Subaru 2003 LEGACY Service Manual page 110

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
8 CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1) Connect connectors to TCM and transmis-
sion.
2) Connect Subaru Select Monitor to data link
connector.
3) Turn ignition switch to ON (engine OFF)
and turn Subaru Select Monitor switch to
ON.
4) Shift select lever to D and open throttle fully
(vehicle speed 0 km/h or 0 MPH).
5) Read data of transfer duty solenoid using
Subaru Select Monitor.
•Transfer duty solenoid is indicated in "%".
Is transfer duty solenoid data within the
specified range?
9 CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1) Move select lever to "N" with throttle fully
closed (vehicle speed 0 km/h or 0 MPH).
2) Read data of transfer duty solenoid using
Subaru Select Monitor.
•Transfer duty solenoid is indicated in "%".
Is transfer duty solenoid data within the
specified range?
10 CHECK OUTPUT SIGNAL EMITTED FROM
TCM USING SUBARU SELECT MONITOR.
1) Connect connectors to TCM and transmis-
sion.
2) Connect Subaru Select Monitor to data link
connector.
3) Turn ignition switch to ON (engine OFF)
and turn Subaru Select Monitor switch to
ON.
4) Shift select lever to D and open throttle fully
(vehicle speed 0 km/h or 0 MPH).
5) Read data of transfer duty solenoid using
Subaru Select Monitor.
•Transfer duty solenoid is indicated in "%".
Is transfer duty solenoid data within the
specified range?
Step Value
5 — 10%
Approx. 60 — 70%
80 — 95%
AT-108
Yes
Go to step 9. Go to step 12.
Even if "POWER" Go to step 12.
indicator lights up,
the circuit has
returned to a nor-
mal condition at
this time. A tempo-
rary poor contact
of the connector or
harness may be
the cause. Repair
harness or con-
nector in the trans-
fer duty solenoid
and TCM connec-
tor.
Go to step 11. Go to step 12.
No