Kia Cadenza: Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation

Kia Cadenza YG 2016-2025 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation

Description

Transaxle Control Module (TCM) is the automatic transaxle''s brain. The module receives and processes signals from various sensors and implements a wide range of transaxle controls to ensure optimal driving conditions for the driver. TCM is programmed for optimal response to any on-road situation. In the event of a transaxle failure or malfunction, TCM stores the fault information in memory so that the technician may reference the code and quickly repair the transaxle.

Functions

•	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.

Components and Components Location

Components Location [Vehicle Components] 1. Automatic transaxle2. Transaxle Control Module (TCM)3. Shift lever4. Date Linke Connector (DLC) [Transaxle Components] 1. Input speed sensor2. O ...

Transaxle Control Module (TCM) Schematic Diagrams

1. TCM connector and terminal function 2. TCM terminal function Connector [A] PinDescriptionPinDescription1-45Inhibitor switch signal ''S2''2-46Inhibitor switch signal ''S3''3-47Inhibitor swi ...

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