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[RC4A-El] Automatic Transmission/Transaxle

Inspection Using an Oscilloscope (Reference)

Turbine sensor






^ TCM terminal: 2G (+)-2M (--)
^ Oscilloscope setting: 5 V/DIV (Y) 250 microseconds/DIV (X)
^ Measuring condition: Vehicle speed at 20 km/h (12 mph) (M range 1GR)

Vehicle speed





^ TCM terminal: 2K (+)-2M
^ Oscilloscope setting: 5 V/DIV (Y) 2.5 ms/DIV (X)
^ Measuring condition: Vehicle speed at 20 km/h (12 mph) (M range 1GR)

Shift solenoid IF control





^ TCM terminal: 2P (+)-2U
^ Oscilloscope setting: 5 V/DIV (Y) 10 ms/DIV (X)
^ Measuring condition: P, N position, Idle

Shift solenoid B control





^ TCM terminal: 2S (+)-2U
^ Oscilloscope setting: 5 V/DIV (Y) 10 ms/DIV (X)
^ Measuring condition: P, N position, Idle

Shift solenoid C control





^ TCM terminal: 2V (+)-2U
^ Oscilloscope setting: 5 V/DIV (Y) 10 ms/DIV (X)
^ Measuring condition: P, N position, Idle

TCC solenoid control (TCC on)





^ TCM terminal: 2W (+)-2M (-)
^ Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
^ Measuring condition: D range, TCC on (60 km/h (37 mph) or more)

TCC solenoid control (TCC off)





^ TCM terminal: 2W (+)-2M (-)
^ Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
^ Measuring condition: P, N position, Idle

Shift solenoid A control





^ TCM terminal: 2Y (+)-2U
^ Oscilloscope setting: 5 V/DIV (Y) 10 ms/DIV (X)
^ Measuring condition: D range, 4GR