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Home >> Hyundai >> 2018 >> Elantra Eco >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Electronic Stability Control (ESC) System) >> Front Wheel Speed Sensor >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING: This page is about a different car, the 2017 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
  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 100Ω resister must be used as shown.
    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G12027092Courtesy of HYUNDAI MOTOR AMERICA
  2. Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage displayed below.
    Fig 2: Wheel Speed Sensor Output Voltage Graph
    G12027093Courtesy of HYUNDAI MOTOR AMERICA

    V_low:  0.59V - 0.84V

    V_high:  1.18V - 1.68V

    Frequency range:  1 - 2, 500 Hz

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