Kia Optima: 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 Location
[Vehicle Components]
1. Automatic transaxle
2. Transaxle control module (TCM)
3. Shift lever
4. DLC
[Transaxle Components]
...