Toyota Corolla Cross: Drivetrain

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and reading various data output from the clearance warning ECU assembly. The clearance warning ECU assembl

 Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off (P275600,P27567E)

DESCRIPTION Using the current from the TCM, the shift solenoid valve SLU controls the lock-up clutch pressure, and performs lock-up and flex lock-up control. The TCM compares the engagement condition of the lock-up clutch with the lock-up schedule in the TCM memory to detect mechanical malfunc