Subaru LEGACY 2006 Manual page 3817

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ABS
C: INSPECTION
1. CHECK WITH SUBARU SELECT MONI-
TOR
1) Connect the Subaru Select Monitor to the data
link connector.
2) Select {Current Data Display & Save}. Check if
the speed indicated on the display changes in the
same manner as the speedometer reading during
acceleration/deceleration when the steering wheel
is in the straight-ahead position.
3) If the speed indicated on the display does not
change, check the ABS wheel speed sensor. <Ref.
to ABS-14, ABS WHEEL SPEED SENSOR, IN-
SPECTION, Front ABS Wheel Speed Sensor.>
2. 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 figure, then at-
tach 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
1.4 V
0.7 V
12 V
1 2
2
(2)
1
100
(1) Oscilloscope
(2) ABS wheel speed sensor
NOTE:
Check the ABS wheel speed sensor cable for dis-
continuity. If necessary, replace with a new part.
Front ABS Wheel Speed Sensor
(1)
ABS00388
ABS-14