Subaru LEGACY 2003 Service Manual page 60

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
VDC (DIAGNOSTICS)
7 CHECK TONE WHEEL RUNOUT.
Measure tone wheel runout.
Is the measured value less than the specified
value?
8 CHECK RESISTANCE OF ABS SENSOR.
1) Turn ignition switch OFF.
2) Disconnect connector from ABS sensor.
3) Measure resistance between ABS sensor
connector terminals.
Terminal
Front RH No. 1 — No. 2:
Front LH No. 1 — No. 2:
Rear RH No. 1 — No. 2:
Rear LH No. 1 — No. 2:
Is the measured value within the specified
range?
9 CHECK GROUND SHORT OF ABS SENSOR.
Measure resistance between ABS sensor and
chassis ground.
Terminal
Front RH No. 1 — Chassis ground:
Front LH No. 1 — Chassis ground:
Rear RH No. 1 — Chassis ground:
Rear LH No. 1 — Chassis ground:
Does the measured value exceed the specified
value?
10 CHECK HARNESS/CONNECTOR BETWEEN
VDCCM AND ABS SENSOR.
1) Connect connector to ABS sensor.
2) Disconnect connector from VDCCM.
3) Measure resistance at VDCCM connector
terminals.
Connector & terminal
DTC 22 / (F87) No. 14 — No. 15:
DTC 24 / (F87) No. 49 — No. 19:
DTC 26 / (F87) No. 18 — No. 46:
DTC 28 / (F87) No. 16 — No. 17:
Is the measured value within the specified
range?
11 CHECK GROUND SHORT OF HARNESS.
Measure resistance between VDCCM connec-
tor and chassis ground.
Connector & terminal
DTC 22 / (F87) No. 14 — Chassis
ground:
DTC 24 / (F87) No. 49 — Chassis
ground:
DTC 26 / (F87) No. 18 — Chassis
ground:
DTC 28 / (F87) No. 16 — Chassis
ground:
Does the measured value exceed the specified
value?
Step Value
0.05 mm (0.0020 in)
1.0 — 1.5 kΩ
1 MΩ
1.0 — 1.5 kΩ
1 MΩ
VDC-58
Yes
Go to step 8. Repair tone wheel.
Front <Ref. to
VDC-29, Front
Tone Wheel.>
Rear <Ref. to
VDC-30, Rear
Tone Wheel.>
Go to step 9. Replace ABS sen-
sor. Front <Ref. to
VDC-27, Front
ABS Sensor.>
Rear <Ref. to
VDC-28, Rear
ABS Sensor.>
Go to step 10. Replace ABS sen-
sor. Front <Ref. to
VDC-27, Front
ABS Sensor.>
Rear <Ref. to
VDC-28, Rear
ABS Sensor.>
Go to step 11. Repair harness/
connector
between VDCCM
and ABS sensor.
Go to step 12. Repair harness/
connector
between VDCCM
and ABS sensor.
No