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Home >> Kia >> 2016 >> Rio EX, 4D Hatchback >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> 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 120 Ω resister must be used as shown.
    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G11846094Courtesy 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: Wheel Speed Sensor Output Voltage Graph
    G11846095Courtesy of KIA MOTORS AMERICA, INC.

    V_low:  0.7 V ~ 1.0 V

    V_high:  1.4 V ~ 2.0 V

    Frequency range:  1 ~ 2, 500Hz

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