Subaru IMPREZA 2002 Service Manual page 351

TRANSMISSION CONTROL MODULE (TCM)
I/O
SIGNAL
ENGINE (DIAGNOSTICS)
ABS signal
Content
-
ABS switch ON
ABS switch OFF
Less than 1
More than 6.5
854 19
Resistance to
body (ohms)
Con-
nector Measuring conditions Voltage (V)
Termi-
1
No.
1
rial No'
1
A T OIL TEMP light
-
Light ON Less than 1
LiQht OFF More than 9
B54 3
Throttle fully closed.
Approx. 0.5
Throttle fully open.
I I I
Vehicle stopped.
I
0
I
Approx. 4.3
B55
Throttle position sensor power
supply
ATF temperature sensor B55
Rear vehicle speed sensor 855
I I I I I
I
Engine idling after warm-up
I
n
-
4.8
-
5.3
Ignition switch ON
(With engine OFF)
ATF temperature 20°C
(68°F)
ATF temperature 80°C
(1 76°F)
1
1.6
-
2.0
2.1 -2.9 k
0.4 - 0.9 275
-
375
11
Vehicle stopped. 0
3 Vehicle speed at least 20 More than (AC 450
-
650
km/h (12 MPH)
. .
Vehicle speed at least 20 More than (Ac
I
B55
I I
km/h ( 1 2 MPH)
Front vehicle speed sensor
I I
-
Shift solenoid 1
450
-
650
Torque converter turbine
speedsensor
Vehicle speed output signal
Engine speed signal
Cruise set signal
Torque control 1 signal
Torque control 2 signal
Torque control cut signal
Intake manifold pressure sig-
nal
AT load signal
I
- - '
1 - 1
4th aear
I
Less than 1
I
. - . -
v
(D range).
Engine idling after warm-up
(N range).
Vehicle speed at most 10
km/h (6 MPH)
Ignition switch ON (with
engine OFF)
Ignition switch ON (with
engine ON)
When cruise control is set
(SET lamp ON)
When cruise control is not
set (SET lamp OFF)
engine ON)
engine ON)
12 450
-
650
More than 1 (AC range)
Less than I t
+More than 5
0
0
-
13 or more
Less than 1
More than 6.5
B55
-
855 13
-
855 4
-
B54
B54 13
Ignition switch ON (with
More than 4.8
-
854 21
Ignition switch ON (with
More than 4.8
-
-
854 2 Ignition switch ON 8
-
855 20 Engine idling after warm-up. 1.2
-
1.8
B55 20 Engine idling after warm-up. 1.2
-
1.8
-
I I I
u
1
I
Throttle fully closed (with
I
I C
r n
BS4
Shift solenoid 2
R54
6
1 st gear More than 9
3rd gear Less than 1
More than 9 2nd gear
-
10-16
i n -
if7
EN(S0HC)-27
Line pressure duty solenoid
Dropping resistor
I .J
-
2.v
engine OFF) after warm-up.
Throttle fully open (with
engine OFF) after warm-up.
Throttle fully closed (with
engine OFF) after warm-up.
l8 Throttle fully open (with
engine OFF) after warm-up.
2.0
-
4.5
Less than 1
More than 8.5
Less than 0.5
854 9
9-15
B54