Kia Sedona: Underdrive Brake Control Solenoid Valve(UD/B_VFS) Repair procedures
Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Repair procedures
| Inspection |
| 1. |
Turn ignition switch OFF. |
| 2. |
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery") |
| 3. |
Disconnect the solenoid valve connector (A).
|
| 4. |
Measure the resistance between power terminal (5) and signal terminal (16).
|
| Replacement |
If a solenoid valve of VFS type needs to be replaced, the
valve body assembly should be replaced and the oil pressure should be
adjusted. If the solenoid valve is replaced individually, it is not
possible to adjust the oil pressure without additional equipment, and if
the oil pressure adjustment procedure is not performed, a shift shock
or delay may occur. |
| 1. |
Replace the valve body assembly.
(Refer to Hydraulic System - "Valve Body") |
Underdrive Brake Control Solenoid Valve(UD/B_VFS) Schematic Diagrams
Circuit Diagram
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Overdrive Clutch Control Solenoid Valve(OD/C_VFS) Specifications
Specification
Item SpecificationControl typeN/H (Normal High)Control pressure kpa (kgf/cm², psi)"500.14 ~ 9.81 (5.1 ~ 0.1, 72.54 ~ 1.42)"Current value (mA)50 ~ 850Coil resistance(Ω)5.1 ± 0.3
...
Other Information:
Rail Pressure Sensor (RPS) Specifications
Specification
Pressure [MPa (kgf/cm², psi)]Output Voltage (V) [Ref=5V]0 (0, 0)0.510 (102, 1450)2.520 (204, 2900)4.5
...
Output Speed Sensor Components and Components Location
Component Location
1. Output speed sensor2. Input speed sensor
...
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