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Home >> Kia >> 2017 >> Optima EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Program (Esp) System (Except HEV) >> Rear 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.
    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G12142231Courtesy 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.
Fig 2: Wheel Speed Sensor Output Voltage Graph
G12142232Courtesy of KIA MOTORS AMERICA, INC.
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