Hyundai Elantra (CN7): Dual Clutch Transmission Control System / Description and operation

Hyundai Elantra (CN7) 2021-2026 Service Manual / DCT(Dual Clutch Transmission) System / Dual Clutch Transmission Control System / Description and operation

Description
The Dual Clutch Transmission (DCT) control system measures required data to identify the state of the control target and computes the appropriate compensation value if adjustment is necessary. The actuator is controlled according to the computed compensation value to obtain desired output.
If transmission or driving-performance-related failure is detected, first perform self-diagnosis and basic transmission inspection (oil check).
Then use the diagnostic tool to inspect the transmission control system components.
Operation principle

    Description and operation Description• Function The Transmission Control Module (TCM) is like the brain for the Dual Clutch Transmission (DCT).

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Compressor

    Description and operation DescriptionThe compressor is the power unit of the A/C system.It is located on the side of engine block and driven by a V-belt of the engine.The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Mode Control Actuator

    Description and operation DescriptionThe mode control actuator is located at the heater unit.It adjusts the position of the mode door by operating the mode control actuator based on the signal of the A/C control unit. Pressing the mode select switch makes the mode control actuator shift in order of Vent → Bi-Level → Floor → Mix.

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