Repair procedures: Inspection

Measure the output voltage between the terminal of the wheel speed sensor and the body ground.
CAUTION: In order to protect the wheel speed sensor, when measuring output voltage, a 100 Ω resister must be used as shown in Fig 1.

Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor & Body Ground
Courtesy of KIA MOTORS AMERICA, INC.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown in Fig 2.

Fig 2: Identifying Normal Change Of Output Voltage Of Wheel Speed Sensor
Courtesy of KIA MOTORS AMERICA, INC.

V_low : 0.59V ~ 0.84V

V_high : 1.18V ~ 1.68V

Frequency range : 1 ~ 2,500Hz