CVT SYSTEM

OPERATION

The functions of each solenoid valve are outlined in the table below.

Solenoid Valve	Type	Control	Operating State	Function
DS1	3-way	Duty-cycle Control	Duty ratio decreases (OFF): Control pressure decreases Duty ratio increases (ON): Control pressure increases	Controls the oil inflow to the primary pulley.
DS2	3-way	Duty-cycle Control	Duty ratio decreases (OFF): Control pressure decreases Duty ratio increases (ON): Control pressure increases	Controls the oil outflow from the primary pulley.
DSU	3-way	Duty-cycle Control	Duty ratio decreases (OFF): Control pressure decreases Duty ratio increases (ON): Control pressure increases	Controls the lock-up clutch engagement oil pressure.
SLT	Linear	Current Control	Current decreases: Control pressure increases Current increase: Control pressure decreases	Controls the line pressure. Controls the engagement oil pressure of the forward clutch and reverse brake.
SLS	Linear	Current Control	Current decreases: Control pressure increases Current increase: Control pressure decreases	Controls the secondary pulley oil pressure. Controls the engagement oil pressure of the forward clutch and reverse brake.