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 and Components Location
Components Location
[Vehicle Components]
1. Automatic transaxle
2. Transaxle control module (TCM)
3. Shift lever
4. DLC
[Transaxle Components]
...
See also:
Steering wheel audio controls
The steering wheel may incorporate audio control buttons.
CAUTION
Do not operate audio remote control buttons simultaneously.
VOLUME ( +/- ) (1)
Press the lever upward ( ) to increase the vo ...
Repair procedures
Operation and Leakage Check
Check all of the following items:
Component
Procedure
Brake Booster (A)
Check brake operation by applying the brakes durin ...
When to replace seat belts
The entire in-use seat belt assembly or assemblies should be replaced if the
vehicle has been involved in an accident. This should be done even if no damage
is visible. Additional questions concer ...
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