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Home >> Hyundai >> 2011 >> Elantra GLS, Automatic >> 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.
    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G07264653Courtesy of HYUNDAI MOTOR CO.
  2. Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.
    Fig 2: Output Voltage Graph
    G07264654Courtesy of HYUNDAI MOTOR CO.

    V_low: 

    0.59V ~ 0.84V

    V_high: 

    1.18V ~ 1.68V

    Frequency range: 

    1 ~ 2,500Hz

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