Note
• Use the ground of terminal 1C and 1Y of the TCM when measuring terminal voltage, as an error may occur when connecting the negative circuit tester to ground.
|
Terminal
|
Signal
|
Connected to
|
Test Condition
|
Voltage (V)
|
Action
|
|---|---|---|---|---|---|
|
1A
|
-
|
-
|
-
|
-
|
-
|
|
1B
|
TFT sensor
(GND)
|
TFT sensor
|
Constant
|
Continuity
|
• Inspect TFT sensor
• Inspect related harness
|
|
1C
|
GND
|
GND
|
Constant
|
Below 1.0
|
• Inspect related harness
|
|
1D
|
-
|
-
|
-
|
-
|
-
|
|
1E
|
-
|
-
|
-
|
-
|
-
|
|
1F
|
TFT sensor
|
TFT sensor
|
ATF temperature 20 °C {68 °F}
|
Approx. 1.55
|
• Inspect TFT sensor
• Inspect related harness
|
|
ATF temperature 60 °C {140 °F}
|
Approx. 0.7
|
||||
|
1G
|
-
|
-
|
-
|
-
|
-
|
|
1H
|
-
|
-
|
-
|
-
|
-
|
|
1I
|
-
|
-
|
-
|
-
|
-
|
|
1J
|
-
|
-
|
-
|
-
|
-
|
|
1K
|
Intermediate sensor
|
Intermediate sensor
|
Vehicle stop
|
0
|
• Inspect Intermediate sensor
• Inspect related harness
|
|
Vehicle speed at 20 km/h {12.4 mph} or more
|
Above 1.0
|
||||
|
1M
|
VSS
|
VSS
|
Vehicle stop
|
0
|
• Inspect VSS
• Inspect related harness
|
|
Vehicle speed at 20 km/h {12.4 mph} or more
|
Above 1.0
|
||||
|
1N
|
Input/turbine speed sensor
|
Input/turbine speed sensor
|
Vehicle stop
|
0
|
• Inspect Input/turbine speed sensor
• Inspect related harness
|
|
Vehicle speed at 20 km/h {12.4 mph} or more
|
Above 1.0
|
||||
|
1P
|
Back-up power supply
|
Battery
|
Constant
|
B+
|
• Inspect battery
• Inspect related harness
|
|
1Q
|
-
|
-
|
-
|
-
|
-
|
|
1S
|
Down switch
|
Down switch
|
Down shift at M range
|
0
|
• Inspect selector lever component
|
|
Other
|
B+
|
||||
|
1T
|
TR switch
(N position)
|
TR switch
|
N position
|
B+
|
• Inspect TR switch
• Inspect related harness
|
|
Other positions, all ranges
|
0
|
||||
|
1U
|
Brake switch
|
Brake switch
|
Brake pedal depressed
|
B+
|
• Inspect brake switch
(See BRAKE SWITCH INSPECTION.)
• Inspect related harness
|
|
Brake pedal released
|
0
|
||||
|
1V
|
VSS (GND)
|
VSS
|
Constant
|
Below 1.0
|
• Inspect related harness
|
|
1W
|
TR switch
(R range)
|
TR switch
|
R range
|
B+
|
• Inspect TR switch
• Inspect related harness
|
|
Other ranges, all positions
|
0
|
||||
|
1X
|
Intermediate sensor
(GND)
|
Intermediate sensor
|
Constant
|
Below 1.0
|
• Inspect Intermediate sensor
• Inspect related harness
|
|
1Y
|
GND
|
GND
|
Constant
|
Below 1.0
|
• Inspect related harness
|
|
1Z
|
TR switch
(D range)
|
TR switch
|
D range
|
B+
|
• Inspect TR switch
• Inspect related harness
|
|
Other ranges, all positions
|
0
|
||||
|
1AA
|
M range switch
|
M range switch
|
M range
|
0
|
• Inspect selector lever component
|
|
Other
|
B+
|
||||
|
2A
|
-
|
-
|
-
|
-
|
-
|
|
2B
|
TR switch
(P position)
|
TR switch
|
P position
|
B+
|
• Inspect TR switch
• Inspect related harness
|
|
Other positions, all ranges
|
0
|
||||
|
2C
|
Up switch
|
Up switch
|
Up shift at M range
|
0
|
• Inspect selector lever component
|
|
Other
|
B+
|
||||
|
2D
|
Neutral shift solenoid valve
|
Neutral shift solenoid valve
|
N position
|
0
|
• Inspect neutral shift solenoid valve
• Inspect related harness
|
|
R position
|
B+
|
||||
|
2E
|
-
|
-
|
-
|
-
|
-
|
|
2F
|
Input/turbine speed sensor
(GND)
|
Input/turbine speed sensor
|
Constant
|
0
|
• Inspect Input/turbine speed sensor
• Inspect related harness
|
|
2G
|
Reduction timing solenoid valve
|
Reduction timing solenoid valve
|
N position
|
0
|
• Inspect reduction timing solenoid valve
• Inspect related harness
|
|
D range
|
B+
|
||||
|
2H
|
-
|
-
|
-
|
-
|
-
|
|
2I
|
-
|
-
|
-
|
-
|
-
|
|
2J
|
CAN_L
|
PCM
|
Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.
|
-
|
• Inspect related harness
|
|
2K
|
-
|
-
|
-
|
-
|
-
|
|
2M
|
CAN_H
|
PCM
|
Because this terminal is for serial communication, good/no good judgment by terminal voltage is not possible. Carry out inspection according to DTCs.
|
-
|
• Inspect related harness
|
|
2N
|
-
|
-
|
-
|
-
|
-
|
|
2P
|
GND return (solenoid ground)
|
Solenoid valve
|
Constant
|
Continuity
|
• Inspect related harness
|
|
2Q
|
-
|
-
|
-
|
-
|
-
|
|
2S
|
TCC solenoid valve control
|
TCC solenoid valve
|
D range TCC ON (60 km/h {37 mph} or more)
|
B+
|
• Inspect TCC solenoid valve
• Inspect related harness
|
|
TCC released (M range, 1GR-4GR)
|
0
|
||||
|
2T
|
Shift solenoid B control
|
Shift solenoid B
|
N position
|
B+
|
• Inspect shift solenoid B
• Inspect related harness
|
|
D range, 4GR gear
|
0
|
||||
|
2U
|
High clutch solenoid valve
|
High clutch solenoid valve
|
N position
|
0
|
• Inspect high clutch duty solenoid valve
• Inspect related harness
|
|
When shifting 1-2 in D range
|
B+
|
||||
|
2V
|
2-4 brake solenoid valve
|
2-4 brake duty solenoid valve
|
N position
|
B+
|
• Inspect 2-4 brake solenoid valve
• Inspect related harness
|
|
D position stall
|
0
|
||||
|
2W
|
Shift solenoid A
|
Shift solenoid A
|
N position
|
B+
|
• Inspect shift solenoid A
• Inspect related harness
|
|
D range, 3GR gear
|
0
|
||||
|
2X
|
Shift solenoid C control
|
Shift solenoid C
|
N position
|
B+
|
• Inspect shift solenoid C
• Inspect related harness
|
|
D range
|
0
|
||||
|
2Y
|
Pressure control solenoid control
|
Pressure control solenoid
|
N position
|
B+
|
• Inspect pressure control solenoid
• Inspect related harness
|
|
D position stall
|
0
|
||||
|
2Z
|
Power supply
|
Main relay
|
Ignition switch ON
|
B+
|
• Inspect main relay
(See RELAY INSPECTION.)
• Inspect related harness
|
|
Ignition switch OFF
|
0
|
||||
|
2AA
|
Power supply
|
Main relay
|
Ignition switch ON
|
B+
|
• Inspect main relay
(See RELAY INSPECTION.)
• Inspect related harness
|
|
Ignition switch OFF
|
0
|
Input/turbine speed sensor signal
• TCM terminal: 1N (+)-2F (-)
• Oscilloscope setting: 1 V/DIV (Y) 1 ms/DIV (X)
• Measuring condition: Turbine speed at 700 rpm, N position
Intermediate sensor signal
• TCM terminal: 1K (+)-1X (-)
• Oscilloscope setting: 4 V/DIV (Y) 0.2 ms/DIV (X)
• Measuring condition: Vehicle speed at 40 km/h {25 mph}, 4GR
Vehicle speedometer sensor signal
• TCM terminal: 1M (+)-1V (-)
• Oscilloscope setting: 4 V/DIV (Y) 1 ms/DIV (X)
• Measuring condition: Vehicle speed at 40 km/h {25 mph}
Pressure control solenoid signal
• TCM terminal: 2Y (+)-2P (-)
• Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
• Measuring condition: Idle after warm-up
2-4 brake solenoid valve signal
• TCM terminal: 2V (+)-2P (-)
• Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
• Measuring condition: Idle after warm-up
High clutch solenoid valve signal
• TCM terminal: 2U (+)-2P (-)
• Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
• Measuring condition: Idle after warm-up
TCC solenoid valve signal (lock up off)
• TCM terminal: 2S (+)-2P (-)
• Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
• Measuring condition: Idle after warm-up
TCC solenoid valve signal (lock up on)
• TCM terminal: 2S (+)-2P (-)
• Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
• Measuring condition: Drive the vehicle with lock up
