Subaru LEGACY 2006 Manual page 3486

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Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
1 CHECK THE BODY INTEGRATED UNIT.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to the
data link connector.
3) Turn the ignition switch to ON. (engine
OFF)
4) Turn the Subaru Select Monitor switch to
ON.
5) Read the data of "SPORT shift (buzzer)" of
body integrated unit using Subaru Select Moni-
tor.
2 CHECK COMBINATION METER.
<Ref. to IDI-3, INSPECTION, Combination
Meter System.>
Check
Is the SPORT shift buzzer dis-
play "ON"?
Is the buzzer OK?
4AT(diag)-100
Yes No
Replace the TCM. Go to step 2.
<Ref. to 4AT-62,
Transmission Con-
trol Module
(TCM).>
Perform Diagnos- Replace the com-
tics with Phenom- bination meter
enon. <Ref. to assembly. <Ref. to
4AT(diag)-101, IDI-14, Combina-
Diagnostics with tion Meter.>
Phenomenon.>