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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 268 (Electronic Stability Control (ESC) System (PHEV)) >> Rear Wheel Speed Sensor >> Repair Procedures >> Inspection

Repair Procedures: Inspection

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  1. Measure the output voltage between the terminal of the wheel speed sensor and the body ground.
    NOTE: In order to protect the wheel speed sensor, when measuring output voltage, a 100 Ω resister must be used as shown.
    G13157011Courtesy 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.

    V_low: 0.59V - 0.84V

    V_high: 1.18V - 1.68V

    Frequency range: 1 - 2, 500Hz