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

Description
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Monitors the vehicle's operating conditions to determine the optimal gear setting.
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Performs a gear change if the current gear setting differs from the identified optimal gear setting.
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Determines the need for Damper Clutch (D/C) activation and engages the clutch accordingly.
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Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly.
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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: 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 ...

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