
3-2 [T500] DIAGNOSTICS
5. Transmission Control Module (TCM) I/O Signal
5. Transmission Control Module (TCM) I/O Signal
B2M2269A
Check with ignition switch ON.
Resistance
Connec- Terminal
Content Measuring conditions Voltage (V) to body
tor No. No.
(ohms)
Back-up power supply B55 6 Ignition switch OFF 10 -- 16 --
B54 23 Ignition switch ON (with
Ignition power supply 10 -- 16 --
B54 24 engine OFF)
Select lever in "P" range Less than 1
"P" range Select lever in any other
B55 23 --
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 22 --
switch than "N" range (except "P" More than 8
range)
Select lever in "R" range Less than 1
"R" range
B55 17 Select lever in any other --
switch More than 9.5
than "R" range
Inhibitor switch Select lever in "D" range Less than 1
"D" range
B55 8 Select lever in any other --
switch More than 9.5
than "D" range
Select lever in "3" range Less than 1
"3" range
B55 18 Select lever in any other --
switch More than 9.5
than "3" range
Select lever in "2" range Less than 1
"2" range
B54 10 Select lever in any other --
switch More than 9.5
than "2" range
Select lever in "1" range Less than 1
"1" range
B54 1 Select lever in any other --
switch More than 9.5
than "1" range
Brake pedal depressed. More than 10.5
Brake switch B55 24 --
Brake pedal released. Less than 1
ABS switch ON Less than 1
ABS signal B54 19 --
ABS switch OFF 6.5 -- 15
8
DIAGNOSTICS [T500] 3-2
5. Transmission Control Module (TCM) I/O Signal
Check with ignition switch ON.
Resistance
Connec- Terminal
Content Measuring conditions Voltage (V) to body
tor No. No.
(ohms)
Lamp ON Less than 1
AT OIL TEMP LAMP B54 3 --
Lamp OFF More than 9
Throttle fully closed. 0.5