NO.13 JUDDER UPON TORQUE CONVERTER CLUTCH (TCC) OPERATION [DJVA-EL]

id050312247500

13	Judder upon torque converter clutch (TCC) operation
DESCRIPTION	•  Vehicle jolts when torque converter clutch (TCC) is engaged.
POSSIBLE CAUSE	Torque converter clutch (TCC) piston slippage caused by torque converter clutch (TCC) burn, or insufficient engagement from a decrease in operation pressure can be considered possible causes. The symptom troubleshooting procedure is basically the same as, "NO.11 TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION". (See NO.11 TORQUE CONVERTER CLUTCH (TCC) NON-OPERATION [DJVA-EL].) Caution •  If the torque converter clutch (TCC) piston is burnt, inspect it. In addition, inspect the oil cooler for foreign particles. •  Torque converter clutch (TCC) piston burnt, slippage ―  Line pressure low ―  Input signal malfunction (Characteristic defective) •  APP sensor •  CKP sensor •  Input/turbine speed sensor •  Transaxle fluid temperature (TFT) sensor •  VSS •  Sensor GND ―  Control solenoid malfunction (Sticking) •  Torque converter clutch (TCC) solenoid •  Torque converter clutch (TCC) engage solenoid •  Body GND ―  Control valve body malfunction (Improper operation, stuck, restrict oil line) •  Torque converter clutch (TCC) operation system