Subaru Legacy 2004 Service Manual page 3118

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
1 CHECK POOR CONTACT IN CONNECTOR.
Check if there is poor contact in VDCCM&H/U
power supply circuit.
2 CHECK VDCCM&H/U POWER SUPPLY CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the VDCCM&H/U connector.
3) Turn the ignition switch to ON.
4) Measure the voltage between VDCCM&H/
U connector terminals.
Terminals
(B310) No. 14 (+) — (B310) No. 6 (
3 CHECK 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 there poor contact?
Is the voltage 10 — 15 V?
#
):
Is the same DTC displayed?
Is any other DTC displayed?
VDC(diag)-45
Yes
Repair the con- Go to step 2.
nector.
Go to step 3. Check the genera-
tor, battery and
VDCCM&H/U
power supply cir-
cuit.
Replace the Go to step 4.
VDCCM&H/U.
Perform the diag- It results from a
nosis according to temporary noise
DTC. interference.
No