Gearbox management system
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Actuators
Clutch actuator solenoid valves
Valve 3 in gear train half 1 N435,
valve 3 in gear train half 2 N439
The clutch actuator solenoid valves are located in the
mechatronic unit's hydraulic module.
● Solenoid valve N435 controls the oil volume for
clutch K1
They are actuated by the electronic gearbox control
unit. They are used to control the oil volume for
actuating the clutches.
● Solenoid valve N439 controls the oil volume for
clutch K2
Valve 3 in gear train half 1
N435
Valve 3 in gear train half 2
N439
S390_076
Effects of signal failure
If one of the solenoid valves fails, the corresponding gear train half is shut off.
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