AUTOMATIC TRANSMISSION (DIAGNOSTICS)(4AT)(D) > Transmission Control Module (TCM) I/O Signal

ELECTRICAL SPECIFICATION

NOTE:

This section is specified for turbo model.

Check with ignition switch ON.

Resistance (Ω)

Contents

Measured terminal (Connector & Terminal No.)

Measuring condition

Voltage (V)

Positive terminal

Ground terminal

Backup power supply

(B54) No. 25

Chassis ground

10 — 13

(B54) No. 26

Chassis ground

(B54) No. 27

Chassis ground

ACC power supply

(B54) No. 12

Chassis ground

Ignition switch ACC

10 — 13

Ignition power supply

(B54) No. 1

Chassis ground

Ignition switch ON

10 — 13

(B54) No. 2

Chassis ground

Inhibitor switch

“P” range switch

(B55) No. 14

Chassis ground

Select lever in “P” range

Less than 1

Select lever in any other than “P” range

8 or more

“N” range switch

(B55) No. 11

Chassis ground

Select lever in “N” range

Less than 1

Select lever in any other than “N” range

8 or more

“R” range switch

(B55) No. 13

Chassis ground

Select lever in “R” range

Less than 1

Select lever in any other than “R” range

8 or more

“D” range switch

(B55) No. 10

Chassis ground

Select lever in “D” range

Less than 1

Select lever in any other than “D” range

8 or more

“3” range switch

(B55) No. 8

Chassis ground

Select lever in “3” range

Less than 1

Select lever in any other than “3” range

8 or more

“2” range switch

(B55) No. 7

Chassis ground

Select lever in “2” range

Less than 1

Select lever in any other than “2” range

8 or more

“1” range switch

(B55) No. 19

Chassis ground

Select lever in “1” range

Less than 1

Select lever in any other than “1” range

8 or more

Brake switch

(B55) No. 20

Chassis ground

When brake pedal is depressed.

10.5 or more

When brake pedal is released.

Less than 1

ATF temperature sensor

(B55) No. 23

(B54) No. 9

ATF temperature 20°C (68°F)

3.5 — 4.3

2.5k — 7.0 k

ATF temperature 80°C (176°F)

1.0 — 2.2

300 — 800

ATF temperature sensor ground

(B55) No. 12

Chassis ground

0

Less than 1 (When inserting connector)

∞ (When disconnecting connector)

Rear vehicle speed sensor

(B55) No. 26

(B55) No. 15

Vehicle stopped

0

Vehicle speed at least 20 km/h (12 MPH)

2 or more (AC range)

Rear vehicle speed sensor ground

(B55) No. 15

Chassis ground

0

Less than 1 (When inserting connector)

∞ (When disconnecting connector)

Front vehicle speed sensor

(B55) No. 27

(B55) No. 16

Vehicle stopped

0

450 — 750

Vehicle speed at least 20 km/h (12 MPH)

1 or more (AC range)

Front vehicle speed sensor ground

(B55) No. 16

Chassis ground

Torque converter turbine speed sensor

(B51) No. 7

(B51) No. 2

Engine idling after warm-up (“D” range)

0

450 — 650

Engine idling after warm-up (“N” range)

1 or more (AC range)

Torque converter turbine speed sensor ground

(B55) No. 2

Chassis ground

Engine speed signal

(B54) No. 11

Chassis ground

Ignition switch ON (engine OFF)

Less than 1

Ignition switch ON (engine ON)

5 or more (AC range)

Vehicle speed output signal

(B55) No. 21

Chassis ground

Vehicle speed at least 10 km/h (6 MPH)

Less than 1 ← →4 or more

Line pressure linear solenoid

(B55) No. 4

(B55) No. 3

Ignition switch ON (engine OFF)

“R” range throttle fully closed after engine warm-up.

3.7 — 7.7

4.0 — 6.0

Ignition switch ON (engine OFF)

“R” range throttle fully open after engine warm-up.

1.1 — 5.1

Line pressure linear solenoid ground

(B55) No. 3

Chassis ground

Less than 1

Less than 1

Lock-up duty solenoid

(B55) No. 6

Chassis ground

When lock up occurs.

10.5 or more

2.0 — 4.5

When lock up is released.

Less than 1

Transfer duty solenoid (Model with MPT)

(B55) No. 5

Chassis ground

With fuse installed to FWD switch

Less than 1

2.0 — 4.5

With fuse removed from FWD switch

2.0 — 3.0

Transfer duty solenoid (Model with VTD)

(B55) No. 5

Chassis ground

“P” or “N” range

Less than 1

2.0 — 4.5

Throttle fully open.

5.0 or more

2-4 brake duty solenoid

(B54) No. 4

Chassis ground

“P” or “N” range

5.0 or more

2.0 — 4.5

2nd or 4th gear

Less than 1

High clutch duty solenoid

(B54) No. 6

Chassis ground

3rd or 4th gear

Less than 1

2.0 — 4.5

“P” or “N” range

5.0 or more

Low clutch duty solenoid

(B54) No. 7

Chassis ground

1st or 2nd gear

Less than 1

2.0 — 4.5

“P” or “N” range

5.0 or more

Low & reverse duty solenoid

(B54) No. 5

Chassis ground

Except “1” range

5.0 or more

2.0 — 4.5

Driving at 1st gear on manual mode (15 km/h (9.3 MPH) or more)

2.5 — 5.0

Range lock signal

(B54) No. 3

Chassis ground

“D” range vehicle speed

0 km/h (0 mile/h)

10.5 or more

7 — 18

“D” range vehicle speed

20 km/h (12 miles/h)

Less than 1

Data link signal (Subaru Select Monitor)

(B54) No. 8

Chassis ground

CAN communication signal (+)

(B55) No. 18

Chassis ground

Ignition switch ON

Pulse signal

CAN communication signal (−)

(B55) No. 17

Chassis ground

Ignition switch ON

Pulse signal

Combination meter

(B55) No. 22

Chassis ground

Ignition switch ON

Pulse signal

FWD switch

(B55) No. 17

Chassis ground

Fuse removed

10.5 or more

Fuse installed

1 or less

Sport shift mode switch

(B54) No. 17

Chassis ground

Ignition switch ON

Sport shift mode switch ON

Less than 1

Ignition switch ON

Sport shift mode switch OFF

8 or more

Sport shift up switch

(B54) No. 19

Chassis ground

Ignition switch ON

Sport shift up switch ON

Less than 1

Ignition switch ON

Sport shift mode switch OFF

8 or more

Sport shift down switch

(B54) No. 18

Chassis ground

Ignition switch ON

Sport shift down switch ON

Less than 1

Ignition switch ON

Sport shift mode switch OFF

8 or more

Buzzer

(B54) No. 14

Chassis ground

ON

Less than 1

OFF

9 or more

Snow hold mode switch

(B55) No. 9

Chassis ground

Snow hold mode switch ON

Less than 1.5

Snow hold mode switch OFF

6.0 or more

Power mode switch

(B54) No. 9

Chassis ground

Power hold mode switch ON

Less than 1

Power hold mode switch OFF

8 or more

Power mode indicator light

(B54) No. 16

Chassis ground

Power mode switch ON

Less than 1

Power mode switch OFF

9 or more

AT OIL TEMP warning light

(B54) No. 15

Chassis ground

When light is ON

Less than 1

When light is OFF

9 or more

System ground circuit

(B54) No. 20

Chassis ground

0

Less than 1

(B54) No. 21

Chassis ground

(B54) No. 22

Chassis ground

(B54) No. 23

Chassis ground