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Home >> Hyundai >> 2016 >> Elantra Sport, Automatic Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Front Wheel Speed Sensor >> Repair Procedures >> Inspection

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 100 Ω resister must be used as shown in Fig 1.
    Fig 1: Measuring Output Voltage Between Wheel Speed Sensor Terminal And Body Ground
    G10534092Courtesy 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 shown in Fig 2.
    Fig 2: Wheel Speed Sensor Output Voltage Waveform
    G10534093Courtesy 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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