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Home >> Hyundai >> 2015 >> Elantra Coupe GL, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Rear Wheel Speed Sensor >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

  1. 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 100Ω resister must be used as shown.
    Fig 1: Measuring Output Voltage Between Wheel Speed Sensor Terminal And Body Ground
    G10548653Courtesy of HYUNDAI MOTOR AMERICA
  2. Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as displayed below.
    Fig 2: Wheel Speed Sensor Output Voltage Waveform
    G10548654Courtesy of HYUNDAI MOTOR AMERICA

    V_Low:  0.59V ~ 0.84V

    V_High:  1.18V ~ 1.68V

    Frequency Range:  1 ~ 2, 500Hz

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