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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System (Abs) (Except HEV) >> 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, a 100 Ω resistor must be used when measuring output voltage.
    G12917178Courtesy 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 in the illustration below.
    G12917179Courtesy 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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