Hyundai Elantra: Automatic Transaxle Control System / Torque Converter Control Solenoid Valve (T/CON_VFS) Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Torque Converter Control Solenoid Valve (T/CON_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)

Installation
1.
To install, reverse the removal procedure.
2.
Check fluid level after filling the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
3.
Perform the TCM adaptive values learning procedure.
(Refer to Automatic Transaxle Control System - "Repair procedures")
Torque Converter Control Solenoid Valve (T/CON_VFS) Schematic Diagrams
Circuit Diagram ...

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