Measure the output voltage between the terminal of the wheel speed sensor and the body ground.
In order to protect the wheel speed sensor, when measuring output voltage, a 75Ω resistor must be used as shown.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.
V_low : 0.44 V ~ 0.63 V
V_high : 0.885 V ~ 1.26 V
Frequency range : 1~2,500 Hz