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Home >> Subaru >> 2009 >> Tribeca Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Anti-Lock Brake Control System - Vehicle Dynamics Control (VDC) >> Front ABS Wheel Speed Sensor >> Inspection >> Abs Wheel Speed Sensor
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Abs Wheel Speed Sensor

  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 illustration, 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: Identifying ABS Wheel Speed Sensor And Oscilloscope
    G06343533Courtesy of SUBARU OF AMERICA, INC.
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