| 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) Service Manual: Front Door Trim Components and Components Location
Component Location
1. Front door trim
...
Hyundai Elantra AD (2016-2020) Service Manual: Power Mosfet Repair procedures
Inspection
1.
Turn the ignition switch ON.
2.
Manually operate the control switch and measure the voltage of the blower motor.
3.
Select the control switch to raise the voltage until high speed.
Specification
Fan Speed (Manual)Motor Voltage (V)13.4 ± 0.5 (A/C OFF)3.8 ± 0.5 (A/C ON)25 ...