TCM INSPECTION [SJ6A-EL]


id051311250700


Terminal Voltage Table (Reference)

Note
•  Use the ground of terminal 1P and 1X of the TCM when measuring terminal voltage, as an error may occur when connecting the negative circuit tester to ground.
amxzzw00000133

Terminal

Signal

Connected to

Test Condition

Voltage (V)

Action

1A
1B
1C
CAN_L
Other module
Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.
•  Inspect the related wiring harness
1D
TCC control solenoid GND
TCC control solenoid
•  Inspect using the wave profile.
•  Inspect the TCC control solenoid
•  Inspect the related wiring harness
1E
Line pressure control solenoid GND
Line pressure control solenoid
P, N position, Idle
Below 1.0
•  Inspect the line pressure control solenoid
•  Inspect the related wiring harness
1F
1G
CAN_H
Other module
Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.
•  Inspect the related wiring harness
1H
1I
1J
ATF temperature (+)
TFT sensor
ATF temperature 20°C {68°F}
Approx. 3.0
•  Inspect the related wiring harness
ATF temperature 40°C {104°F}
Approx. 2.14
ATF temperature 60°C {140°F}
Approx. 1.38
1K
1L
Shift solenoid G GND
Shift solenoid G
•  Inspect using the wave profile.
•  Inspect the shift solenoid G
•  Inspect the related wiring harness
1M
TFT sensor GND
TFT sensor
Under any condition
Continuity
•  Inspect the related wiring harness
1N
1O
Shift solenoid F GND
Shift solenoid F
•  Inspect using the wave profile.
•  Inspect the shift solenoid F
•  Inspect the related wiring harness
1P
System GND
GND
Under any condition
Continuity
•  Inspect the related wiring harness
1Q
TCC control solenoid control
TCC control solenoid
•  Inspect using the wave profile.
•  Inspect the TCC control solenoid
•  Inspect the related wiring harness
1R
Line pressure control solenoid control
Line pressure control solenoid
•  Inspect using the wave profile.
•  Inspect the line pressure control solenoid
•  Inspect the related wiring harness
1S
Shift solenoid D control
Shift solenoid D
5GR, 6GR
B+
•  Inspect the shift solenoid D
•  Inspect the related wiring harness
1GR, 2GR, 3GR, 4GR
Below 1.0
1T
1U
1V
Shift solenoid E control
Shift solenoid E
1GR, 2GR, 3GR, 4GR
B+
•  Inspect the shift solenoid E
•  Inspect the related wiring harness
5GR, 6GR
Below 1.0
1W
1X
System GND
GND
Under any condition
Continuity
•  Inspect the related wiring harness
1Y
Shift solenoid G control
Shift solenoid G
•  Inspect using the wave profile.
•  Inspect the shift solenoid G
•  Inspect the related wiring harness
1Z
Shift solenoid F control
Shift solenoid F
•  Inspect using the wave profile.
•  Inspect the shift solenoid F
•  Inspect the related wiring harness
1AA
Shift solenoid C control
Shift solenoid C
1GR, 2GR, 3GR
B+
•  Inspect the shift solenoid C
•  Inspect the related wiring harness
4GR, 5GR, 6GR
Below 1.0
1AB
Shift solenoid B control
Shift solenoid B
1GR, 2GR, 6GR
B+
•  Inspect the shift solenoid B
•  Inspect the related wiring harness
3GR, 4GR, 5GR
Below 1.0
1AC
1AD
Power supply
Battery
Under any condition
B+
•  Inspect the related wiring harness
1AE
IG
Ignition switch
Ignition switch ON
B+
•  Inspect the Ignition switch
•  Inspect the related wiring harness
Ignition switch OFF
Below 1.0
1AF
Shift solenoid A control
Shift solenoid A
2GR, 3GR, 4GR, 5GR, 6GR
B+
•  Inspect the shift solenoid A
•  Inspect the related wiring harness
1GR
Below 1.0
1AG
1AH
1AI
IG
Ignition switch
Ignition switch ON
B+
•  Inspect the Ignition switch
•  Inspect the related wiring harness
Ignition switch OFF
Below 1.0
2A
Turbine speed (+)
Turbine sensor
•  Inspect using the wave profile.
•  Inspect the turbine sensor
•  Inspect the related wiring harness
2B
Turbine speed (-)
Turbine sensor
Ignition switch ON
Approx. 2.54
•  Inspect the turbine sensor
•  Inspect the related wiring harness
2C
Vehicle speed (-)
VSS
Ignition switch ON
Approx. 2.5
•  Inspect the related wiring harness
2D
Vehicle speed (+)
VSS
•  Inspect using the wave profile.
•  Inspect the related wiring harness
2E
Turbine sensor wiring harness shield GND
GND
Under any condition
Continuity
•  Inspect the related wiring harness
2F
Down switch
(Selector lever component)
Down switch
(Selector lever component)
Shift down
(M range)
Below 1.0
•  Inspect the selector lever component
•  Inspect the related wiring harness
Other ranges, all positions
B+
2G
M range switch
M range switch
M range
Below 1.0
•  Inspect the selector lever component
•  Inspect the related wiring harness
Other positions, all ranges
B+
2H
VSS wiring harness shield GND
GND
Under any condition
Continuity
•  Inspect the related wiring harness
2I
2J
Up switch
(Selector lever component)
Up switch
(Selector lever component)
Shift up
(M range)
Below 1.0
•  Inspect the selector lever component
•  Inspect the related wiring harness
Other ranges, all positions
B+
2K
TR switch
(D range)
TR switch
D range
B+
•  Inspect the TR switch
•  Inspect the related wiring harness
Other ranges, all positions
Below 1.0
2L
2M
TR switch
(R position)
TR switch
R position
B+
•  Inspect the TR switch
•  Inspect the related wiring harness
Other ranges, all positions
Below 1.0
2N
TR switch
(N position)
TR switch
N position
B+
•  Inspect the TR switch
•  Inspect the related wiring harness
Other positions, all ranges
Below 1.0
2O
TR switch
(P position)
TR switch
P position
B+
•  Inspect the TR switch
•  Inspect the related wiring harness
Other positions, all ranges
Below 1.0
2P
2Q
ATF temperature monitor mode control
TFT check connector
Under any condition
B+
•  Inspect the related wiring harness
2R
2S
2T
2U
2V
2W
2X
2Y
2Z
2AA
2AB*1
Steering shift switch GND
Steering shift switch
Under any condition
Below 1.0
•  Inspect the related wiring harness
2AB*2
Audio control switch
Under any condition
Below 1.0
•  Inspect the related wiring harness
2AC
2AD
2AE
2AF*1
Shift up/Shift down signal
(Steering shift switch)
Steering shift switch
Up switch operated
(Steering shift switch)
Approx. 2.0
•  Inspect the steering shift switch
•  Inspect the related wiring harness
Down switch operated
(Steering shift switch)
Approx. 2.53
Others
Approx. 4.0
2AF*2
Audio control switch
Under any condition
Below 1.0
•  Inspect the audio control switch
•  Inspect the related wiring harness
2AG
2AH
2AI

*1  :Vehicles with steering shift switch
*2  :Vehicles without steering shift switch

Inspection Using An Oscilloscope (Reference)


Turbine sensor (+)

•  TCM terminal: 2A
amxzzw00000134
•  Oscilloscope setting: 2 V/DIV (Y) 2 ms/DIV (X)
•  Measuring condition: Vehicle speed at 30 km/h {19 mph} (D range 1GR)


Vehicle speed (+)

•  TCM terminal: 2D
amxzzw00000135
•  Oscilloscope setting: 2.5 V/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: Vehicle speed at 30 km/h {19 mph} (D range 1GR)


Shift solenoid F control (+)

•  TCM terminal: 1Z
amxzzw00002523
•  Oscilloscope setting: 2.5 V/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: M range 5GR


Shift solenoid F control (-)

•  TCM terminal: 1O
amxzzw00000137
•  Oscilloscope setting: 100 mV/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: M range 5GR


Shift solenoid G control (+)

•  TCM terminal: 1Y
amxzzw00000138
•  Oscilloscope setting: 2.5 V/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: M range 1GR


Shift solenoid G control (-)

•  TCM terminal: 1L
amxzzw00000139
•  Oscilloscope setting: 50 mV/DIV (Y) 1ms/DIV (X)
•  Measuring condition: M range 1GR


TCC control solenoid control (+)

•  TCM terminal: 1Q
amxzzw00002524
•  Oscilloscope setting: 2.5 V/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: P, N position, Idle


TCC control solenoid control (-)

•  TCM terminal: 1D
amxzzw00002525
•  Oscilloscope setting: 50 mV/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: P, N position, Idle


Line pressure control solenoid control (+)

•  TCM terminal: 1R
amxzzw00002526
•  Oscilloscope setting: 2.5 V/DIV (Y) 1 ms/DIV (X)
•  Measuring condition: P, N position, Idle