Solenoid valve SLB1, TCM AF 40 (531)
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Solenoid valve SLB1, TCM AF 40 (531)
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The solenoid valve is mounted in the gearbox valve housing.
The valve controls the pressure in brake B1. The valve is active in gear positions P, R, N, D (gears 1, 3, 4 and 5).
Electromagnetic, variable PWM controlled.
The control module activates the valve by pulsing it with B+ (300 Hz PWM). The valve is powered from control module pin 21 in the connector that makes contact directly with the gearbox on the bottom of the control module. The valve is grounded from pin 16. The current varies between 0-1000mA. The solenoid is normally open and the hydraulic pressure drops as the current increases.
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Pin no.
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Interface
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Description
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21
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B+ (300 Hz PWM)
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Solenoid SLB1
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16
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ground
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