Scantool Diagnostics

Automatic Transaxle
P0743 Torque Converter Clutch Circuit Electrical - Scantool Diagnostics

Monitor GDS Data

1. Connect GDS to data link connector(DLC)
2. Engine "ON".
3. Monitor the "TCC SOL. VALVE" parameter on the GDS.
4. Select "D RANGE" and Operate the vehicle in 5th gear.
5. Check "TCC SOL. VALVE" parameter value changes while driving.

Specification :TCC SLIP < 40RPM+ Vsp1/2 (TCCSV current > 6.5A )
































Fig 1) "P" range - No Torque Converter Clutch operation
Fig 2) "R" range - No Torque Converter Clutch operation
Fig 3) "N" range - No Torque Converter Clutch operation
Fig 4) 1st gear in "D" range - No Torque Converter Clutch operation
Fig 5) 2nd gear in "D" range - No Torque Converter Clutch operation
Fig 6) 3rd gear in "D" range - No Torque Converter Clutch operation
Fig 7) 4th gear in "D" range - Torque Converter Clutch operation
Fig 8) 5th gear in "D" range - Torque Converter Clutch operation
6. Is the measured "TCC SLIP(DAMPER CLUTCH SL.RPM)" within specifications ?