Subaru LEGACY 2006 Manual page 3409

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Transmission Control Module (TCM) I/O Signal
Contents
Transfer duty solenoid
2-4 brake duty solenoid
High clutch duty solenoid
Low clutch duty solenoid
Low & reverse duty solenoid
Range lock signal
Data link signal (Subaru Select
Monitor)
CAN communication signal (+)
CAN communication signal (–)
FWD switch
System ground circuit
Check with ignition switch ON.
Measured terminal
(Connector & Terminal No.)
Positive terminal Ground terminal
(B55) No.4 Chassis ground
(B55) No.6 Chassis ground
(B55) No.8 Chassis ground
(B55) No.9 Chassis ground
(B55) No.7 Chassis ground
(B55) No.18 Chassis ground
(B55) No.12 Chassis ground
(B55) No.12 Chassis ground
(B54) No.12 Chassis ground
(B55) No.17 Chassis ground
(B54) No.8 Chassis ground
(B54) No.17 Chassis ground
(B55) No.2 Chassis ground
(B55) No.3 Chassis ground
4AT(diag)-13
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Measuring
Voltage (V)
condition
With fuse installed
Less than 1
to FWD switch
With fuse removed
from FWD switch 2.0 — 3.0
(1st gear)
"P" or "N" range 5.0 or more
2nd or 4th gear Less than 1
3rd or 4th gear Less than 1
"P" or "N" range 5.0 or more
1st or 2nd gear Less than 1
"P" or "N" range 5.0 or more
Except "1" range 5.0 or more
Driving at 1st gear
on manual mode
2.5 — 5.0
(15 km/h (9.3 MPH)
or more)
Vehicle speed in "D"
range 0 km/h (0 10.5 or more
MPH)
Vehicle speed in "D"
range 20 km/h (12 Less than 1
MPH)
— —
Ignition switch ON Pulse signal
Ignition switch ON Pulse signal
Fuse removed 10.5 or more
Fuse installed 1 or less
— 0
— 0
— 0
— 0
Resistance (Ω)
2.0 — 4.5
2.0 — 4.5
2.0 — 4.5
2.0 — 4.5
2.0 — 4.5
7 — 18
—
—
—
—
—
Less than 1
Less than 1
Less than 1
Less than 1