Subaru Legacy IV (2008 year). Manual - part 699

4AT(diag)-17

Subaru Select Monitor

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

2. READ CURRENT DATA

1) On the «Main Menu» display, select the {Each System Check}.
2) On the «System Selection Menu» display, select the {Transmission Control System}.
3) After transmission type information pops up, select [OK].
4) On the «Transmission Diagnosis» display, select the {Current Data Display & Save}.
5) On the «Current Data Display & Save» display, select the {Normal sampling}.
6) Using the scroll key, scroll the display screen up or down until the desired data is shown.
A list of the support data is shown in the following table.

NOTE:
For detailed operation procedure, refer to the “PC application help for Subaru Select Monitor”.

Contents

Display

Unit of measure

Battery voltage

Battery Voltage

Rear vehicle speed sensor signal

Rear Wheel Speed

km/h or MPH

Front vehicle speed sensor signal

Front Wheel Speed

km/h or MPH

Engine speed signal

Engine Speed

rpm

Automatic transmission fluid temperature signal

ATF Temp.

°C or °F

Accelerator pedal position sensor

Throttle Sensor Voltage

Gear position

Gear Position

—

Line pressure control duty ratio

Line Pressure Duty Ratio

Lock up clutch control duty ratio

Lock Up Duty Ratio

Transfer clutch control duty ratio

Transfer Duty Ratio

Accelerator pedal position sensor power supply

Throttle Sensor Power

Torque converter turbine speed signal

Turbine Revolution Speed

rpm

2-4 brake timing pressure control duty ratio

Brake Clutch Duty Ratio

Low clutch duty ratio

Low Clutch Duty

High clutch duty ratio

High Clutch Duty

Low & reverse brake duty ratio

L&R B Duty

Accelerator position

Accel. Opening Angle

FWD switch signal

FWD Switch

ON or OFF

Stop light switch signal

Stop Light Switch

ON or OFF

Anti lock brake system signal

ABS Signal

ON or OFF

Parking range signal

“P” Range

ON or OFF

Neutral range signal

“N” Range

ON or OFF

Reverse range signal

R Range Signal

ON or OFF

Drive range signal

D Range Signal

ON or OFF

AT diagnosis light output signal

Diagnosis Lamp

ON or OFF

Cruise control signal

Cruise Control Signal

ON or OFF

ATF temperature light

ATF Temperature Lamp

ON or OFF

Up shift signal

Up Switch

ON or OFF

Down shift signal

Down Switch

ON or OFF

Sport mode signal

Tiptronic Mode Switch

ON or OFF

4AT(diag)-18

Subaru Select Monitor

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

3. CLEAR MEMORY MODE

1) Shift the select lever to “P” range.
2) On the «Main Menu» display, select the {Each
System Check}.
3) On the «System Selection Menu» display, select
the {Transmission Control System}.
4) After transmission type information pops up, se-
lect [OK].
5) On the «Transmission Diagnosis» display, se-
lect the {Clearing Memory}.
6) When “Done. Turn ignition switch OFF” pops up,
select [OK].
7) Turn Subaru Select Monitor and ignition switch
to OFF. To turn the ignition switch to ON again, wait
for 10 seconds or more.

NOTE:
• If {Clear Memories 2} is selected and performed,
DTC and learned control memory are cleared. If
{Clear Memories 2} is performed, perform learning
control promotion. <Ref. to 4AT(diag)-18, FACILI-
TATION OF LEARNING CONTROL, OPERA-
TION, Subaru Select Monitor.>
• For detailed operation procedure, refer to the
“PC application help for Subaru Select Monitor”.

4. FACILITATION OF LEARNING CONTROL

NOTE:
• Follow the messages displayed on the Subaru
Select Monitor when working.
• When the following work is performed, perform
learning control for the transmission.
Replacement of TCM/Replacement or disassembly
of transmission assembly/Replacement of control
valve body/Performing “Clear Memories 2” is exe-
cuted.
1) Warm up or cool down until the ATF temperature
displayed on the Subaru Select Monitor is 60 —
80°C (140 — 176°F).
2) Shift the select lever to “P” range.
3) Fully apply the parking brake.
4) Lift up the vehicle.

CAUTION:
Be sure to keep the lowest edge of the tires 30
cm or more off the ground because the vehicle
vibrates during the work.
5) Connect the Subaru Select Monitor to data link
connector.
6) Turn the ignition switch to ON.
7) Turn off all switches causing an electrical load,
such as headlights, A/C, seat heater and rear de-
fogger.
8) On vehicles equipped with an ECO switch, turn
the ECO switch to ON. On vehicles equipped with
an SPORT mode, turn the SPORT mode OFF. On
vehicles equipped with an POWER/HOLD switch,
turn the POWER/HOLD switch to OFF. On vehicles
equipped with SI-DRIVE, set to I mode.

NOTE:
Error message is not displayed even when an in-
correct mode is set. While the operation is contin-
ued, “AT learning promoting” is displayed, but it
cannot end normally. If the message does not
change after 2 minutes have passed, retry “AT
learning mode” from the beginning.

CAUTION:
Do not turn the power of the Subaru Select
Monitor OFF and do not disconnect the data
link connector during the operation.
9) Select {AT related learning/inspection mode} in
the «Transmission Diagnosis» screen of the Suba-
ru Select Monitor.
10) Select {AT learning mode} in the «AT related
learning/inspection mode» screen of the Subaru
Select Monitor.

4AT(diag)-19

Subaru Select Monitor

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

11) Follow the messages displayed on the Subaru
Select Monitor screen when working.

NOTE:
During AT learning in progress, SPORT indicator
light in the combination meter starts flashing at 2
Hz and the learning operation starts. The following
message is displayed on the screen when the
SPORT indicator light turns off.
12) AT simple learning is complete when the mes-
sage “AT learning normally ended” is displayed.

NOTE:
• If a communication error occurs during learning,
restart the “AT learning mode” over from the begin-
ning.
• If the message “Execute AT learning again after
fixing troubles of the vehicle” is displayed during
learning, select [OK] to display the List of Diagnos-
tics Trouble Code. After repairing the locations in-
dicated by the DTC, start the “AT learning mode”
over from the beginning.
• If the message “AT learning ended abnormally”
is displayed, start the “AT learning mode” over from
the beginning.
• When communication error occurs during learn-
ing, select lever does not shift occasionally. If se-
lect lever does not shift, turn the ignition to OFF and
operate the lever.

• For detailed operation procedure, refer to the
“PC application help for Subaru Select Monitor”.

Message

Main cause of abnormal incompletion

“AT learning ended abnormally”

• A malfunction was detected during AT learning
• The accelerator pedal was pressed during AT learning
• An unspecified operation was performed during AT learning
• Brake pedal not stepped on firmly enough.
• Parking brake not applied strongly enough.
• Abnormal idle speed increase, etc.

4AT(diag)-20

Read Diagnostic Trouble Code (DTC)

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

7. Read Diagnostic Trouble

Code (DTC)

A: OPERATION

Refer to “Subaru Select Monitor” for information on
how to display a DTC. <Ref. to 4AT(diag)-16, OP-
ERATION, Subaru Select Monitor.>
For details concerning DTCs, refer to “List of Diag-
nostic Trouble Code (DTC)”. <Ref. to 4AT(diag)-
30, List of Diagnostic Trouble Code (DTC).>

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