| 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
Transaxle Control Module (TCM) Schematic DiagramsHyundai Elantra AD (2016-2020) Owners Manual: Interior Lights
WARNING
Do not use the interior lights when driving in the dark. The interior lights
may obscure your view and cause an accident.
NOTICE
Do not use the interior lights for extended periods when the engine is turned
off or the battery will discharge.
Interior lamp AUTO cut
The interior lamps ...
Hyundai Elantra AD (2016-2020) Service Manual: Battery Sensor Description and Operation
Description
Vehicles have many control units that use more electricity.
These units control their own system based on information from diverse
sensors. It is important to have a stable power supply as there diverse
sensors giving a variety of information. Battery sensor is mounted on
ba ...