Kia Optima: Underdrive Brake Control Solenoid Valve(UD/B_VFS). Description and OperationDescription
Underdrive brake control solenoid valve(UD/B_VFS) is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the underdrive brake.

Removal
Underdrive Brake Control Solenoid Valve(UD/B_VFS). SpecificationsETC (Electronic Throttle Control) System. Schematic Diagrams
Circuit Diagram
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Operation of the rear parking assist system
Operating condition
This system will activate when backing up with the ignition switch ON.
The sensing distance while the rear parking assist system is in operation
is approximately 120 cm (4 ...
Removal
1.
Turn the ignition switch OFF and disconnect the battery
negative (-) cable.
2.
Lift the vehicle.
3.
Disconnect the canister cl ...