2004 SUBARU FORESTER wiring diagram

4AT(H4SO)-30
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Power Indicator Light Display
2. CHECK POWER SUPPLY AND GROUND LINE
WIRING DIAGRAM:
AT-00572
B40B11
F45
B54 A:B56
B11
T4
B40
DATA LINK
CONNECTOR
TCM C:
1 1
2 2
3 3
4 4
5
56
6778
8
9 9
13 14 15
20 19 171610 10
11 11
12
13 14 15 16 12
BATTERY
E
E
F45
B62
NO.4
NO.11
SBF-4 SBF-1 LHD
LHD
IGNITION
SWITCH
C1
A23
A24
C15
C24
18
123 4 567
8 9 10 12 13 14 15 1611
1234 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 241234 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
RHD
RHD
9
1
10
6
12
13
SBF-5
F44
B61
LHD
RHD
7
LHD
RHD
B21
E216
E
B21
1234
5678
9
10 11 12
13 14 15 16
12345678
F44
A21
C19
16
24
B300
LINE END
CHECK
CONNECTOR
: LHD MODEL
: RHD MODELLHD
RHD
123
456
B300
TRANSMISSION
B56C:B54A:

4AT(H4SO)-32
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure for Subaru Select Monitor Communication
11.Diagnostic Procedure for Subaru Select Monitor Communication
A: COMMUNICATION FOR INITIALIZING IMPOSSIBLE
DIAGNOSIS:
Faulty harness connector
TROUBLE SYMPTOM:
Select monitor communication failure
WIRING DIAGRAM:
AT-00572
B40B11
F45
B54 A:B56
B11
T4
B40
DATA LINK
CONNECTOR
TCM C:
1 1
2 2
3 3
4 4
5
56
6778
8
9 9
13 14 15
20 19 171610 10
11 11
12
13 14 15 16 12
BATTERY
E
E
F45
B62
NO.4
NO.11
SBF-4 SBF-1 LHD
LHD
IGNITION
SWITCH
C1
A23
A24
C15
C24
18
123 4 567
8 9 10 12 13 14 15 1611
1234 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 241234 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
RHD
RHD
9
1
10
6
12
13
SBF-5
F44
B61
LHD
RHD
7
LHD
RHD
B21
E216
E
B21
1234
5678
9
10 11 12
13 14 15 16
12345678
F44
A21
C19
16
24
B300
LINE END
CHECK
CONNECTOR
: LHD MODEL
: RHD MODELLHD
RHD
123
456
B300
TRANSMISSION
B56C:B54A:

4AT(H4SO)-36
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
13.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC 11 ENGINE SPEED SIGNAL
DTC DETECTING CONDITION:
The engine speed input signal circuit is open or shorted.
TROUBLE SYMPTOM:
 No lock-up (after engine warm-up).
 The POWER indicator light remains on when vehicle speed is “0”.
WIRING DIAGRAM:
AT-01824
10
17
B55
B134
ECM
B134
B55 TCM
123 4
5
6
789
10 1112
13 14 15 16 17 18
192012
910 11 21
242534
12 13
2627161718
303114 15
28
297
8
22
23
343556
19 20
32
33
21
2223 24

4AT(H4SO)-38
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
B: DTC 27 ATF TEMPERATURE SENSOR
DTC DETECTING CONDITION:
The input signal circuit of TCM to ATF temperature sensor is open or shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
AT-00776
11
20 11
12 ATF TEMPERATURE
SENSOR
B54
B11
T4 TCM
B11TRANSMISSION
125678
131415169101112
34
17181920
B54
1234
10
11 12
19 20 21135614 1578916 17 18
22 23 24

4AT(H4SO)-41
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
C: DTC 31 THROTTLE POSITION SENSOR
DTC DETECTING CONDITION:
The input signal circuit of throttle position sensor is open or shorted.
TROUBLE SYMPTOM:
 Shift point too high or too low
 Excessive shift shock
 Tight corner braking phenomenon
WIRING DIAGRAM:
AT-01825
B134B136B135
12
910 11 21
242512
893
10
212212
8
93
105
1711
2212 13
2314
2415
25
204
16
26 2167
1819
272834
12 13
2627161718
303114 15
28
2978
22
23
343556
19 20
32
33
B54B122
1234
56789
10 1112
13 14 15 16 17 18
192021
2223 24
18131415
25
2611 12
23246
7
192045
16 17
B22
1
234
56
78
9
1314
15
20
19 1716 10 11
12
18
B21
E13
B122
B21
B134B54 TCM
A:B135 B:
B136ECM
C:
E2
B22
E3
E13
13 1415
16
12 34
12 3456 78
9
10
11
12
B13
B3
15
13816
14B19
4
3
22
3
C26D14B21C16C5A35A7
EE
2
1
12
11
9
SHIELD AND
THROTTLE
POSITION SENSORSENSOR GROUND
JOINT CONNECTOR
B122: RHD
: LHD
12
893
10
1813141511 1267
19204
5
16 17
B137
B137 D:
12345678
D:
B:
A: C:

4AT(H4SO)-46
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
AT-01826
B11
1
234
56
78
9
1314
15
20
19 1716 10 1112
18
B299
B54
1234
56789
101112
13
1415 16 17 18
1920
2122 23
24
B56
1234
56789
101112
13
1415 16 17 18
19
202122 23
24
i10B37
1234
5678
910112324
121314
1516 17 1819
20 2122
B55
1234
56789
10 1112
13 14 15 16 17 18
192021
2223 24
i10
B38
i317
18
B11
B299
RHD
T4
TCM
B54 A:
B55
B:B56 C:
C17
A10B18
8
3
4LHD1
2
6
SHIELD AND
SENSOR GROUND
JOINT CONNECTOR
LHD
RHD: LHD MODEL
: RHD MODEL
COMBINATON
METER
SPEEDOMETERFRONT
VEHICLE SPEED
SENSOR
7
12
219
32
1234 5610 11 12 13 14 15716
23 3019 20
22 26 27 28 29817
24 3118
25
i3
18
RHD
RHD
LHD
12345678
B37
i2
LHD
123456
78 9 10 1112
13
14
15 16 17
181920
21
2223
24
2526
272829
30
C:
B: A:

4AT(H4SO)-49
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
E: DTC 36 TORQUE CONVERTER TURBINE SPEED SENSOR
DTC DETECTING CONDITION:
The input signal circuit of TCM is open or shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
AT-00580
14
15
B11
B534
T4
TCMB55
8
9
1
2
RHD
SENSOR
LHD
RHD: LHD MODEL
: RHD MODEL
TORQUE
CONVERTER
TURBINE SPEED
B55
1234
56789
10 1112
13 14 15 16 17 18
192021
2223 24
B11
1
234
56
78
9
1314
15
20 19 1716 10 1112
18
B53
LHD4
5
6SHIELD AND SENSOR GROUND
JOINT
CONNECTOR
LHD :B53
123
4
:RHD
651
234

4AT(H4SO)-52
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
F: DTC 38 TORQUE CONTROL SIGNAL
DTC DETECTING CONDITION:
The signal circuit is open or shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND ECM.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
ECM.
3) Measure the resistance of harness
between TCM and ECM connector.
Connector & terminal
(B56) No. 14 — (B136) No. 18:
(B56) No. 5 — (B136) No. 1Is the resistance less than 1
Ω?Go to step 2.Repair the open
circuit in harness
between TCM and
ECM connector.
2 CHECK HARNESS CONNECTOR BETWEEN
TCM AND ECM.
Measure the resistance of harness between
TCM connector and chassis ground.
Connector & terminal
(B56) No. 14 — Chassis ground:
(B56) No. 5 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 3.Repair the short
circuit in harness
between TCM and
ECM connector.
AT-01827
18
114
5
B56
B136
B136ECM
B56
TCM
1234
56789
10 1112
13 14 15 16 17 18
1920451712
89
20
213
1011 12
13
222314 15
242516
2667
18
19
2728
21
2223 24
2930