Hyundai Tucson Quiz
AUTOMATIC TRANSMISSION SYSTEM

Low Speed Brake Control Solenoid Valve (UD/B_VFS)

In this manual: AUTOMATIC TRANSMISSION SYSTEM
General Information — 17Engine Mechanical System — 51Engine Electrical System — 26Emission Control System — 23Engine/Fuel Control System — 44Clutch System — 12MANUAL TRANSMISSION SYSTEM — 12AUTOMATIC TRANSMISSION SYSTEM — 42Four-Wheel Drive (4WD) System — 14Drive Shaft and Axle — 22Suspension System — 30Steering System — 16Restraint — 21Braking System — 47Body Work (Interior and Exterior) — 145Body Electrical System — 162Heating, Ventilation and Air Conditioning — 39
5steps
~30min
2/5difficulty
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Description and Operation

Description

  • The underdrive brake control solenoid valve (UD/B) is mounted on the valve body.
  • This variable force solenoid valve indirectly regulates the hydraulic pressure inside the underdrive brake.

Specifications

Specifications

Brake/Clutch Control VFS [UD/B] ▷ Control Type: Normally High Type
Control Pressure [kPa (kgf/cm², psi)] 500,14~9,81 (5,1~0,1, 72,54~1,42)
Current Value (mA) 850~50
Internal Resistance (ohm) 5.1

Circuit Diagrams

Wiring Diagram

Repair Procedures

Inspection

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the battery and battery tray. (Refer to Engine Electrical System - "Battery".)
  3. Disconnect the connector (A) from the solenoid valve.
  4. Measure the resistance between the sensor signal terminal and the sensor ground terminal.
  5. Check that the resistance is within specification.

DEPOSIT

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