Kia Forte: Transaxle Control Module (TCM) Description
Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Transaxle Control Module (TCM) 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
1. Automatic transaxle
2. Inhibitor switch
3. Transaxle Control Module (TCM)
4. Valve body cover
5. Solenoid valve connect
6. Oil temperature sensor
7. Valve body assembly ...
See also:
Overdrive Clutch Control Solenoid Valve(OD/C_VFS) Description
Overdrive Clutch(OD/C) Control Solenoid Valve is attached to the valve
body. This variable force solenoid valve directly controls the hydraulic pressure
inside the Overdrive Clutch(OD/C)
...
Inspection
Lighting Switch Inspection
With the multifunction switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified, replace
the mul ...
Hazard warning flasher
The hazard warning flasher serves as a warning to other drivers to exercise extreme
caution when approaching, overtaking, or passing your vehicle.
It should be used whenever emergency repairs ar ...
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- Kia Forte TD 2014-2018 Service Manual
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