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Home >> Kia >> 2012 >> Sedona LX >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System (Abs) >> Front 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 75Ω resistor must be used as shown.
    Fig 1: Wheel Speed Sensor - Circuit Diagram
    G07395853Courtesy of KIA MOTORS AMERICA, INC.
  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
    G07395854Courtesy of KIA MOTORS AMERICA, INC.
    1. V_low : 0.67 V ~ 1.0 V
    2. V_high : 1.34 V ~ 2.02 V
    3. Frequency range : 1 ~ 2, 500 Hz
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