Hyundai Elantra: Automatic Transaxle Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Repair procedures

Hyundai Elantra AD (2016-2020) 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 resistance between sensor signal terminal and sensor ground terminal.

5.	Check that the resistance is within the specification.

Replacement

If necessary replace the valve body or solenoid valves, hydraulic adjustment is needed, replace the automatic transaxle assembly.

After the automatic transaxle assembly exchange, input the hydraulic calibration information of TCM.

1.	Perform the oil pressure characteristics input procedure. • Oil pressure characteristics(bar code) location • Oil-pressure characteristics input (Transmision exchange)

Underdrive Brake Control Solenoid Valve(UD/B_VFS) Schematic Diagrams

Circuit Diagram ...

Overdrive Clutch Control Solenoid Valve(OD/C_VFS) Description and Operation

Description • Overdrive clutch control solenoid valve(OD/C_VFS) is attached to the valve body. • This variable force solenoid valve directly controls the hydraulic pressure inside the ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the trunk lide trim. (Refer to Body - "Trunk Lid Trim") 3. Disconnect the back view camera connector. 4. Remove the back view camera (A) after loosening the moungting screws. Installation 1. Install the back vie ...

Hyundai Elantra AD (2016-2020) Owners Manual: Winter Driving
The severe weather conditions of winter quickly wear out tires and cause other problems. To minimize winter driving problems, you should take the following suggestions: Snow or Icy Conditions You need to keep sufficient distance between your vehicle and the vehicle in front of you. Apply the ...