Subaru LEGACY 2003 Service Manual page 218

DIAGNOSTICS CHART WITH SELECT MONITOR
VDC (DIAGNOSTICS)
7 CHECK BATTERY SHORT IN HARNESS BE-
TWEEN RELAY BOX AND VDCCM.
Measure voltage between VDCCM connector
and chassis ground.
Connector & terminal
(F87) No. 10 (+) — Chassis ground ( − − − − ):
Is the measured value less than the specified
value?
8 CHECK BATTERY SHORT IN HARNESS BE-
TWEEN RELAY BOX AND VDCCM.
1) Turn ignition switch to ON.
2) Measure voltage between VDCCM connec-
tor and chassis ground.
Connector & terminal
(F87) No. 10 (+) — Chassis ground ( − − − − ):
Is the measured value less than the speci-
fied value?
9 CHECK POOR CONTACT IN CONNECTORS.
Turn ignition switch to OFF.
Is there poor contact in connector between
VDCH/U, relay box and VDCCM?
10 CHECK VDCCM.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the diagnostic trouble code.
Is the same diagnostic trouble code as in
the current diagnosis still being output?
11 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES APPEARANCE.
Are other diagnostic trouble codes being out-
put?
Step Value
1 V
1 V
There is poor contact.
Same DTC indicated.
Other DTC indicated.
VDC-216
Yes
Go to step 8. Repair harness
between VDCCM
and relay box.
Go to step 9. Repair harness
between VDCCM
and relay box.
Repair connector. Go to step 10.
Replace VDCCM. Go to step 11.
<Ref. to VDC-8,
VDC Control Mod-
ule (VDCCM).>
Proceed with the A temporary poor
diagnosis corre- contact.
sponding to the
diagnostic trouble
code.
No