Subaru Legacy (2005 year). Manual - part 606

 

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Subaru Legacy (2005 year). Manual - part 606

 

 

5AT(diag)-15

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Transmission Control Module (TCM) I/O Signal

H&LR/C oil pressure 
switch input

B55

8

While driving at 2nd of 
manual mode

Power supply 
voltage

—

While driving at 3rd — 5th 
of manual mode

Approx. 0 V

Front vehicle speed sen-
sor input

B55

7

While driving at 2nd and 
20 km/h (12 MPH) of man-
ual mode

Approx. 140 — 
170 rpm

—

While driving at 4th and 80 
km/h (50 MPH) of manual 
mode

Approx. 560 — 
680 rpm

Lateral G sensor power 
supply

B55

6

Ignition switch ON

4.75 — 5.25 V

—

Lateral G sensor signal 
input

B55

5

Ignition switch ON, Engine 
ON, Flat value

2.0 — 3.0 V

—

Inhibitor switch 1 input

B55

4

Ignition switch ON, “P” 
range

4.0 — 5.0 V

—

Ignition switch ON, “N” 
range

1.5 V or less

Inhibitor switch 2 input

B55

3

Ignition switch ON, “P” 
range

4.0 — 5.0 V

—

Ignition switch ON, “D” 
range

1.5 V or less

Accessory power supply

B55

2

Accessory switch ON

Power supply 
voltage

—

Accessory switch OFF

Approx. 0 V

Ignition power supply

B55

1

Ignition switch ON

Power supply 
voltage

—

Ignition switch OFF

Approx. 0 V

Rear vehicle speed sen-
sor input

B55

18

While driving at 2nd and 
20 km/h (12 MPH) of man-
ual mode

Approx. 190 — 
230 rpm

—

While driving at 4th and 80 
km/h (50 MPH) of manual 
mode

Approx. 760 — 
920 rpm

Fr/B oil pressure switch 
input

B55

17

Ignition switch ON, Engine 
ON, While driving at other 
than 4th

Approx. 0 V

—

Ignition switch ON, Engine 
ON, While driving at 4th

Power supply 
voltage

Turbine speed sensor 1 
input

B55

16

2nd of manual mode, Tur-
bine speed sensor is 
2,000 rpm (Read from 
Subaru Select Monitor)

Approx. 0 rpm

—

Use the Subaru 
Select Monitor.

4th of manual mode, Tur-
bine speed sensor is 
2,000 rpm (Read from 
Subaru Select Monitor)

Approx. 1,900 
— 2,100 rpm

Use the Subaru 
Select Monitor.

Range lock solenoid out-
put

B55

15

Ignition switch ON, While 
stopping at “D” range

Approx. Power 
Supply Voltage 
− 1.2 V

7 — 21 

Ω

Ignition switch ON, Vehicle 
speed at least 20 km/h (12 
MPH)

Approx. 0 V

Item

Connector 

No.

Ter-

min

al 

No.

Measuring conditions

Voltage (V)

Resistance 

between termi-

nal and chassis 

ground

Remarks

5AT(diag)-16

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Transmission Control Module (TCM) I/O Signal

Inhibitor switch 3 input

B55

14

Ignition switch ON, “R” 
range

4.0 — 5.0 V

—

Ignition switch ON, “D” 
range

1.5 V or less

Inhibitor switch 4 input

B55

13

Ignition switch ON, “P” 
range

4.0 — 5.0 V

—

Ignition switch ON, “D” 
range

1.5 V or less

Control valve communi-
cation line

B55

12

—

—

—

Back-up light relay out-
put

B55

11

Ignition switch ON, “R” 
range

1.5 V

Approx. 90 — 
110 

Ω (ATF tem-

perature 25

°C 

(77

°F))

Ignition switch ON, Other 
than “R” range

Power supply 
voltage

Ignition power supply

B55

10

Ignition switch ON

Power supply 
voltage

—

Ignition switch OFF

Approx. 0 V

AWD solenoid output

B55

23

Engine ON, “P” range or 
“N” range, Accelerator 
OFF

Approx. 0 V

3 — 9 

Ω (ATF 

temperature 
20

°C (68°F))

Driving fre-
quency 750 — 
850 Hz

Engine ON, “D” range, 
Accelerator OFF, Brake 
ON

Approx. 2.0 — 
3.0 V

Turbine speed sensor 2 
input

B55

22

2nd of manual mode, Tur-
bine speed sensor is 
2,000 rpm (Read from 
Subaru Select Monitor)

Approx. 1,300 
— 1,500 rpm

Use the Subaru 
Select Monitor.

4th of manual mode, Tur-
bine speed sensor is 
2,000 rpm (Read from 
Subaru Select Monitor)

Approx. 1,900 
— 2,100 rpm

—

Use the Subaru 
Select Monitor.

Control GND

B55

21

Always

Approx. 0 V

—

Inhibitor switch 3 open 
circuit monitor input

B55

20

Ignition switch ON, “R” 
range

4.0 — 5.0 V

—

Ignition switch ON, “D” 
range

1.5 V or less

PN signal output

B55

19

Ignition switch ON, Other 
than “P” range or “N” 
range

Power supply 
voltage

—

ECM should 
connected cor-
rectly

Ignition switch ON, “P” 
range or “N” range

0 — 1.0 V

—

Item

Connector 

No.

Ter-

min

al 

No.

Measuring conditions

Voltage (V)

Resistance 

between termi-

nal and chassis 

ground

Remarks

5AT(diag)-17

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Subaru Select Monitor

6. Subaru Select Monitor

A: OPERATION

1. READ DIAGNOSTIC TROUBLE CODE 
(DTC)

1) Prepare the Subaru Select Monitor kit.

2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge to Subaru Select Monitor.
<Ref. to 5AT(diag)-6, PREPARATION TOOL, Gen-
eral Description.>

4) Connect the Subaru Select Monitor to data link
connector.

(1) Data link connector is located in the lower
portion of instrument panel (on the driver’s side).

(2) Connect the diagnosis cable to data link
connector.

NOTE:
Do not connect scan tools except Subaru Select
Monitor.
5) Turn the ignition switch to ON (engine OFF), and
turn the Subaru Select Monitor power switch to ON.

6) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
7) On the «System Selection Menu» display
screen, select the {Transmission} and press the
[YES] key.
8) Press the [YES] key after the information of
transmission type is displayed.
9) On the «Transmission Diagnosis» display
screen, select the {Diagnosis Code(s) Display} and
press [YES] key.

NOTE:
• For details concerning operation procedure, re-
fer to the SUBARU SELECT MONITOR OPERA-
TION MANUAL.
• For details concerning DTCs, refer to the List of
Diagnostic Trouble Code (DTC). <Ref. to 5AT(di-
ag)-31, List of Diagnostic Trouble Code (DTC).>

2. READ CURRENT DATA

1) On the «Main Menu» display screen, select the
{Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display
screen, select the {Transmission} and press the
[YES] key.
3) Press the [YES] key after the information of
transmission type is displayed.
4) On the «Transmission Diagnosis» display
screen, select the {Current Data Display & Save}
and then press the [YES] key.
5) On the «Transmission Diagnosis» display
screen, select the {Data Display} and press the
[YES] key.

(1) Data link connector

AT-00338

AT-00339

AT-01712

(1)

(A) Power switch

(A)

AT-00341

5AT(diag)-18

AUTOMATIC TRANSMISSION (DIAGNOSTICS)

Subaru Select Monitor

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.

Item

Display

Unit of measure

Engine speed signal

Engine speed

rpm

Battery voltage

Battery Voltage

V

Accel. Pedal Position Sensor

Accel. opening angle

%

Front vehicle speed sensor signal

Front Wheel Speed

km/h

Gear position

Gear Position

—

Turbine speed sensor signal

Turbine Revolution Speed

rpm

Rear vehicle speed sensor signal

Rear Wheel Speed

km/h

Lateral G sensor

Lateral G sensor

V

ATF Temperature Sensor 1 Signal

ATF Temp.

°C

ATF Temperature Sensor 2 Signal

ATF Temperature 2

°C

Turbine speed sensor 1 signal

AT Turbine Speed 1

rpm

Turbine speed sensor 2 signal

AT Turbine Speed 2

rpm

High & Low Reverse Clutch Solenoid Indicator Current

H&LR/C Solenoid Current

A

Direct Clutch Solenoid Indicator Current

D/C Solenoid Current

A

Front Brake Solenoid Indicator Current

F/B Solenoid Current

A

Input Clutch Solenoid Indicator Current

I/C Solenoid Current

A

Line Pressure Solenoid Indicator Current

P/L Solenoid Current

A

Lock-up Solenoid Indicator Current

L/U Solenoid Current

A

Transfer Solenoid Indicator Current

AWD Sol. Current

A

High & Low Reverse Clutch Solenoid Target Oil Pressure

H&LR/C Solenoid Pressure

kPa

Direct Clutch Solenoid Target Oil Pressure

D/C Solenoid Pressure

kPa

Front Brake Solenoid Target Oil Pressure

F/B Solenoid Pressure

kPa

Input Clutch Solenoid Target Oil Pressure

I/C Solenoid Pressure

kPa

Line Pressure Solenoid Target Oil Pressure

P/L Solenoid Pressure

kPa

Lock-up Solenoid Target Oil Pressure

L/U Solenoid Pressure

kPa

Transfer Solenoid Target Oil Pressure

4WD Solenoid Pressure

kPa

Ignition switch

Ignition Switch

ON Input or OFF Input

Tip signal

Tip Mode Switch

ON or OFF

Cruise control On signal

Cruise Control Signal

ON or OFF

Tip Down Shift Signal

Down Switch

ON or OFF

Stop light switch signal

Stop Light Switch

ON or OFF

Tip Up Shift Signal

Up Switch

ON or OFF

Drive range signal

D Range Signal

ON or OFF

Reverse range signal

R Range Signal

ON or OFF

Diagnosis Light Output Signal

Diagnosis Lamp

ON or OFF

Shift lock solenoid signal

Shift lock solenoid

ON or OFF

Parking range signal

“P” Range

ON or OFF

P/N Range Output Signal

P/N Signal

ON or OFF

Neutral range signal

“N” Range

ON or OFF

Inhibitor Switch 1 Input Signal

Inhibitor SW1

High or Low

Inhibitor Switch 2 Input Signal

Inhibitor SW2

High or Low

Inhibitor Switch 3 Input Signal

Inhibitor SW3

High or Low

Inhibitor Switch 4 Input Signal

Inhibitor SW4

High or Low

Inhibitor Switch 3 Monitor Input Signal

Inhibitor SW3 Monitor

High or Low

Back Lamp relay output signal

Back Lamp relay

ON or OFF

High & Low Reverse Clutch Fluid Pressure Switch Input Signal

H&LR/C Fluid Pressure

ON or OFF

Direct Clutch Fluid Pressure Switch Input Signal

D/C Fluid Pressure

ON or OFF

Front Brake Fluid Pressure Switch Input Signal

Fr/B Fluid Pressure

ON or OFF

Input Clutch Fluid Pressure Switch Input Signal

I/C Fluid Pressure

ON or OFF

 

 

 

 

 

 

 

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