Subaru LEGACY 2003 Service Manual page 86

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
J: DTC 33 VEHICLE SPEED SIGNAL
• DIAGNOSIS:
• The vehicle speed signal is abnormal.
• The harness connector between ECM and vehicle speed sensor is in short or open.
• TROUBLE SYMPTOM:
• Erroneous idling
• Engine stalls.
• Poor driving performance
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES. <Ref.
to EN(H4SOw/oOBD)-28, OPERATION, Clear Memory Mode.> and <Ref. to EN(H4SOw/oOBD)-26, OP-
ERATION, Inspection Mode.>
• WIRING DIAGRAM:
IGNITION
RELAY
1
*
2
*
B157
B56 TCM
COMBINATION
METER
i10
13 E4
i1
No. 5
* 1 LHD : 10
RHD : 37
2 LHD : 9
*
RHD : 38
VEHICLE
SPEED
SENSOR
B17
AT MT
B22
E3
B36
B135 ECM
EN(H4SOw/oOBD)-84
1
BATTERY
3
5
7
1 2 3 4 5 6 7
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
B157
2
4 9 14 15 16 19 24 25 26 29
10 17 20 27 30
6
11 12 13 18 21 22 23 28 31 32 33
8
B56
B17
1 2 3
1 2 3 4
5 6 7
10 11 12 13 14 15 16 17 18
22 23 24
19 20 21
B36
A1 A2 A4 A5 A6
A3
B1 B2 B4 B5 B6
B3
C2 C4 C5 C6
D1 D2 D4 D5 D6
C3
E1 E2 E4 E5 E6
F1 F6
G1 G6
H6
H1
I1 I6
J1 J6
K1 K6
L1 L2 L4 L5 L6
N3
M1 M2 M4 M5 M6
N2 N4 N5 N6
O3
O1 O2 O4 O5 O6
P3
P1 P2 P4 P5 P6
i10
8 9 10 11 12 13 14
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
B135
1 2 3 4 5 6 7
8 9
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28
EN-01058
34 35 36
37
38
8 9