Subaru LEGACY 2003 Service Manual page 86

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
VDC (DIAGNOSTICS)
AE:DTC 45 CONTROL MODULE OUT OF SPECIFICATION
DIAGNOSIS:
• Control module out of specification
TROUBLE SYMPTOM:
• ABS does not operate.
• VDC does not operate.
1 CHECK TCM.
Is the same diagnostic trouble code as in the
current diagnosis still being output?
2 CHECK VDCCM SPECIFICATIONS.
Check the VDCCM identification mark.
VDCCM identification mark
H4 engine model
K
OUTBACK H4 enigne model
M
OUTBACK H6 enigne model
N
H4 enigne model for Australia
J
H6 enigne model for Australia OUT-
BACK
Y
Does the VDCCM identification mark agree
with the vehicle specifications?
3 CHECK TCM SPECIFICATIONS.
Check the TCM identification mark.
TCM identification mark
LHD H4 engine model
YZ
RHD H4 engine model
ZG
LHD OUTBACK H4 enigne model
ZB
RHD OUTBACK H4 enigne model
ZJ
LHD OUTBACK H6 enigne model
ZD
RHD OUTBACK H6 enigne model
ZL
Does the TCM identification mark agree with
the vehicle specifications?
4 CHECK TCM.
1) Replace TCM. <Ref. to AT-76, Transmis-
sion Control Module (TCM).>
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?
Step Value
Same DTC indicated.
Agree.
Agree.
Same DTC indicated.
VDC-84
Yes
Go to step 2. Proceed with the
diagnosis corre-
sponding to the
diagnostic trouble
code.
Go to step 3. Replace VDCCM.
<Ref. to VDC-8,
VDC Control Mod-
ule (VDCCM).>
Go to step 4. Replace TCM.
<Ref. to AT-76,
Transmission Con-
trol Module
(TCM).>
Go to step 5. The original TCM
has been faulty.
No