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Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> 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.

    Information 

    In order to protect the wheel speed sensor, when measuring output voltage, a 100 Ω resister must be used as illustrated.

    Fig 1: Measuring Output Voltage Between Terminal Of Wheel Speed Sensor And Body Ground
    G09790330Courtesy 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 as illustrated below.
    Fig 2: Wheel Speed Sensor Output Voltage Graph
    G09790331Courtesy of HYUNDAI MOTOR AMERICA

    V_low: 0.59V ~ 0.84V

    V_high: 1.18V ~ 1.68V

    Frequency range: 1 ~ 2, 000Hz