Hyundai Elantra: Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation
| Description |
| • |
Monitors the vehicle's operating conditions to determine the optimal gear setting. |
| • |
Performs a gear change if the current gear setting differs from the identified optimal gear setting. |
| • |
Determines the need for Damper Clutch (D/C) activation and engages the clutch accordingly. |
| • |
Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly. |
| • |
Diagnoses the automatic transaxle for faults and failures. |
Repair procedures
Adjustment
Transaxle Control Module(TCM) Learning
When shift shock is occurred or parts related with the transaxle are replaced, TCM learning should be performed.
In the following case, TCM l ...
Transaxle Control Module (TCM) Schematic Diagrams
TCM Connector and Terminal Function
TCM Terminal Function
Connector [A] Connector [K] PinDescriptionPinDescriptionA1Overdrive clutch control solenoid valve(OD/C_VFS)K8FLEXRAY COMM. Signal HIGHA5 ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Start/Stop Button Repair procedures
Removal
1.
Disconnect the negative(-) battery terminal.
2.
Remove the crash ped lower panel.
(Refer to Body - "Crash Ped Lower Panel")
3.
Remove the start/stop button (B) after disconnect the connector (A).
Installation
1.
Install the start/stop button.
2.
Install the crash pa ...
Hyundai Elantra AD (2016-2020) Service Manual: In-car Sensor Repair procedures
Diagnosis With GDS
1.
The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).
? The diagnostic system (GDS) provides the following information.
(1) Self diagnosis : Checking the failure code (DTC) and display.
(2) Current dat ...
