Subaru Legacy III (2000-2003 year). Manual - part 572

 

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Subaru Legacy III (2000-2003 year). Manual - part 572

 

 

AT-22

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

SUBARU SELECT MONITOR

6) Using the scroll key, move 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 SUBARU SELECT MONITOR OPERATION MANUAL.

Contents

Display

Unit of measure

Battery voltage

Battery Voltage

V

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

Throttle position signal

Throttle Sensor Voltage

V

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

%

Power supply for throttle position sensor

Throttle Sensor Power

V

Torque converter turbine speed signal

Turbine Revolution Speed

rpm

2-4 brake timing pressure control duty ratio

Brake Clutch Duty Ratio

%

Intake manifold pressure sensor voltage (Non-turbo model)

Mani. Pressure Voltage

V

Mass air flow sensor signal (Non-TURBO model)

Air Flow Sensor Voltage

V

FWD switch signal (Without VDC system and SPORT shift)

FWD Switch

ON or OFF

Stop lamp switch signal

Stop Light Switch

ON or OFF

Shift up signal (with SPORT shift)

Up Switch

ON or OFF

Shift down signal (with SPORT shift)

Down Switch

ON or OFF

SPORT shift mode (with SPORT shift)

Tip Mode Switch

ON or OFF

Anti lock brake system signal

ABS Signal

ON or OFF

Cruise control system signal

Cruise Control Signal

ON or OFF

Parking range signal

P Range Signal

ON or OFF

Neutral range signal

N Range Signal

ON or OFF

Reverse range signal

R Range Signal

ON or OFF

Drive range signal

D Range Signal

ON or OFF

3rd range signal

3rd Range Signal

ON or OFF

2nd range signal

2nd Range Signal

ON or OFF

1st range signal

1st Range Signal

ON or OFF

Shift control solenoid A

Shift Solenoid #1

ON or OFF

Shift control solenoid B

Shift Solenoid #2

ON or OFF

Torque control output signal #1

Torque Control Signal 1

ON or OFF

Torque control output signal #2

Torque Control Signal 2

ON or OFF

Torque control cut signal

Torque Control Cut Sig.

ON or OFF

2-4 brake timing control solenoid valve

2-4 Brake Timing Sol.

ON or OFF

Low clutch timing control solenoid valve

Low Clutch Timing Sol.

ON or OFF

SPORT shift mode signal (with SPORT shift)

Tip Solenoid

ON or OFF

Automatic transmission diagnosis indicator lamp

Diagnosis Lamp

ON or OFF

Power mode switch signal

Power Mode Switch

ON or OFF

Hold mode switch signal

Hold Mode Switch

ON or OFF

Kick down switch signal

Kick Down Switch

ON or OFF

Automatic transmission fluid temperature lamp

ATF Temperature Lamp

ON or OFF

AT-23

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

SUBARU SELECT MONITOR

3. CLEAR MEMORY MODE

1) On the «Main Menu» display screen, select the
{2. Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display
screen, select the {Transmission Control System}
and press the [YES] key.
3) Press the [YES] key after displayed the informa-
tion of transmission type.
4) On the «Transmission Diagnosis» display
screen, select the {Clear Memory} and press the
[YES] key.
5) When the `Done' and `Turn Ignition Switch OFF'
are shown on the display screen, turn the Subaru
Select Monitor and ignition switch to OFF.

NOTE:
For detailed operation procedure, refer to the SUB-
ARU SELECT MONITOR OPERATION MANUAL.

AT-24

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

READ DIAGNOSTIC TROUBLE CODE (DTC)

7. Read Diagnostic Trouble Code (DTC)

A: OPERATION

1. WITHOUT SUBARU SELECT MONITOR

Step

Value

Yes

No

1

PERFORM READ DIAGNOSTIC TROUBLE 
CODE (DTC).
1) Warm-up the engine.
2) Turn ignition switch to OFF.
3) Turn ignition switch to ON.
4) Start the engine.
5) Drive vehicle at speeds greater than 20 km/

h (12 MPH).

6) Stop vehicle.
7) Brake pedal depressed and move select 

lever to 1 range.

8) Turn ignition switch to OFF.
9) Turn ignition switch to ON.
10)Move select lever 2 range.
11)Move select lever 1 range.
12)Move select lever 2 range.
13)Move select lever 3 range.
14)Move select lever D range.

Does indicator light blinks at 4-Hz inter-
vals?

NOTE:

Blinks every 0.125 (1/8) seconds (until ignition
switch is turned OFF).

Indicator light blinks at every 4-
Hz interval.

Go to step 2.

Repair power sup-
ply and ground cir-
cuit.<Ref. to AT-
34, CHECK 
POWER SUPPLY 
AND GROUND 
LINE, Diagnostic 
Procedure for 
POWER Indicator 
Light.>

2

CHECK INDICATOR LIGHT.
Does indicator light blinks at 2-Hz intervals?

NOTE:

Blinks every 0.25 (1/4) seconds (until ignition
switch is turned OFF).

Indicator light blinks at every 2-
Hz interval.

AT system is nor-
mal.

Go to step 3.

3

CHECK INDICATOR LIGHT.
Is DTC indicated?

DTC is displayed.

Inspect problem 
corresponding with 
DTC.

NOTE:
Record all DTCs.

Go to step 4.

4

CHECK INDICATOR LIGHT.
Does indicator light remains illuminated?

Indicator light remains illumi-
nated.

Repair power indi-
cator light circuit 
<Ref. to AT-30, 
Diagnostic Proce-
dure for POWER 
Indicator Light.>
 , 
or Inspect inhibitor 
switch, wiring, 
TCM, etc.

Calling up trouble 
code again.

AT-25

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

READ DIAGNOSTIC TROUBLE CODE (DTC)

The POWER indicator light flashes the code corresponding to the faulty part.
The long segment (1.2 sec on) indicates a “ten”, and the short segment (0.2 sec on) signifies a “one”.

2. WITH SUBARU SELECT MONITOR

Refer to Subaru Select Monitor for information
about how to obtain and understand trouble codes.
<Ref. to AT-21, OPERATION, Subaru Select Mon-
itor.>

AT-00342

Normal code

DTC 11

DTC 11 and 23

Unit: Seconds

ON

OFF

ON

OFF

0.25

1.2

1.5

0.3

0.2

ON

OFF

1.2

1.2

1.2

1.5

0.3

0.3

0.3 0.2 0.3 0.2 0.3 0.2

0.2

 

 

 

 

 

 

 

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