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: A/C Pressure Transducer

    Description and operation DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

    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.

    Categories

     
    Copyright © 2026 www.helantra7.com - 0.0226