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 illustration.

Fig 1: Measuring Output Voltage Between Wheel Speed Sensor Terminal And Body Ground
Courtesy of HYUNDAI MOTOR AMERICA
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown in illustration below.

Fig 2: Wheel Speed Sensor Output Voltage Graph
Courtesy of HYUNDAI MOTOR AMERICA

V_low: 0.59V ~ 0.84V

V_high: 1.18V ~ 1.68V

Frequency range: 1 ~ 2, 000Hz