Control Module: Testing and Inspection

TRANSAXLE CONTROL MODULE (TCM) INSPECTION
Terminal Voltage Chart (Reference Data)





Part 1 of 4





Part 2 of 4





Part 3 of 4





Part 4 of 4

Note: Use the ground of terminal 1J of the TOM when measuring terminal voltage, as an error may occur when connecting the negative circuit tester to ground.

Inspection Using An Oscilloscope Pressure control solenoid signal





- TCM terminal: 1 F (+)-1 J (-)
- Oscilloscope setting: 5V/DIV (Y) 5 ms/DIV (X)
- Measuring condition: Idle after warm-up

Engine speed input signal





- TCM terminal: 1 G (+)-1 J (-)
- Oscilloscope setting: 2WDIV (Y) 2ms/DIV (X)
- Measuring condition: Idle after warm-up

Vehicle speed signal





- TCM terminal: 11 (+)-1J (-)
- Oscilloscope setting: 2V/DIV (Y) 500s/DIV (X)
- Measuring condition: Vehicle speed at 20km/h (12mph)

TCC control solenoid signal





- TCM terminal: 1M (+)-1J (-)
- Oscilloscope setting: 5V/DIV (Y) 5 ms/DIV (X)
- Measuring condition: Idle after warm-up

Output speed signal





- TCM terminal: 2J (+)-1J (-)
- Oscilloscope setting: 2V/DIV (Y) 20 ms/DIV (X)
- Measuring condition: Vehicle speed at 10km/h (6mph)