Subaru LEGACY 2006 Manual page 4219

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK THE VDCCM&H/U VALVE RELAY.
1) Disconnect the connector from the
VDCCM&H/U.
2) Measure the resistance between
VDCCM&H/U connector terminals.
Terminals
No. 5 — No. 6:
2 CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in con-
3 CHECK THE VDCCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the Inspection Mode.
4) Read the DTC.
4 CHECK OTHER DTC DETECTION.
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Check
Is the resistance more than 1
MΩ?
nector between generator, bat-
tery and VDCCM&H/U?
Is the same DTC displayed?
Is any other DTC displayed?
VDC(diag)-73
Yes No
Go to step 2. Replace the
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule and Hydraulic
Control Unit
(VDCCM&H/U).>
Repair the con- Go to step 3.
nector.
Replace the Go to step 4.
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule and Hydraulic
Control Unit
(VDCCM&H/U).>
Perform the diag- Temporary poor
nosis according to contact occurs.
DTC. <Ref. to
VDC(diag)-36, List
of Diagnostic Trou-
ble Code (DTC).>