Hyundai Elantra: Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Automatic Transaxle System / 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: Repair procedures
Adjustment Glass Adjustment • Check the glass run channel for damage or deterioration, and replace it if necessary. 1. Remove the front door trim. (Refer to Front Door - "Front Door Trim") 2. Separate the mounting plug hole (A) from the front door module. ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Oil Seal Repair procedures
Replacement 1. Remove the crankshaft damper pulley. (Refer to Timing System - "Crankshaft Damper Pulley") 2. Remove the front oil seal (A). 3. Apply engine oil on the edge of new oil seal. • Remove any debris from the lip portion of the oil seal. 4. ...