Subaru 2006 Legacy, Manual

Page: 3409 / 4302

4AT(diag)-13
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Transfer duty solenoid (B55) No.4 Chassis ground
With fuse installed
to FWD switch
Less than 1
2.0 — 4.5
With fuse removed
from FWD switch
(1st gear)
2.0 — 3.0
2-4 brake duty solenoid (B55) No.6 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 (B55) No.8 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 (B55) No.9 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 (B55) No.7 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 (B55) No.18 Chassis ground
Vehicle speed in “D”
range 0 km/h (0
MPH)
10.5 or more
7 — 18
Vehicle speed in “D”
range 20 km/h (12
MPH)
Less than 1
Data link signal (Subaru Select
Monitor)
(B55) No.12 Chassis ground — — —
CAN communication signal (+) (B55) No.12 Chassis ground Ignition switch ON Pulse signal —
CAN communication signal (–) (B54) No.12 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 —
System ground circuit
(B54) No.8 Chassis ground — 0 Less than 1
(B54) No.17 Chassis ground — 0 Less than 1
(B55) No.2 Chassis ground — 0 Less than 1
(B55) No.3 Chassis ground — 0 Less than 1
Check with ignition switch ON.
Contents
Measured terminal
(Connector & Terminal No.)
Measuring
condition
Voltage (V) Resistance (
Ω
)
Positive terminal Ground terminal
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