Electrical Specification

Courtesy of SUBARU OF AMERICA, INC.

CAUTION: Use the check board when measuring the TCM terminal.

NOTE: Measure after warming up.

Terminal No.	Content	Measuring condition	Standard	Note
1 ↔ Chassis ground	ATF temperature sensor GND	Always	0 V	-
2 ↔ Chassis ground	Secondary pressure sensor GND	Always	0 V	-
5 ↔ 2	Secondary pressure sensor	Ignition switch ON, engine OFF	Approx. 0.5 V (0 MPa)	Value increases with increase of engine load. (0.5-4.5 V)
5 ↔ 2	Secondary pressure sensor	Engine ON and idle	Approx. 1.0 V (1.0 MPa)	Value increases with increase of engine load. (0.5-4.5 V)
6 ↔ 1	ATF temperature sensor	ATF temperature at 20°C (68°F)	Approx. 2.5 V	Approx. 2.5 kΩ
6 ↔ 1	ATF temperature sensor	ATF temperature at 80°C (176°F)	Approx. 0.7 V	Approx. 330 Ω
8 ↔ 26 or 42	Main power supply	Ignition switch ON	Battery voltage	-
12 ↔ 26 or 42	Turbine speed sensor	Engine ON, "P" or "N" range	0 or 5 V	Refer to the waveform (SENSOR )
13 ↔ 26 or 42	Secondary speed sensor	While driving	0 or 5 V	Refer to the waveform (SENSOR )
14 ↔ 26 or 42	Primary speed sensor	While driving	0 or 5 V	Refer to the waveform (SENSOR )
15 ↔ 26 or 42	Lock-up duty solenoid	Lock-up ON	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (5 ))	Resistance: Approx. 10-13.5 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
16 ↔ 26 or 42	F & R solenoid	Engine ON	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (1 ))	Resistance: Approx. 4-6 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
18 ↔ 26 or 42	Manual mode DOWN switch	Ignition switch ON, Manual mode down switch ON	0 V	-
18 ↔ 26 or 42	Manual mode DOWN switch	Ignition switch ON, Manual mode down switch OFF	Battery voltage	-
19 ↔ 26 or 42	Manual mode UP switch	Ignition switch ON, Manual mode up switch ON	0 V	-
19 ↔ 26 or 42	Manual mode UP switch	Ignition switch ON, Manual mode up switch OFF	Battery voltage	-
20 ↔ 26 or 42	Lo/Manual mode switch	Ignition switch ON, L range switch/Manual mode switch ON	0 V	-
20 ↔ 26 or 42	Lo/Manual mode switch	Ignition switch ON, L range switch/Manual mode switch OFF	Battery voltage	-
24 ↔ 26 or 42	Main power supply	Ignition switch ON	Battery voltage	-
26 ↔ Chassis ground	GND	Always	0 V	-
29 ↔ 26 or 42	Stop light switch	Stop light switch ON	Battery voltage	-
29 ↔ 26 or 42	Stop light switch	Stop light switch OFF	0 V	-
30 ↔ 26 or 42	Primary DOWN solenoid	Engine ON, while DOWN shifting	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (4 ))	Resistance: Approx. 10-13.5 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
32 ↔ 26 or 42	Secondary solenoid	Engine ON	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (2 ))	Resistance: Approx. 5-7 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
33 ↔ 2	Secondary pressure sensor power supply output	Ignition switch ON	5 V	-
34 ↔ 26 or 42	Backup power supply	Always	Battery voltage	-
35 ↔ 26 or 42	D range switch	Ignition switch ON, D range	0 V	-
35 ↔ 26 or 42	D range switch	Ignition switch ON, other than D range	Battery voltage	-
36 ↔ 26 or 42	N range switch	Ignition switch ON, N range	0 V	-
36 ↔ 26 or 42	N range switch	Ignition switch ON, other than N range	Battery voltage	-
37 ↔ 26 or 42	R range switch	Ignition switch ON, R range	0 V	-
37 ↔ 26 or 42	R range switch	Ignition switch ON, other than R range	Battery voltage	-
38 ↔ 26 or 42	P range switch	Ignition switch ON, P range	0 V	-
38 ↔ 26 or 42	P range switch	Ignition switch ON, other than P range	Battery voltage	-
40 ↔ 26 or 42	Main power supply	Ignition switch ON	Battery voltage	-
41 ↔ 26 or 42	Ignition switch	Ignition switch ON	Battery voltage	-
42 ↔ Chassis ground	GND	Always	0 V	-
43	CAN communication line (+)	-	-	-
44	CAN communication line (-)	-	-	-
47 ↔ 26 or 42	Primary UP solenoid	Engine ON, while UP shifting	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (3 ))	Resistance: Approx. 10-13.5 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
48 ↔ 26 or 42	AWD solenoid	Engine ON, "P" or "N" range	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (6 ))	Resistance: Approx. 2-4.5 Ω Resistance value at 20°C (68°F). Value is higher as the temperature increase.
48 ↔ 26 or 42	AWD solenoid	Engine ON, "D" range, brake ON	Refer to the waveform (SOLENOID (WAVEFORMS 1-7) (7 ))