Measure the output voltage between the teminal of the wheel speed sensor and the body ground.
Must use the resistance(100Ω), as shown below, in order to protect the active wheel speed sensor, before measuring the output voltage.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.
V : 590mV ~ 840mV
V : 1.18V ~ 1.68V
Frequency range : 1~2,000Hz