

Mass Air Flow (MAF) hot wire sensor

With a lab scope a Mass Air Flow (MAF) sensor is measured under the following conditions: key on, cranking, idle, 2000 RPM, 3000 RPM and back to idle with an engine at operating temperature. The signal from the sensor is shown and can be downloaded. To help determining whether a MAF sensor is functioning correctly, different possible deviations from the example signal are mentioned along with probable causes.

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Measurement example / Sensor
MAF

Mass Air Flow (MAF) hot wire sensor with frequency output

With a lab scope a hot wire mass air flow (MAF) sensor with frequency output is measured under the following conditions: key on, cranking, idle, 2000 RPM, 3000 RPM and back to idle with an engine at operating temperature. The signal from the sensor is shown and can be downloaded. To help determining whether the hot wire mass air flow (MAF) sensor with frequency output is functioning correctly, different deviations from the example signal are mentioned along with possible causes.

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Measurement example / Sensor
MAF

Camshaft sensor Hall

With a lab scope a Hall effect camshaft sensor is measured during cranking of an engine. The signal from the sensor is shown and can be downloaded. To help determining whether a Hall effect camshaft sensor is functioning correctly, different possible deviations from the example signal are mentioned along with probable causes.

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Measurement example / Sensor
Camshaft