Subaru Legacy 2004 Service Manual page 3094

Step
10 CHECK POWER SUPPLY CIRCUIT.
1) Turn the ignition switch to ON. (engine
OFF)
2) Measure the ignition power supply voltage
between VDCCM&H/U connector and chassis
ground.
Connector & terminal
(B310) No. 14 (+) — Chassis ground (
11 CHECK HARNESS CONNECTOR BETWEEN
VDCCM&H/U AND CHASSIS GROUND.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from VDCCM&H/
U.
3) Measure the resistance of harness
between VDCCM&H/U and chassis ground.
Connector & terminal
(B310) No. 6 — Chassis ground:
12 CHECK POOR CONTACT IN CONNECTOR. Is there poor contact in control
Subaru Select Monitor
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Check
Is the voltage 10 — 15 V?
#
):
Is the resistance less than 0.5
&?
module power supply, ground
circuit and data link connector?
VDC(diag)-21
Yes
Go to step 11. Repair the open
circuit in harness
between
VDCCM&H/U and
battery.
Go to step 12. Repair the open
circuit in harness
between
VDCCM&H/U and
inhibitor side con-
nector, and poor
contact in cou-
pling connector.
Repair the con- Replace the
nector. VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule & Hydraulic
Control Unit
(VDCCM&H/U).>
No