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 ...

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Hyundai Elantra AD (2016-2020) Owners Manual: Immobilizer Indicator Light
Immobilizer Indicator Light (without smart key) This indicator light illuminates: • When the vehicle detects the immobilizer in the key with the ignition switch in the ON position. - At this time, you can start the engine. - The indicator light goes off after starting the engine. This ind ...

Hyundai Elantra AD (2016-2020) Service Manual: General Information
General 1. This measurements are provided as reference for A/S, so it can not be used as specification. 2. Basically, all measurements in this manual are taken with a tracking gauge. 3. When a measuring tape is used, check to be sure there is no elongation, twisting or bending. 4. ...

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