Kia Carens: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Description and operation
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Underdrive brake control solenoid valve is a Variable Force Solenoid
(VFS) type.
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When TCM supplies variable current to solenoid valve, hydraulic pressure
of underdrive brake is controlled by solenoid valve.

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Underdrive brake control solenoid valve operation table
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UD/B_VFS
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N/H
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N, P
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●
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1
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2
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3
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4
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5
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●
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6
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●
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R
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●
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● : Connected status
Component Location
1. Underdrive brake control solenoid valve (UD/B_VFS) ...
Other information:
Specification
Item
Specification
Coil Resistance (Ω)
1.5 [20°C(68°F)]
...
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper cover.
(Refer to Body - "Rear Bumper Cover")
3.
Disconnect the BSD connector (A).
4. ...