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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System (Abs) >> 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 75Ω resistor must be used as shown in illustration.
    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G06802045Courtesy 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: Wheel Speed Sensor Output Voltage Graph
    G06802046Courtesy of HYUNDAI MOTOR CO.
    1. V_low : 0.44 V ~ 0.63 V
    2. V_high : 0.885 V ~ 1.26 V
    3. Frequency range : 1~2,500 Hz