Subaru LEGACY 2003 Service Manual page 208

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (DIAGNOSTICS)
17 CHECK GROUND SHORT OF SOLENOID
VALVE.
Measure resistance between VDCH/U connec-
tor and chassis ground.
Connector & terminal
(VDC2) No. 2 — Chassis ground:
Does the measured value exceed the specified
value?
18 CHECK GROUND SHORT OF HARNESS.
1) Turn ignition switch to OFF.
2) Measure resistance between VDCCM con-
nector and chassis ground.
Connector & terminal
(F87) No. 30 — Chassis ground:
(F87) No. 24 — Chassis ground:
(F87) No. 23 — Chassis ground:
(F87) No. 31 — Chassis ground:
(F87) No. 26 — Chassis ground:
(F87) No. 25 — Chassis ground:
(F87) No. 3 — Chassis ground:
(F87) No. 51 — Chassis ground:
(F87) No. 50 — Chassis ground:
(F87) No. 4 — Chassis ground:
(F87) No. 2 — Chassis ground:
(F87) No. 29 — Chassis ground:
Does the measured value exceed the spec-
ified value?
19 CHECK HARNESS/CONNECTOR BETWEEN
VDCCM AND VDCH/U.
1) Connect connector (F91) to VDCH/U.
2) Measure resistance between VDCCM con-
nector and VDCH/U
Connector & terminal
(F87) No. 30 — (VDC2) No. 2:
(F87) No. 24 — (VDC2) No. 2:
(F87) No. 23 — (VDC2) No. 2:
(F87) No. 31 — (VDC2) No. 2:
(F87) No. 26 — (VDC2) No. 2:
(F87) No. 25 — (VDC2) No. 2:
Is the measured value within the specified
range?
20 CHECK HARNESS/CONNECTOR BETWEEN
VDCCM AND VDCH/U.
Measure resistance between VDCCM connec-
tor terminals.
Connector & terminal
(F87) No. 3 — (VDC2) No. 2:
(F87) No. 51 — (VDC2) No. 2:
(F87) No. 50 — (VDC2) No. 2:
(F87) No. 4 — (VDC2) No. 2:
(F87) No. 2 — (VDC2) No. 2:
(F87) No. 29 — (VDC2) No. 2:
Is the measured value within the specified
range?
21 CHECK POOR CONTACT IN CONNECTORS.
Is there poor contact in connector between
VDCCM and VDCH/U?
Step Value
1 MΩ
1 MΩ
8.0 — 10.0 Ω
4.0 — 6.0 Ω
There is poor contact.
VDC-206
Yes
Go to step 18. Replace VDCH/U
and check all
fuses. <Ref. to
VDC-8, VDC Con-
trol Module
(VDCCM).>
Go to step 19. Repair harness
between VDCH/U
and VDCCM.
Go to step 20. Repair harness/
connector
between VDCH/U
and VDCCM.
Go to step 21. Repair harness/
connector
between VDCH/U
and VDCCM.
Repair connector. Go to step 22.
No