2004 SUBARU FORESTER Service Repair Manual

Page 2681 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-105
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
16 CHECK INPUT SIGNAL FOR TCM.
1) Connect the connectors to TCM, accelera-
tor pedal positio

Page 2682 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-106
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Z: DTC P1714 THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT
DTC DETECTING CONDITION:
 Power

Page 2683 of 2870

SUBARU FORESTER 2004  Service Repair Manual 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

Page 2684 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-108
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
 RHD model
AT-01852
B55
12 7
8956 34
10 11 12
19 20 2113 14 15 16
17 18 22 23 24
E13
B122
B

Page 2685 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-109
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step Check Yes No
1 CHECK HARNESS CONNECTOR BETWEEN 
TCM AND THROTTLE POSITION SENSOR 
OR AC

Page 2686 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-110
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AA:DTC P1718 CAN COMMUNICATION CIRCUIT
DTC DETECTING CONDITION:
Input signal circuit of TCM

Page 2687 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-111
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
3 CHECK HARNESS CONNECTOR BETWEEN 
TCM AND ECM.
Measure the resistance of harness between 
T

Page 2688 of 2870

SUBARU FORESTER 2004  Service Repair Manual 4AT(H4DOTC)-112
AUTOMATIC TRANSMISSION (DIAGNOSTIC)
Diagnostic Procedure without Diagnostic Trouble Code (DTC)
14.Diagnostic Procedure without Diagnostic Trouble Code (DTC)
A: CHECK FWD SWITCH
DIAGNOS