Subaru IMPREZA 2002 Service Manual page 158

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
I
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
G: DTC 38 TORQUE CONTROL SIGNAL
DIAGNOSIS:
The signal circuit
is
open
or
shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
: NON-TURBO MODEL
I
.TURBO MODEL
I
TR0579
Step
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
Non-turbo model
(854) NO. 21
-
(8134) NO. 17:
(854) NO. 13
-
(8134) NO. 16:
(B56) NO. 14
-
(8135) NO. 18:
(856) NO. 5
-
(8135) NO. 19:
1
Turbo model
Check
I
I s
the resistance less than 1
Go to step 2.
Repair open circuit
in harness
between TCM and
t
ECM connector.
AT-66