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Front Wheel Speed Sensor: 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 100 Ω resistor must be used as shown.
    Fig 1: Wheel Speed Sensor Circuit Diagram
    G04863292Courtesy 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: Output Voltage Graph
    G04805958Courtesy of KIA MOTORS AMERICA, INC.
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