Subaru Legacy 2004 Service Manual page 2572

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
11 CHECK INPUT SIGNAL FOR TCM USING
CIRCUIT TESTER.
1) Connect all the connectors.
2) Lift-up the vehicle and support with rigid
racks.
NOTE:
Raise all wheels off floor.
3) Start the engine, and drive the vehicle.
4) Measure the voltage between TCM termi-
nals.
Connector & terminal
(B55) No. 7 (+) — (B54) No. 19 (
5) Stop the vehicle, and shift the select lever
to "P" range.
6) Measure the voltage between TCM termi-
nals.
Connector & terminal
(B55) No. 7 (+) — (B54) No. 19 (
NOTE:
The speed difference between front and rear
wheels may light the ABS warning light, but this
indicates no malfunction. When AT control di-
agnosis is finished, perform the ABS memory
clearance procedure of on-board diagnostics
system. <Ref. to ABS(diag)-27, Clear Memory
Mode.>
Check
Does the voltage change
within the range of 2 — 3 V
when vehicle is driving? Is the
voltage less than 0.5 V or more
than 4.5 V constantly when the
vehicle is parked with "P"
range?
$
):
$
):
5AT(diag)-113
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Yes
Even if the SPORT
indicator lights
blinks, the system
is in normal condi-
tion.
A temporary poor
contact of connec-
tor or harness may
be the cause.
Repair harness or
contact in the ATF
temperature sen-
sor and transmis-
sion connector.
No
Replace the trans-
mission harness.