Hyundai Accent: Transaxle Control Module (TCM). Description and Operation
Hyundai Accent RB (2010-2018) Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / 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.
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| • |
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.
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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:
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the oil temperature sensor connector.
3.
Measure resistance between ...
Output Speed Sensor. Troubleshooting
Signal Waveform
Fig 1) Input/Output speed sensor at low speed
Fig 2) Input/Output speed sensor at high speed
...
Description and Operation
Warning Lamp Activation
Warning Lamp Behavior after Ignition
On
As soon as the operating voltage is applied to the SRSCM ignition input,
the SRSCM activates the warning lamp fo ...
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