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TM-30 < SYSTEM DESCRIPTION > [CVT: RE0F09B] SYSTEM Appropriate line pressure and secondary pressure suitable for driving condition are determined based on the Secondary Pressure Feedback Control In normal oil pressure control and oil pressure control in shifting, highly accurate secondary pressure is deter- LOCK-UP AND SELECT CONTROL SYSTEM LOCK-UP AND SELECT CONTROL SYSTEM : System Diagram INFOID:0000000009650090 LOCK-UP AND SELECT CONTROL SYSTEM : System Description INFOID:0000000009650091 • The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to increase power transmission efficiency. • The torque converter clutch control valve operation is controlled by the torque converter clutch solenoid valve, which is controlled by a signal from TCM. The torque converter clutch control valve engages or • When shifting between “N” (“P”) ⇒ “D” (“R”), torque converter clutch solenoid valve controls engagement power of forward clutch and reverse brake. • The lock-up applied gear range was expanded by locking up the torque converter at a lower vehicle speed than conventional A/T • If the CVT fluid temperature is low or the vehicle is in fail-safe mode due to malfunction, lock-up control is prohibited. Lock-up Released In the lock-up released state, the torque converter clutch control valve is set into the unlocked state by the Lock-up Applied In the lock-up applied state, the torque converter clutch control valve is set into the locked state by the torque JSDIA1355GB JPDIA0312GB |