TCM INSPECTION [SJ6A-EL]

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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.

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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. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the TCC control solenoid (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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 (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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 TFT sensor (See TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR INSPECTION [SJ6A-EL]) • 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. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the shift solenoid G (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the shift solenoid F (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the TCC control solenoid (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
1R | Line pressure control solenoid control | Line pressure control solenoid | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the line pressure control solenoid (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
1S | Shift solenoid D control | Shift solenoid D | 5GR, 6GR | B+ | • Inspect the shift solenoid D (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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 (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the shift solenoid G (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
1Z | Shift solenoid F control | Shift solenoid F | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the shift solenoid F (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
1AA | Shift solenoid C control | Shift solenoid C | 1GR, 2GR, 3GR | B+ | • Inspect the shift solenoid C (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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 (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • 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 (See IGNITION SWITCH INSPECTION) • Inspect the related wiring harness
Ignition switch OFF (See SOLENOID VALVE INSPECTION [SJ6A-EL]) | Below 1.0
1AF | Shift solenoid A control | Shift solenoid A | 2GR, 3GR, 4GR, 5GR, 6GR | B+ | • Inspect the shift solenoid A (See SOLENOID VALVE INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
1GR | Below 1.0
1AG | — | — | — | — | —
1AH | — | — | — | — | —
1AI | IG | Ignition switch | Ignition switch ON | B+ | • Inspect the Ignition switch (See IGNITION SWITCH INSPECTION) • Inspect the related wiring harness
Ignition switch OFF | Below 1.0
2A | Turbine speed (+) | Turbine sensor | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the turbine sensor (See TURBINE SENSOR INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
2B | Turbine speed (-) | Turbine sensor | Ignition switch ON | Approx. 2.54 | • Inspect the turbine sensor (See TURBINE SENSOR INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
2C | Vehicle speed (-) | VSS | Ignition switch ON | Approx. 2.5 | • Inspect the VSS (See VEHICLE SPEED SENSOR (VSS) INSPECTION [SJ6A-EL]) • Inspect the related wiring harness
2D | Vehicle speed (+) | VSS | • Inspect using the wave profile. (See Inspection Using An Oscilloscope (Reference).) | • Inspect the VSS (See VEHICLE SPEED SENSOR (VSS) INSPECTION [SJ6A-EL]) • 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 (See SELECTOR LEVER COMPONENT INSPECTION) • 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 (See SELECTOR LEVER COMPONENT INSPECTION) • 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 (See SELECTOR LEVER COMPONENT INSPECTION) • Inspect the related wiring harness
Other ranges, all positions | B+
2K | TR switch (D range) | TR switch | D range | B+ | • Inspect the TR switch (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]) • 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 (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]) • 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 (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]) • 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 (See TRANSMISSION RANGE (TR) SWITCH INSPECTION [SJ6A-EL]) • 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 (See STEERING SHIFT SWITCH INSPECTION) • 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

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  • 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

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  • 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

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

Shift solenoid F control (-)

  • TCM terminal: 1O

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

Shift solenoid G control (+)

  • TCM terminal: 1Y

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

Shift solenoid G control (-)

  • TCM terminal: 1L

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

TCC control solenoid control (+)

  • TCM terminal: 1Q

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

TCC control solenoid control (-)

  • TCM terminal: 1D

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

Line pressure control solenoid control (+)

  • TCM terminal: 1R

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