SSANGYONG KYRON 2010.01 Manual page 568

01-20
3410-01
7. HYDRAULIC CONTROL SYSTEM
The hydraulic controls are located in the valve body, pump body and main case.
The valve body contains the following :
- Manual valve
- Three shift valves
- Sequence valve
- Solenoid supply pressure regulator valve
- Line pressure control valve
- Clutch apply feed regulator valve
- Band apply feed regulator valve
- Solenoid S1 to S6
- Reverse lockout valve
The pump cover contains the following :
- Primary regulator valve for line pressure
- Converter clutch regulator valve
- Converter clutch control valve
- Solenoid S7
The main case contains the following :
- B1R exhaust valve
All upshifts are accomplished by simultaneously switching on a shift valve(s), switching VPS
pressure to the band and/or clutch regulator valve, and then sending the VPS a ramped
current. The shift is completed by switching the regulators OFF and at the same time causing
the VPS to reach maximum pressure.
All downshifts are accomplished by switching VPS pressure to the band and/or clutch regulator
valve and sending a ramped current to the VPS. The shift is completed by simultaneously
switching the regulators OFF, switching the shift valves and at the same time causing the VPS
to return to stand-by pressure.
The primary regulator valve is located in the pump cover and supplies four line pressures; high
and low for forward gears, and high and low for reverse. This pressure has no effect on shift
quality and merely provides static clutch capacity during steady state operation. Low pressure
can be obtained by activating an ON/OFF solenoid with high line pressure being the default
mode.
Torque converter lock-up is initiated by toggling the converter clutch control valve with an
ON/OFF solenoid.
The actual apply and release of the clutch is regulated by the VPS via the converter clutch
regulator valve.
The solenoid supply pressure regulator valve provides reference pressure for all the solenoids.
ION 4-SPEED
KYRON 2010.01