If lack of Torque Converter Clutch Solenoid Valve circuit continuity is detected, TCM sets DTC P0743.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Circuit Monitoring | 1. Defected Torque Converter Hydraulic System 2. Defected Torque Converter Solenoid Valve 3. Defected Valve Body |
Enable Conditions |
•
Ignition "ON"
•
Normal Battery Voltage | |
Threshold value |
•
Lack of Circuit Continuity | |
Detecting Time |
•
0.2 Sec. | |
Fail safe |
•
Damper Clutch "OFF" | |
MIL ON Condition |
•
2nd Driving Cycle |
