VDC(diag)-26
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Warning Light Illumination Pattern
• With the vehicle jack-up/lift-up or set on free rollers, when the wheels lock or spin after starting the engine,
ABS warning light, VDC warning light and VDC OFF indicator light may illuminate because VDCCM&H/U de-
tects the abnormal conditions from ABS wheel speed sensors. In this case, this is not a malfunction. Perform
the clear memory mode.
B: VDC WARNING LIGHT, VDC OFF INDICATOR LIGHT AND VDC INDICATOR
LIGHT DO NOT COME ON
DETECTING CONDITION:
• Defective combination meter
• Defective CAN communication
TROUBLE SYMPTOM:
When the ignition switch is turned to ON (engine OFF), VDC indicator light, VDC warning light and VDC OFF
indicator light do not come on.
NOTE:
When pressing VDC OFF switch for more than 10 seconds, VDC OFF indicator light goes off and cannot op-
erate any more. When turning the ignition switch from OFF to ON, the OFF operation enabled status is re-
stored.
Step
Check
Yes
No
1
CHECK OTHER INDICATOR LIGHT.
Turn the ignition switch to ON.
Does other indicator light illu-
minate soon after “ON”?
Go to step 2.
Perform the self-
diagnosis of com-
bination meter.
2
CHECK VDCCM.
When the engine does not start, display the
current data of VDCCM using Subaru Select
Monitor.
Is “VDC warning light” output
set to “ON”?
Go to step 3.
Replace the
VDCCM.
3
CHECK LAN SYSTEM.
Perform the diagnosis for LAN system. <Ref. to
LAN(diag)-24, OPERATION, Read Diagnostic
Trouble Code (DTC).>
Is there any fault in LAN sys-
tem?
Perform the diag-
nosis according to
DTC for LAN sys-
tem.
Go to step 4.
4
CHECK COMBINATION METER.
Check the combination meter.
Is combination meter OK?
Replace the
VDCCM&H/U.
Repair the combi-
nation meter
assembly.
Содержание 2004 LEGACY
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Страница 458: ...VDC diag 136 VEHICLE DYNAMICS CONTROL VDC DIAGNOSTICS General Diagnostic Table ...
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