
3-2 [T500] AUTOMATIC TRANSMISSION AND DIFFERENTIAL
5. Transmission Control Module (TCM) I/O Signal
5. Transmission Control Module (TCM) I/O Signal
S3M0061A
Check with ignition switch ON.
Connec- Terminal Resistance to
Content Measuring conditions Voltage (V)
tor No. No. body (ohms)
Back-up power supply B56 14 Ignition switch OFF 10 -- 16 --
B54 6 Ignition switch ON (with
Ignition power supply 10 -- 16 --
B55 1 engine OFF)
Select lever in "P" range Less than 1
"P" range Select lever in any other
B56 9 --
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
B56 8 --
switch than "N" range (except "P" More than 8
range)
Select lever in "R" range Less than 1
"R" range
B56 10 Select lever in any other --
switch More than 6
than "R" range
Inhibitor switch Select lever in "D" range Less than 1
"D" range
B54 1 Select lever in any other --
switch More than 6
than "D" range
Select lever in "3" range Less than 1
"3" range
B54 2 Select lever in any other --
switch More than 6
than "3" range
Select lever in "2" range Less than 1
"2" range
B54 3 Select lever in any other --
switch More than 6
than "2" range
Select lever in "1" range Less than 1
"1" range
B54 4 Select lever in any other --
switch More than 6
than "1" range
Brake pedal depressed. More than 10.5
Brake switch B56 7 --
Brake pedal released. Less than 1
ABS switch ON Less than 1
ABS signal B56 5 --
ABS switch OFF More than 6.5
10
AUTOMATIC TRANSMISSION AND DIFFERENTIAL [T500] 3-2
5. Transmission Control Module (TCM) I/O Signal
Check with ignition switch ON.
Connec- Terminal Resistance to
Content Measuring conditions Voltage (V)
tor No. No. body (ohms)
Diagnosis connector con-
Less than 1
nected.
Diagnosis switch B56 6 --
Diagnosis connector dis-
More than 6
connected.
Ignition switch ON (With
Less than 1
engine OFF)
AT diagnostic signal B55 12 --
Ignition switch ON (With
More than 10
engine ON)
Throttle fully closed. 0.5