Subaru 2009 IMPREZA Service Manual page 1999

Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Item
Low & reverse duty solenoid
Data link signal
(Subaru Select Monitor)
CAN communication signal (+)
CAN communication signal (–)
FWD switch
Power GND2
Power GND1
Control GND2
Control GND1
SPORT shift switch
SPORT shift UP switch
SPORT shift DOWN switch
Check with ignition switch ON.
Measured terminal
(Connector & Terminal No.)
Positive terminal Ground terminal
(B54) No. 5 Chassis ground
(B54) No. 8 Chassis ground
(B55) No. 18 Chassis ground
(B55) No. 17 Chassis ground
(B54) No. 10 Chassis ground
(B54) No. 20 Chassis ground
(B54) No. 21 Chassis ground
(B54) No. 22 Chassis ground
(B54) No. 23 Chassis ground
(B54) No. 17 Chassis ground
(B54) No. 19 Chassis ground
(B54) No. 18 Chassis ground
4AT(diag)-14
Measuring condition Voltage (V)
Driving at 1st gear
on manual mode
5.0 or more
(15 km/h (9.3 MPH)
or more)
Driving at 1st gear
on manual mode
2.5 — 5.0
(15 km/h (9.3 MPH)
or more)
—
Ignition switch ON Pulse signal
Ignition switch ON Pulse signal
Fuse removed 10.5 or more
Fuse installed 1 or less
—
—
—
—
Ignition switch ON
SPORT shift mode Less than 1
switch is ON
Ignition switch ON
SPORT switch shift 8 or more
mode switch is OFF
Ignition switch ON
SPORT shift up Less than 1
switch is ON
Ignition switch ON
SPORT switch shift 8 or more
mode switch is OFF
Ignition switch ON
SPORT shift down Less than 1
switch is ON
Ignition switch ON
SPORT switch shift 8 or more
mode switch is OFF
Resistance ( )
2.0 — 4.5
— —
—
—
—
—
0 Less than 1
0 Less than 1
0 Less than 1
0 Less than 1
—
—
—
—
—
—