Subaru 2006 Legacy, Manual

Page: 3408 / 4302

4AT(diag)-12
Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
ATF temperature sensor (B54) No.21 (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 (B54) No.9 Chassis ground — 0
Less than 1
(When inserting
connector)
(When discon-
necting connec-
tor)
Rear vehicle speed sensor (B54) No.24 (B54) No.23
20 km/h
(12 MPH)
Vehicle speed at
least
More than 2
(AC range)
—
Rear vehicle speed sensor ground (B54) No.23 Chassis ground — 0
Less than 1
(When inserting
connector)
(When discon-
necting connec-
tor)
Front vehicle speed sensor (B54) No.6 (B54) No.15 450 — 650
Front vehicle speed sensor ground (B54) No.15 Chassis ground — — —
Torque converter turbine speed
sensor
(B54) No.7 (B54) No.16
Engine idling after
warm-up (“D”
range)
0
450 — 650
Engine idling after
warm-up (“N”
range)
More than 1
(AC range)
Torque converter turbine speed
sensor ground
(B54) No.16 Chassis ground — — —
Engine speed signal (B54) No.13 Chassis ground
Ignition switch ON
(engine OFF)
Less than 1 —
Ignition switch ON
(with engine ON)
More than 5
(AC range)
—
Line pressure linear solenoid (B55) No.20 (B55) No.19
Ignition switch ON
(with engine OFF)
Throttle fully closed
in “R” range after
warm-up.
3.7 — 7.7
4.0 — 6.0
Ignition switch ON
(with engine OFF)
Throttle fully closed
in “R” range after
warm-up.
1.1 — 5.1
Line pressure linear solenoid
ground
(B55) No.19 Chassis ground — Less than 1 Less than 1
Lock-up duty solenoid (B55) No.5 Chassis ground
When lock up
occurs.
10.5 or more
2.0 — 4.5
When lock up is
released.
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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