Subaru LEGACY 2003 Service Manual page 259

DIAGNOSTICS CHART WITH SELECT MONITOR
Step
1 CHECK INSTALLATION OF YAW RATE AND
LATERAL G SENSOR.
Check installation of yaw rate and lateral G
sensor.
Is the yaw rate and lateral G sensor fixed
securely?
2 CHECK OUTPUT OF LATERAL G SENSOR
USING SELECT MONITOR.
1) Stop the vehicle on a flat road.
2) Select "Current data display & Save" on the
select monitor.
3) Read yaw rate and lateral G sensor output
on the select monitor display.
Is the measured value within the specified
range?
3 CHECK POOR CONTACT IN CONNECTORS.
Turn ignition switch to OFF.
Is there poor contact in connector between
VDCCM and yaw rate and lateral G sensor?
4 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?
5 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES APPEARANCE.
Are other diagnostic trouble codes being out-
put?
Value
Fixed securely.
2.3 — 2.7 V
There is poor contact.
Same DTC indicated.
Other DTC indicated.
VDC-257
VDC (DIAGNOSTICS)
Yes
Go to step 2. Install yaw rate
and lateral G sen-
sor securely.
Go to step 3. Replace yaw rate
and lateral G sen-
sor. <Ref. to VDC-
22, Yaw Rate and
Lateral G Sensor.>
Repair connector. Go to step 4.
Replace VDCCM. Go to step 5.
<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