Subaru LEGACY 2006 Manual page 4247

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
11 CHECK YAW RATE & LATERAL G SENSOR.
1) Turn the ignition switch to ON.
2) Check the signal pattern of oscilloscope
between VDCCM&H/U connector terminals.
<Ref. to VDC(diag)-16, WAVEFORM, MEA-
SUREMENT, Control Module I/O Signal.>
Connector & terminal
(B310) No. 2 — No. 16:
(B310) No. 28 — No. 16:
12 CHECK YAW RATE & LATERAL G SENSOR.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Erase the memory.
4) Perform the Inspection Mode.
5) Read the DTC.
13 CHECK THE VDCCM&H/U.
1) Turn the ignition switch to OFF.
2) Replace the yaw rate & lateral G sensor.
3) Erase the memory.
4) Perform the Inspection Mode.
5) Read the DTC.
14 CHECK YAW RATE & LATERAL G SENSOR.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Erase the memory.
4) Perform the Inspection Mode.
5) Read the DTC.
15 CHECK OTHER DTC DETECTION.
16 CHECK OTHER DTC DETECTION.
BA:DTC C0073 EXCESSIVE AMOUNT OF LATERAL G SENSOR OUTPUT OFF-
SET
NOTE:
Refer to DTC C0073 for diagnostic procedure. <Ref. to VDC(diag)-102, DTC C0073 EXCESSIVE LATERAL
G SENSOR OUTPUT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
BB:DTC C0073 LATERAL G SENSOR OUTPUT
NOTE:
Refer to DTC C0073 for diagnostic procedure. <Ref. to VDC(diag)-102, DTC C0073 EXCESSIVE LATERAL
G SENSOR OUTPUT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
BC:DTC C0073 EXCESSIVE VARIATION AMOUNT OF LATERAL G SENSOR
OUTPUT
NOTE:
Refer to DTC C0073 for diagnostic procedure. <Ref. to VDC(diag)-102, DTC C0073 EXCESSIVE LATERAL
G SENSOR OUTPUT, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Check
Is the oscilloscope pattern the
same waveform as shown in
the figure?
Is the same DTC displayed?
Is the same DTC displayed?
Is the same DTC displayed?
Is any other DTC displayed?
Is any other DTC displayed?
VDC(diag)-101
Yes No
Go to step 12. Replace the yaw
rate & lateral G
sensor.
Go to step 13. Go to step 15.
Replace the Go to step 16.
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule and Hydraulic
Control Unit
(VDCCM&H/U).>
Replace the Go to step 15.
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.
Perform the diag- Malfunction is
nosis according to found in original
DTC. yaw rate & lateral
G sensor.