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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program (Esp) System (Except HEV) >> 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, a 100 Ω resistor must be used when measuring output voltage.
    G12917223Courtesy of KIA MOTORS AMERICA, INC.
  2. Compare the change in the output voltage of the wheel speed sensor to the normal change in the output voltage as shown below.
    G12917224Courtesy of KIA MOTORS AMERICA, INC.
    • V_low: 0.59V - 0.84V
    • V_high: 1.18V - 1.68V
    • Frequency range: 1 - 2, 500Hz
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