Kia Sedona: Transaxle Control Module (TCM) Description and Operation
Third generation YP (2014-2025) / Kia Sedona YP Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation
| Description |
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.
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 torque converter clutch 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 faults and failures for automatic transaxle. |
| Operation |
Transaxle Control Module (TCM) Components and Components Location
Component Location
1. Transaxle Control Module (TCM) ...
Transaxle Control Module (TCM) Schematic Diagrams
TCM Connector
TCM terminal function
Connector [A]
PinDescription10CAN (High)27Ignition switch29Sports mode up switch35CAN (Low)44Inhibitor switch signal ''S1''45Inhibitor switch signal ''S2''4 ...
Other Information:
Turn signals when towing a trailer
When you tow a trailer, your vehicle has to have a different turn signal flasher
and extra wiring. The green arrows on your instrument panel will flash whenever
you signal a turn or lane change. P ...
Transaxle Oil Temperature Sensor Description and Operation
Description
•
The sensor used is a thermistor (NTC) in which resistance changes with temperature variation.
•
The TCM supplies about 5 voltage to the sensor; the output value ...
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