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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System (Abs) >> Rear 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
    G06802050Courtesy 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
G06802051Courtesy 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
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