Subaru Legacy 2003 - Page 86

VDC-84
VDC (DIAGNOSTICS)
DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
AE:DTC 45 CONTROL MODULE OUT OF SPECIFICATION
DIAGNOSIS:
• Control module out of specification
TROUBLE SYMPTOM:
• ABS does not operate.
• VDC does not operate.
Step Value Yes No
1 CHECK TCM.
Is the same diagnostic trouble code as in the
current diagnosis still being output?
Same DTC indicated. Go to step 2. Proceed with the
diagnosis corre-
sponding to the
diagnostic trouble
code.
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?
Agree. Go to step 3. Replace VDCCM.
<Ref. to VDC-8,
VDC Control Mod-
ule (VDCCM).>
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?
Agree. Go to step 4. Replace TCM.
<Ref. to AT-76,
Transmission Con-
trol Module
(TCM).>
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?
Same DTC indicated. Go to step 5. The original TCM
has been faulty.