Hyundai Equus: Transmission Control Module (TCM) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Automatic Transmission System (SBC) / Automatic Transmission Control System / Transmission Control Module (TCM) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Automatic Transmission System (SBC) / Automatic Transmission Control System / Transmission Control Module (TCM) Description and Operation
| Description |
Transmission Control Module (TCM) is the automatic
Transmission's brain. The module receives and processes signals from
various sensors and implements a wide range of Transmission 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 transmission failure or malfunction, TCM
stores the fault information in memory so that the technician may
reference the code and quickly repair the transmission.
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 transmission for faults and failures. |
Components and Components Location
Components Location
[Vehicle Components]
1. Transmission Control Module(TCM)2. Shift lever3. Date Link Connector (DLC)
[Transmission Components]
1. Input speed sensor2. Middle speed se ...
Transmission Control Module (TCM) Schematic Diagrams
1. TCM Connector and Terminal Function
2. TCM Terminal Function
Connector
PinDescriptionPinDescription1Battery power48-2Battery power49-3Power(IG 1)5027 Brake control solenoid valve4Ground51-5G ...
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Crankshaft Position Sensor (CKPS) Troubleshooting
Signal Waveform
This example shows a typical Crankshaft Position Sensor (CKPS) and Camshaft Position Sensor (CMPS) waveform at idle. ...
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