Anti-Lock Braking System Wheel Speed Sensor: Inspection

Connect an ohmmeter between the wheel speed sensor terminals and measure the resistance.
Service standard

Front, Rear: 1,385 +/- 110Ω

Fig 1: Measuring Wheel Speed Sensor Resistance
Courtesy of HYUNDAI MOTOR CO.
Connect a voltmeter between the wheel speed sensor terminals and measure the voltage by turning the wheel
NOTE: Set the voltmeter to measure AC voltage.
Service standard : AC voltage detected.

Fig 2: Measuring Wheel Speed Sensor Voltage
Courtesy of HYUNDAI MOTOR CO.