Subaru LEGACY 2006 Manual page 3515

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Transmission Control Module (TCM) I/O Signal
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
5. Transmission Control Module (TCM) I/O Signal
A: ELECTRICAL SPECIFICATION
NOTE:
The measurement should be performed after warming up.
Connector
Item
No.
P/L solenoid out-
B54
put
PVIGN power
B54
supply
I/C oil pressure
B54
switch input
Power GND B54
CAN communi-
B54
cation line (+)
CAN communi-
B54
cation line (–)
ATF tempera-
ture sensor 1 B54
input
Battery power
B54
supply
B54
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
Termi-
Measuring condition
nal No.
Engine ON, "P" range,
accelerator OFF, brake ON
9
Manual mode 1st, acceler-
ator OFF, brake ON
8 Ignition switch ON
7 Ignition switch ON
6 —
5 Always
4 —
3 —
2 Ignition switch ON
1 Always
5AT(diag)-12
B55
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
19 20 21 22 23 24
Resistance
between terminal
Measured value
and chassis
ground
Approx. 4.0 —
3 — 9 Ω (ATF
6.0 V
temperature 20°C
Approx. 2.0 —
(68°F))
4.0 V
Power supply
—
voltage
Power supply
—
voltage
— —
Approx. 0 V —
— —
— —
4.0 — 5.0 kΩ
2.5 — 2.9 V (ATF
(ATF tempera-
temperature 20°C
ture 20°C (68°F))
(68°F))
0.7 — 0.9 kΩ
0.8 — 1.0 V (ATF
(ATF tempera-
temperature 80°C
ture 80°C
(176°F))
(176°F))
Power supply
—
voltage
AT-01451
Remarks
Driving fre-
quency 750 —
850 Hz
The condition of I/
C oil pressure
switch cannot be
read by the tester.