Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 04. TRANSMISSION 03. AUTOMATIC TRANSMISSION (DIAGNOSTICS) 05. Transmission Control Module (TCM) IO Signal
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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
1. TURBO MODEL
to B54 to B55
9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1
18 17 16 15 14 13 12 11 10 18 17 16 15 14 13 12 11 10
24 23 22 21 20 19 24 23 22 21 20 19
to B56
9 8 7 6 5 4 3 2 1
18 17 16 15 14 13 12 11 10
24 23 22 21 20 19
AT-00568
Check with ignition switch ON.
Resistance
Connector
Content Terminal No. Measuring conditions Voltage (V) to body
No.
(ohms)
Back-up power supply B56 1 Ignition switch OFF 10 -- 13 --
B54 23 Ignition switch ON (with
Ignition power supply 10 -- 13 --
B54 24 engine OFF)
Select lever in "P" range Less than 1
"P" range Select lever in any other
B55 1 --
switch than "P" range (except "N" More than 8
range)
Select lever in "N" range Less than 1
"N" range Select lever in any other
B55 14 --
switch than "N" range (except "P" More than 8
range)
Inhibitor Select lever in "R" range Less than 1
switch "R" range
B55 3 Select lever in any other --
switch More than 8
than "R" range
Select lever in "D" range Less than 1
"D" range
B55 4 Select lever in any other --
switch More than 8
than "D" range
Select lever in "3" range Less than 1
"3" range
B55 5 Select lever in any other --
switch More than 8
than "3" range
4AT-11
TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check with ignition switch ON.
Resistance
Connector
Content Terminal No. Measuring conditions Voltage (V) to body
No.
(ohms)
Select lever in "2" range Less than 1
"2" range
B55 6 Select lever in any other --
switch More than 8
Inhibitor than "2" range
switch Select lever in "1" range Less than 1
"1" range
B55 7 Select lever in any other --
switch More than 8
than "1" range
Brake pedal depressed. More than 10.5
Brake switch B55 12 --
Brake pedal released. Less than 1
Light ON Less than 1
AT OIL TEMP warning light B56 10 --
Light OFF More than 9
Throttle fully closed. 0.2 -- 1.0
Throttle position sensor B54 3 --
Throttle fully open. 4.2 -- 4.7
Throttle position sensor Ignition switch ON (with
B54 2 4.8 -- 5.3 --
power supply engine OFF)
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