Component Inspection

Automatic Transaxle
P0742 Torque Converter Clutch Stuck On - Component Inspection

Component Inspection

Check Torque Converter Clutch Solenoid Valve
1. Connect scantool to data link connector(DLC)
2. Ignition "ON" & Engine "OFF".
3. Select A/T Solenoide valve Actuator test and Operate Actuator test.
4. Can you hear operating sound for using TCC SOLENOID VALVE Actuator Testing Function ?
YES
1) Go to "CHECK OIL PRESSURE" as below.
NO
1) Replace "TCC SOLENOID VALVE" as necessary and Go to "Verification of Vehicle Repair" procedure
Check Oil Pressure




1. Connect Oil pressure guage to "DR" port.
2. Ignition "ON" & Engine "OFF".
3. After connecting Scantool and monitor the "TCC SOLENOID VALVE DUTY" parameter on the Scantool data list.
4. Select 1st gear and accelerate Engine speed to 2500 rpm
5. Measure oil pressure
A. Specification : Approx. 6.1kg/cm2
6. Is oil pressure value within specifications?
YES
1) Repair TORQUE CONVERTER CLUTCH(REPLACE Torque Converter ) as necessary and Go to "Verification of Vehicle Repair " procedure.
NO
1) Replace A/T ass'y (possible to BODY CONTROL VALVE faulty) as necessary and Go to "Verification of Vehicle Repair " procedure.