Hyundai Elantra: 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: Vacuum Pump Repair procedures
Removal
1.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
2.
Remove the timing chain.
(Refer to Timing System - "Timing Chain")
3.
Remove the vacuum pump (A).
•
Do not disassemble the vacuum pump.
4.
To ins ...
Hyundai Elantra AD (2016-2020) Service Manual: Intake Air Temperature Sensor (IATS) Description and Operation
Description
Intake Air Temperature Sensor (IATS) is included inside
Manifold Absolute Pressure Sensor and detects the intake air
temperature.
To calculate precise air quantity, correction of the air
temperature is needed because air density varies according to the
temperature. So the ECM ...
