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: Special Service Tools
Special Service Tools
Tool (Number and Name)IllustrationUseDeployment tool0957A-34100AAirbag deployment tool.Use with (0957A-AL140, 0957A-AL150, 0957A-AL160)Dummy0957A-38200Simulator to check the resistanceof each wiring harness.Use with (0957A-AL170, 0957A-AL180, 0957A-AL190)Airbag deployment ...
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 ...
