Subaru Legacy 2004 Service Manual page 2960

ABS
2) Charge a 12 V power supply to the No. 2 termi-
nal of sensor connector as shown in the figure, and
then install the resistance to No. 1 terminal. Rotate
the wheel about 2.75 km/h (2 MPH) or equivalent,
measure the voltage using 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 one.
Front ABS Wheel Speed Sensor
(1)
ABS00388
ABS-14