TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
Engine (Diagnostics)
S058506
7. Transmission Control Module (TCM) I/O Signal
A: ELECTRICAL SPECIFICATION
S058506A08
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Check with ignition switch ON.
Content
Connec­tor No.
Terminal No.
Measuring conditions
Voltage (V)
Resistance to body (ohms)
Back-up power supply
B56
1
Ignition switch OFF
10- 16
-
Ignition power supply
B54
23
Ignition switch ON (with engine OFF)
10- 16
-
B54
24
Inhibitor switch
"P" range switch
B55
1
Select lever in "P" range
Less than 1
-
Select lever in any other than "P" range (except "N" range)
More than 8
"N" range switch
B55
14
Select lever in "N" range
Less than 1
-
Select lever in any other than "N" range (except "P" range)
More than 8
"R" range switch
B55
3
Select lever in "R" range
Less than 1
-
Select lever in any other than "R" range
More than 9.5
"D" range switch
B55
4
Select lever in "D" range
Less than 1
-
Select lever in any other than "D" range
More than 9.5
"3" range switch
B55
5
Select lever in "3" range
Less than 1
-
Select lever in any other than "3" range
More than 9.5
"2" range switch
B55
6
Select lever in "2" range
Less than 1
-
Select lever in any other than "2" range
More than 9.5
"1" range switch
B55
7
Select lever in "1" range
Less than 1
-
Select lever in any other than "1" range
More than 9.5
Brake switch
B55
12
Brake pedal depressed.
More than 10.5
-
Brake pedal released.
Less than 1
ABS signal
B55
21
ABS switch ON
Less than 1
-
ABS switch OFF
6.5- 15
EN(SOHC)-28
TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
Engine (Diagnostics)
Check with ignition switch ON.
Content
Connec­tor No.
Terminal No.
Measuring conditions
Voltage (V)
Resistance to body (ohms)
Hold switch
B55
16
Hold switch ON
Less than 1
-
Hold switch OFF
More than 8
Power switch
B55
23
Power switch ON
Less than 1
-
Power switch OFF
More than 10
Kick-down switch
B55
11
Throttle fully opened.
Less than 1
-
Throttle fully closed.
More than 6.5
POWER indicator light
B56
11
Light ON
Less than 1
-
Light OFF
More than 9
AT OIL TEMP indicator light
B56
10
Light ON
Less than 1
-
Light OFF
More than 9
Throttle position sensor
B54
3
Throttle fully closed.
0.3 - 0.7
-
Throttle fully open.
4.0 - 4.6
Throttle position sensor power supply
B54
2
Ignition switch ON (With engine OFF)
4.8 - 5.3
-
ATF temperature sensor
B54
11
ATF temperature 20°C (68°F)
1.6 - 2.0
2.1 -2.9 k
ATF temperature 80°C (176°F)
0.4 - 0.9
275 - 375
Rear vehicle speed sensor
B55
24
Vehicle stopped.
0
450 - 650
Vehicle speed at least 20 km/h (12 MPH)
More than 1 (AC range)
Front vehicle speed sensor
B55
18
Vehicle speed at least 20 km/h (12 MPH)
More than 1 (AC range)
450 - 650
Torque converter turbine speed sensor
B55
8
Engine idling after warm-up. (D range)
0
450 650
Engine idling after warm-up. (N range)
More than 1 (AC range)
Vehicle speed output signal
B56
17
Vehicle speed at most 10 km/h (6 MPH)
Less than 1<- ->More than 4
-
Engine speed signal
B55
17
Ignition switch ON (with engine OFF)
More than 10.5
Ignition switch ON (with engine ON)
8-11
Cruise set signal
B55
22
When cruise control is set (SET lamp ON)
Less than 1
-
When cruise control is not set (SET lamp OFF)
More than 6.5
Torque control signal 1
B56
5
Ignition switch ON (with engine ON)
4
-
Torque control signal 2
B56
14
Ignition switch ON (with engine ON)
4
-
Torque control cut signal
B55
10
Ignition switch ON
8
-
Intake manifold pressure sig­nal
B54
1
Engine idling after warm-up.
1.2- 1.8
-
Shift solenoid 1
B54
22
1st or 4th gear
More than 9
10 16
2nd or 3rd gear
Less than 1
Shift solenoid 2
B54
5
1st or 2nd gear
More than 9
10 16
3rd or 4th gear
Less than 1
EN(SOHC)-29
TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
Engine (Diagnostics)
Check with ignition switch ON.
Content
Connec­tor No.
Terminal No.
Measuring conditions
Voltage (V)
Resistance to body (ohms)
Line pressure duty solenoid
B54
9
Ignition switch ON (with engine OFF) Throttle fully closed after warm-up.
1.5 - 4.0
2.0 - 4.5
Ignition switch ON (with engine OFF) Throttle fully open after warm-up.
Less than 0.5
Lock-up duty solenoid
B54
7
When lock up occurs.
More than 8.5
10 17
When lock up is released.
Less than 0.5
Transfer duty solenoid
B54
6
Fuse on FWD switch
More than 8.5
10- 17
Fuse removed from FWD switch (with throttle fully open and with select lever in 1st gear).
Less than 0.5
2-4 brake duty solenoid
B54
18
Ignition switch ON (with engine OFF) Throttle fully closed after warm-up.
1.5 - 4.0
2.0 - 4.5
Ignition switch ON (with engine OFF) Throttle fully open after warm-up.
Less than 0.5
2-4 brake timing solenoid
B54
16
1st gear
Less than 1
10 16
3rd gear
More than 9
Low clutch timing solenoid
B54
15
2nd gear
Less than 1
10 16
4th gear
More than 9
Sensor ground line 1
B54
20
-
0
Less than 1
Sensor ground line 2
B55
9
-
0
Less than 1
Sensor ground line 3
B54
10
-
0
Less than 1
Sensor ground line 4
B54
19
-
0
Less than 1
System ground line
B56
19
-
0
Less than 1
B54
20
FWD switch
B55
20
Fuse removed.
6 - 9.1
-
Fuse installed.
Less than 1
FWD indicator light
B56
2
Fuse ON FWD switch
Less than 1
-
Fuse removed from FWD switch
More than 9
Data link signal (Subaru Select Monitor)
B56
15
-
-
-
6
-
-
EN(SOHC)-30