2004 SUBARU FORESTER diagram

4AT(H4DOTC)-79
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
S: DTC P0763 SHIFT SOLENOID “C” ELECTRICAL
DTC DETECTING CONDITION:
Output signal circuit of high clutch duty solenoid is open or shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B56) No. 8 — (B11) No. 7:Is the resistance less than 1
Ω?Go to step 2.Repair the open
circuit in harness
between TCM and
transmission con-
nector.
2 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
Measure the resistance of harness connector
between TCM and chassis ground.
Connector & terminal
(B56) No. 8 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 3.Repair the short
circuit in harness
between TCM and
transmission con-
nector.
3 CHECK HIGH CLUTCH DUTY SOLENOID.
Measure the resistance between transmission
connector receptacle’s terminals.
Connector & terminal
(T4) No. 7 — No. 20:Is the resistance 2.0 — 4.5 Ω? Go to step 4.Go to step 10.
4 PREPARE SUBARU SELECT MONITOR.Do you have a Subaru Select
Monitor?Go to step 7.Go to step 5.
AT-01120
B11
B56
AT12
1
234
56
78
9
1314
15
20
19 1716 10 1112
18
8
B56
B11
AT12
T4 TCM7 312 78 956 34
10 11 12 19 20 21
29 30 31 13 14 15 16 17
27 2818
22 23 24 25 26
13
4562
TRANSMISSIONHIGH CLUTCH
DUTY
SOLENOID

4AT(H4DOTC)-83
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
T: DTC P0768 SHIFT SOLENOID “D” ELECTRICAL
DTC DETECTING CONDITION:
Output signal circuit of low & reverse duty solenoid is open or shorted.
TROUBLE SYMPTOM:
Gear is not changed.
WIRING DIAGRAM:
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from transmis-
sion and TCM.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B56) No. 7 — (B11) No. 6:Is the resistance less than 1
Ω?Go to step 2.Repair the open
circuit in harness
between TCM and
transmission con-
nector.
2 CHECK HARNESS CONNECTOR BETWEEN
TCM AND CHASSIS GROUND.
Measure the resistance of harness between
TCM connector and chassis ground.
Connector & terminal
(B56) No. 7 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 3.Repair the short
circuit in harness
between TCM and
transmission con-
nector.
3 CHECK LOW & REVERSE BRAKE DUTY
SOLENOID.
Measure the resistance between transmission
connector terminals.
Connector & terminal
(T4) No. 6 — No. 20:Is the resistance 2.0 — 4.5 Ω? Go to step 4.Go to step 10.
4 PREPARE SUBARU SELECT MONITOR.Do you have a Subaru Select
Monitor?Go to step 7.Go to step 5.
AT-01121
7
B56
B11
AT12
T4TCM
B11
1
234
56
78
9
1314
15
20
19 1716 10 1112
18
16
B56AT12
12 78 956 34
10 11 12 19 20 21
29 30 31 13 14 15 16 17
27 2818
22 23 24 25 2613
4562
TRANSMISSIONLOW & REVERSE
BRAKE
DUTY
SOLENOID

4AT(H4DOTC)-86
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
U: DTC P0801 REVERSE INHIBITOR CONTROL CIRCUIT
DTC DETECTING CONDITION:
N–R lock solenoid malfunction, open or short reverse inhibitor control circuit.
TROUBLE SYMPTOM:
 Gear is shifted from “N” range to “R” range during driving at 20 km/h (12 MPH) or more.
 Gear can not be shifted from “N” range to “R” range.
WIRING DIAGRAM:
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND N–R LOCK SOLENOID.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and
N–R lock solenoid.
3) Measure the resistance harness between
TCM and N–R lock solenoid connector.
Connector & terminal
(B56) No. 18 — (B117) No. 4:Is the resistance less than 1
Ω?Go to step 2.Repair the open
circuit in harness
between TCM and
N–R lock solenoid
connector.
AT-01849
TCM
N-R LOCK SOLENOID
18
B56
E
B117
B56
B117
4
5
12
789 56 3
410 11 1219 20 21
29 30 31 13 14 15 1617
27 2818
22 23 24 25 26
12
3456

4AT(H4DOTC)-88
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
V: DTC P1706 AT VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION (REAR
WHEEL)
DTC DETECTING CONDITION:
Input signal circuit of TCM is open or shorted.
TROUBLE SYMPTOM:
No lock-up or tight corner “braking” phenomenon.
WIRING DIAGRAM:
AT-01850
2324
B11
AT10
T491713
312
B55 TCM BATTERY
IGNITION
SWITCH
REAR VEHICLE
SPEED SENSOR
ESBF-1
SBF-4 NO.11
123
AT10B11
12 34
5678
9
13 14 15
20 19 1716 10 11 1218
B55
12 7
8956 34
10 11 12
19 20 2113 14 15 16
17 18 22 23 24

4AT(H4DOTC)-91
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
W: DTC P1707 AT AWD SOLENOID VALVE CIRCUIT MALFUNCTION
DTC DETECTING CONDITION:
Output signal circuit of transfer duty solenoid is open or shorted.
TROUBLE SYMPTOM:
Tight corner “braking” phenomenon occurs or drive system changes to FWD.
WIRING DIAGRAM:
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B56) No. 4 — (B11) No. 8:Is the resistance less than 1 ΩGo to step 2.Repair the open
circuit in harness
between TCM and
transmission con-
nector.
2 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
Measure the resistance harness connector
between TCM and chassis ground.
Connector & terminal
(B56) No. 4 — Chassis ground:Is the resistance more than 1
MΩ?Go to step 3.Repair the short
circuit in harness
between TCM and
transmission con-
nector.
3 CHECK TRANSFER DUTY SOLENOID.
Measure the resistance between transmission
connector and transmission terminals.
Connector & terminal
(T4) No. 8 — No. 20:Is the resistance 2.0 — 4.5 Ω? Go to step 4.Go to step 10.
4 PREPARE SUBARU SELECT MONITOR.Do you have a Subaru Select
Monitor?Go to step 7.Go to step 5.
AT-01122
B11
B56
AT12
1
234
56
78
9
1314
15
20
19 1716 10 1112
18
4
B56
B11
AT12
T4 TCM8 512 78 956 34
10 11 12 19 20 21
29 30 31 13 14 15 16 17
27 2818
22 23 24 25 26
13
4562
TRANSMISSIONTRANSFER
DUTY
SOLENOID

4AT(H4DOTC)-95
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
 LHD model
AT-01851
E13
B122
F60
B134B55 TCM
A:B135 B:ECMB136 C:B137 D:
E3
B100
F2
B200
F74
F61
E2
B200
F74
B100
F2F60
13 14 15 16
12 34
56 78
9
10 11 12
13161415
3
111098
20
1
3
210
19
C18
C16
C35D2D1 D7
B4B12A7 A6B1
EE
12
20
19
18
7
23
16
F61
1
234
56
78
9
1314
15
20
19 1716 10 111218
JOINT CONNECTOR
THROTTLE POSITION SENSOR
F74
34 12 89
10 11
12 13 14 15 16 17 18 19 20 21 22 23 24567
F2
1234 56789
10 11 12 13 14 15 16 17 18 19 20
B134 A:
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
B55
12 7
8956 34
10 11 12
19 20 2113 14 15 16
17 18 22 23 24
B122
12345678
B136
56
782 1
94 310
24 22 23 2511 12 13
1415
26 27
2816
17 18 19 20 21
33 34 29
32 30
31 35
C:
B137
567
82 1
94 310
22 23 11 12 13 14 15
24 25
2616 17
18 19 20 21
27 28 29 30 31
D:
123
E13
B135 B:
567
82 1
94 310
24 22 23 2511 12 13 14 15
26 27
2816 17 18 19
20 21
29 30 31 32 33 34 35

4AT(H4DOTC)-101
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
 LHD model
AT-01851
E13
B122
F60
B134B55 TCM
A:B135 B:ECMB136 C:B137 D:
E3
B100
F2
B200
F74
F61
E2
B200
F74
B100
F2F60
13 14 15 16
12 34
56 78
9
10 11 12
13161415
3
111098
20
1
3
210
19
C18
C16
C35D2D1 D7
B4B12A7 A6B1
EE
12
20
19
18
7
23
16
F61
1
234
56
78
9
1314
15
20
19 1716 10 111218
JOINT CONNECTOR
THROTTLE POSITION SENSOR
F74
34 12 89
10 11
12 13 14 15 16 17 18 19 20 21 22 23 24567
F2
1234 56789
10 11 12 13 14 15 16 17 18 19 20
B134 A:
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
B55
12 7
8956 34
10 11 12
19 20 2113 14 15 16
17 18 22 23 24
B122
12345678
B136
56
782 1
94 310
24 22 23 2511 12 13
1415
26 27
2816
17 18 19 20 21
33 34 29
32 30
31 35
C:
B137
567
82 1
94 310
22 23 11 12 13 14 15
24 25
2616 17
18 19 20 21
27 28 29 30 31
D:
123
E13
B135 B:
567
82 1
94 310
24 22 23 2511 12 13 14 15
26 27
2816 17 18 19
20 21
29 30 31 32 33 34 35

4AT(H4DOTC)-107
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
 LHD model
AT-01851
E13
B122
F60
B134B55 TCM
A:B135 B:ECMB136 C:B137 D:
E3
B100
F2
B200
F74
F61
E2
B200
F74
B100
F2F60
13 14 15 16
12 34
56 78
9
10 11 12
13161415
3
111098
20
1
3
210
19
C18
C16
C35D2D1 D7
B4B12A7 A6B1
EE
12
20
19
18
7
23
16
F61
1
234
56
78
9
1314
15
20
19 1716 10 111218
JOINT CONNECTOR
THROTTLE POSITION SENSOR
F74
34 12 89
10 11
12 13 14 15 16 17 18 19 20 21 22 23 24567
F2
1234 56789
10 11 12 13 14 15 16 17 18 19 20
B134 A:
56 7
82 1
94 310
24 22 23 25 11 12 13 14 15
26 27
2816 17
18 19 20 21
33 34 29
32 30 31
B55
12 7
8956 34
10 11 12
19 20 2113 14 15 16
17 18 22 23 24
B122
12345678
B136
56
782 1
94 310
24 22 23 2511 12 13
1415
26 27
2816
17 18 19 20 21
33 34 29
32 30
31 35
C:
B137
567
82 1
94 310
22 23 11 12 13 14 15
24 25
2616 17
18 19 20 21
27 28 29 30 31
D:
123
E13
B135 B:
567
82 1
94 310
24 22 23 2511 12 13 14 15
26 27
2816 17 18 19
20 21
29 30 31 32 33 34 35