Subaru Legacy 2002 Service Manual page 1835

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Automatic Transmission (Diagnostics)
H: DTC 71 SHIFT SOLENOID 1
DIAGNOSIS:
Output signal circuit of shift solenoid 1 is open or shorted.
TROUBLE SYMPTOM:
Does not shift.
WIRING DIAGRAM:
No.
1 CHECK HARNESS CONNECTOR
BETWEEN TCM AND TRANSMISSION.
1) Turn ignition switch to OFF.
2) Disconnect connector from TCM and trans-
mission.
3) Measure resistance of harness between
TCM and shift solenoid 1 connector.
Connector & terminal
(B54) No. 22 — (B11) No. 1:
S004521I17
Step
Is the resistance less than
1 Ω?
AT-66
Check Yes
Go to step 2.
TR0410
No
Repair open cir-
cuit in harness
between TCM and
transmission con-
nector.