Subaru Legacy 2003 - Page 166

VDC-164
VDC (DIAGNOSTICS)
DIAGNOSTICS CHART WITH SELECT MONITOR
Y: DTC 43 AET COMMUNICATION LINE MALFUNCTION
DIAGNOSIS:
• AET communication line is broken or short circuited.
TROUBLE SYMPTOM:
• VDC does not operate.
WIRING DIAGRAM:
C8
C7
C2
C8
C7
LH4
RH4
WO
C2
B5
A12
OO
B18
A4
B6
H6
A11
VDC
CONTROL
MODULE
AET
AEB
AEC
5
7
R
21 43
8
6
1
4
L
2
F87
F96
B255
F87
56 57 59 60 62 63 65 82 83
80
27
28
25
26
23
24
21
22
19
20
17
18
15
16
13
14
11 12
9
10
7
8
5
6
3
4
1
2
54 5552 5350 51
81
48 4946 4744 45
78 7976 7775
42 4340 41
7472 7370 71
3937 3835 36
6967 6866
33 34
61 64
31 3229 30
58
B135
ENGINE
CONTROL
MODULE
B134
B135
A:
:
B:
:
H6
RH4 WO
B136
C:
:
LH4
OO
RH4
B:
:
RH4
WO
:
LH4
RH4 OOB134
A:
:
H6
567
8
21
9
4
3
10
2422 23 25
11 12 13 14 15
26 27
28
16
17 18 19
20 21
1234
10 11 12
19 20 21
13
56
14 15
7
89
16 17 18 22
1 2 3
4 5 6
7 8 9 10 11 12 13 14
F96
L
:
F96
R
:
1234 56789
10 11 12 13 14 15 16 17 18 19 20
VDC00175
C:
B136
3412
89
10 11 12 13 14
15 16 17 18 19 20
21 22 23 24
56
7
: 4 CYLINDER ENGINE RHD MODEL
: 4 CYLINDER ENGINE LHD MODEL
RH4
LH4
: 4 CYLINDER ENGINE
: 6 CYLINDER ENGINE
H4
H6
: RHD MODEL
: LHD MODEL
R
L
: WITHOUT OBD MODEL
: WITH OBD MODEL
OO
WO