Subaru LEGACY 2003 Service Manual page 61

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
Step
12 CHECK GROUND CIRCUIT OF VDCCM.
Measure resistance between VDCCM and
chassis ground.
Connector & terminal
(F87) No. 1 — Chassis ground:
(F87) No. 55 — Chassis ground:
Is the measured value less than the specified
value?
13 CHECK POOR CONTACT IN CONNECTORS.
Is there poor contact in connectors between
VDCCM and ABS sensor?
14 CHECK SOURCES OF SIGNAL NOISE.
Is the car telephone or the wireless transmitter
properly installed?
15 CHECK SOURCES OF SIGNAL NOISE.
Are noise sources (such as an antenna)
installed near the sensor harness?
16 CHECK SHIELD CIRCUIT.
1) Connect all connectors.
2) Measure resistance between shield con-
nector and chassis ground.
Connector & terminal
RHD model
DTC 22 / (F45) No. 14 — Chassis
ground:
DTC 24 / (F45) No. 17 — Chassis
ground:
LHD model
DTC 22 / (F45) No. 13 — Chassis
ground:
DTC 24 / (F45) No. 10 — Chassis
ground:
Is the measured value less than the speci-
fied value?
NOTE:
For the DTC 26 and 28, Go to step 17.
17 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?
18 CHECK ANY OTHER DIAGNOSTIC TROU-
BLE CODES APPEARANCE.
Are other diagnostic trouble codes being out-
put?
Value
0.5 Ω
There is poor contact.
Installed properly.
Installed properly.
0.5 Ω
Same DTC indicated.
Other DTC indicated.
VDC-59
VDC (DIAGNOSTICS)
Yes
Go to step 13. Repair VDCCM
ground harness.
Repair connector. Go to step 14.
Go to step 15. Properly install the
car telephone or
the wireless trans-
mitter.
Install the noise Go to step 16.
sources apart from
the sensor har-
ness.
Go to step 17. Repair shield har-
ness.
Replace VDCCM. Go to step 18.
<Ref. to VDC-8,
VDC Control Mod-
ule (VDCCM).>
Proceed with the A temporary noise
diagnosis corre- interference.
sponding to the
diagnostic trouble
code.
No