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Abs Wheel Speed Sensor

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  1. Check the tip of the ABS wheel speed sensor for foreign particles or damage. If necessary, clean the tip or replace the ABS wheel speed sensor.
  2. Connect a 12 V power supply to No. 2 terminal of sensor connector as shown in the figure, then attach resistance to the No. 1 terminal. Rotate the wheel at about 2.75 km/h (2 MPH), and measure the voltage using an oscilloscope.

    Standard value of output voltage: 

    0.7 - 1.4 V 

    Fig 1: Measuring Voltage Between ABS Wheel Speed Sensor Connector Terminals
    G08545723Courtesy of SUBARU OF AMERICA, INC.
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