Subaru 2002 IMPREZA Service Manual page 1189

TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
Content
AT OIL TEMP warning light
Throttle position sensor
Throttle position sensor power
supply
ATF temperature sensor
Rear vehicle speed sensor
Front vehicle speed sensor
Torque converter turbine
speed sensor
Vehicle speed output signal
Engine speed signal
Cruise set signal
Torque control signal 1
Torque control signal 2
Torque control cut signal
Shift solenoid 1
Shift solenoid 2
Line pressure duty solenoid
Lock-up duty solenoid
Transfer duty solenoid
Con-
Termi-
nector Measuring conditions
nal No.
No.
B56 11
Throttle fully closed.
B54 3
Throttle fully open.
Ignition switch ON (With
B54 2
ATF temperature 20°C
B54 11
ATF temperature 80°C
Vehicle stopped.
B55 24
Vehicle speed at least 20
km/h (12 MPH)
Vehicle stopped.
B55 18
Vehicle speed at least 20
km/h (12 MPH)
Engine idling after warm-up.
B55 8
Engine idling after warm-up.
Vehicle speed at most 10
B56 17
km/h (6 MPH)
Ignition switch ON (with
B55 17
Ignition switch ON (with
When cruise control is set.
(SET lamp ON)
B55 22
When cruise control is not
set. (SET lamp OFF)
Ignition switch ON (with
B56 5
Ignition switch ON (with
B56 14
B55 10 Ignition switch ON
1st or 4th gear
B54 22
2nd or 3rd gear
1st or 2nd gear
B54 5
3rd or 4th gear
Throttle fully closed (with
engine OFF) after warm-up.
B54 9
Throttle fully open (with
engine OFF) 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
EN(TURBO)-29
Light ON
Light OFF
engine OFF)
(68°F)
(176°F)
More than 1 (AC range)
More than 1 (AC range)
(D range)
More than 1 (AC range)
(N range)
engine OFF)
engine ON)
engine ON)
engine ON)
1st gear).
ENGINE (DIAGNOSTICS)
Resistance to
Voltage (V)
body (ohms)
Less than 1
More than 9
Approx. 0.5
Approx. 4.3
Approx. 5.0
2.9 — 4.0 2.1 — 2.9 k
0.5 — 0.8 275 — 375
0
450 — 650
0
450 — 650
0
450 — 650
Less than 1←
→More than 5
0
8 — 11
Less than 1
More than 6.5
More than 4.8
More than 4.8
8
More than 9
10 — 16
Less than 1
More than 9
10 — 16
Less than 1
1.5 — 5.0
2.0 — 4.5
Less than 0.5
More than 8.5
10 — 17
Less than 0.5
More than 8.5
10 — 17
Less than 0.5
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