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:
Component Location (1)
1. Buzzer
2. RF receiver
3. Smart key unit
4. Interior antenna 1
5. Interior antenna 2
6. Trunk antenna
7. Bumper antenna
...
Removal
1.
Turn ignition switch OFF and
disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel
and reinforcing panel. (Refer to the Body group- crash ...
Injector. Description and Operation
Description
Based on information from various sensors, the ECM can calculate
the fuel amount to be injected. The fuel injector is a solenoid-operated valve
and the fuel injection amount is cont ...
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