Inductive ABS Sensor Measurement - TiePie Automotive

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Correct functioning of the inductive ABS sensor can be checked by measuring the following signal voltages, see figure 2:

Channel Probe Voltage Range
1 Red probe Signal at the positive side of the sensor 2 V 1
Black probe Signal at the negative side of the sensor
Measuring diagram
Figure 2: Measuring diagram
Measuring a working inductive ABS sensor
Figure 3: Measuring a working inductive ABS sensor

The lab scope is connected to the inductive ABS sensor via a Measure lead TP-C1812B and Back Probe TP-BP85. The lab scope is set to normal scope mode with the trigger-timeout at infinite. When a one-shot measurement is started with these settings, the measurement is performed when the wheel is turned (by hand).

  1. When the wheel is turned by hand, the signal voltage is lower than that of a driven car. When the sensor is measured on a driving car, the range should set to 8 V with the range button Range up/down.

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