SOLENOID VALVE [EV6A-EL, EV6AX-EL]
SOLENOID VALVE [EV6A-EL, EV6AX-EL]
SM2565449
id0517o3363700
Purpose/Function
• The solenoid valve implements shift point control, shift hydraulic pressure control, and TCC control by adjusting the pressure in each circuit based on the control signal from the TCM.
• The part name of each solenoid valve and function are as follows.
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Part name |
Function |
|---|---|
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Pressure control solenoid
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• Adjusts the pressure control solenoid pressure to control line pressure.
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Shift solenoid No.1
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• Adjusts the hydraulic pressure in the low clutch circuit.
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Shift solenoid No.2
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• Adjusts the hydraulic pressure in the 2-6 brake circuit.
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Shift solenoid No.3
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• Adjusts the hydraulic pressure in the R-3-5 brake circuit.
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Shift solenoid No.4
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• Adjusts the hydraulic pressure in the high clutch circuit and the low and reverse brake circuit.
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Torque converter clutch (TCC) control solenoid
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• Adjusts the hydraulic pressure in the lock-up control circuit.
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On/off solenoid
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• Performs switching of the shift valve in the control valve body.
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Construction
• Each type of solenoid valve is as follows.
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Item |
Type |
|---|---|
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Pressure control solenoid
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Normal open-type linear solenoid
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Shift solenoid No.1
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Normal closed-type linear solenoid
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Shift solenoid No.2
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Normal closed-type linear solenoid
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Shift solenoid No.3
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Normal open-type linear solenoid
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Shift solenoid No.4
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Normal open-type linear solenoid
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TCC control solenoid
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Normal closed-type linear solenoid
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On/off solenoid
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Normal open-type on/off solenoid
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• Each solenoid valve is installed to the solenoid control valve body.
am3zzn00007648
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Operation
• Each solenoid valve operates as follows.
|
Item |
Operation |
|---|---|
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Pressure control solenoid
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• Adjusts the pressure control solenoid pressure by increasing/decreasing the energization current to the pressure control solenoid according to the signal from the TCM.
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Shift solenoid No.1
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• Adjusts the low clutch pressure by increasing/decreasing the energization current to shift solenoid No.1 according to the signal from the TCM.
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Shift solenoid No.2
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• Adjusts the 2-6 brake pressure by increasing/decreasing the energization current to shift solenoid No.2 according to the signal from the TCM.
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Shift solenoid No.3
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• Adjusts the R-3-5 brake pressure by increasing/decreasing the energization current to shift solenoid No.3 according to the signal from the TCM.
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Shift solenoid No.4
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• Adjusts the high clutch pressure and the low and reverse brake pressure by increasing/decreasing the energization current to shift solenoid No.4 according to the signal from the TCM.
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TCC control solenoid
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• Adjusts the TCC control clutch pressure by increasing/decreasing the energization current to the TCC control solenoid according to the signal from the TCM.
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ON/OFF solenoid
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Non-energization (OFF)
• When the on/off solenoid is off, the supply port in the solenoid opens. As a result, hydraulic pressure is supplied to operate the shift valve.
Energized (ON)
• When the on/off solenoid is on, the drain port in the solenoid opens. As a result, hydraulic pressure which operates the shift valve is drained.
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