Subaru Legacy 2001 Service Manual page 36

TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
Engine (DIAGNOSTICS)
Content
Line pressure duty sole-
noid
Dropping resistor
(H6 engine model)
Lock-up duty solenoid
Transfer duty solenoid
2-4 brake duty solenoid
2-4 brake dropping resis-
tor
2-4 brake timing solenoid
Low clutch timing solenoid
Hold switch
Power switch
Power indicator light
Sensor ground line 1
Sensor ground line 2
System ground line
AT diagnosis signal
Check with ignition switch ON.
Con-
Termi-
nector Measuring conditions
nal No.
No.
Ignition switch ON (with
engine OFF)
Throttle fully closed after
warm-up.
B54 9
Ignition switch ON (with
engine OFF)
Throttle fully open after
warm-up.
Ignition switch ON (with
engine OFF)
Throttle fully closed after
warm-up.
B54 8
Ignition switch ON (with
engine OFF)
Throttle fully open after
warm-up.
When lock up occurs.
B54 7
When lock up is released.
Fuse on FWD switch
Fuse removed from FWD
B54 6
switch (with throttle fully
open and with select lever
in 1st gear).
Throttle fully closed (with
engine OFF) after warm-
B54 18
Throttle fully open (with
engine OFF) after warm-
Throttle fully closed (with
engine OFF) after warm-
B54 17
Throttle fully open (with
engine OFF) after warm-
1st gear
B54 16
3rd gear
2nd gear
B54 15
4th gear
Hold switch ON
B55 16
Hold switch OFF
Power switch ON
B55 23
Power switch OFF
Light ON
B56 11
Light OFF
B54 19
B55 9
B56 19
B54 20
B56 21 Ignition switch ON
EN(H6)-34
Voltage (V)
1.5 — 4.0
Less than 0.5
More than 8.5
Less than 0.5
More than 8.5
Less than 0.5
More than 8.5
Less than 0.5
1.5 — 4.0
up.
Less than 0.5
up.
More than 8.5
up.
Less than 0.5
up.
Less than 1
More than 9
Less than 1
More than 9
Less than 1
More than 8
Less than 1
More than 10
Less than 1
More than 9
—
—
—
Less than 1 ←
→ More than 4
Resistance to body
(ohms)
2.0 — 4.5
9 — 15
10 — 17
10 — 17
2.0 — 4.5
9 — 15
10 — 16
10 — 16
—
—
—
—
—
—
0 Less than 1
0 Less than 1
0 Less than 1
—