Hyundai Sonata: Dual Clutch Transmission Control System / DCT Control Module (TCM) Schematic Diagrams
Hyundai Sonata LF 2014-2019 Service Manual / DCT (Dual Clutch Transmission) System / Dual Clutch Transmission Control System / DCT Control Module (TCM) Schematic Diagrams
| 1. TCM Connector and Terminal Function |
| 2. TCM Terminal Function |
Connector [A]
| Pin | Description | Pin | Description |
| 1 | Clutch Actuator (Clutch Motor 1 (ODD)_Phase V) | 17 | - |
| 2 | Clutch actuator (Clutch Motor 2 (EVEN) Phase V) | 18 | Clutch Actuator (Clutch Motor 1 (ODD)_HALL 1) |
| 3 | Select Actuator (Shift Solenoid 2 (EVEN)_Ground) | 19 | Clutch Actuator (Clutch Motor 1 (ODD)_Supply) |
| 4 | Select Actuator (Shift Solenoid 1 (ODD) Push) | 20 | Select Actuator (Shift Solenoid 1 (ODD)_Sensor Supply) |
| 5 | Clutch Actuator (Clutch Motor 1 (ODD)_Phase U) | 21 | Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Supply) |
| 6 | Clutch Actuator (Clutch Motor 2 (EVEN)_Phase U) | 22 | Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Ouput) |
| 7 | Select Actuator (Shift Solenoid 1 (ODD)_Ground) | 23 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 2) |
| 8 | Select Actuator (Shift Solenoid 2 (EVEN)_ Pull) | 24 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 3) |
| 9 | Clutch Actuator (Clutch Motor1 (ODD)_Phase W) | 25 | Clutch Actuator (Clutch Motor 2 (EVEN)_Ground) |
| 10 | Clutch Actuator (Clutch Motor 2 (EVEN)_Phase W) | 26 | Select Actuator (Shift Solenoid 1 (ODD)_Sensor Output) |
| 11 | Select Actuator (Shift Solenoid 1 (ODD) Pull) | 27 | - |
| 12 | Select Actuator (Shift Solenoid 2 (EVEN) Push) | 28 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 1) |
| 13 | Clutch Actuator (Clutch Motor 1 (ODD)_HALL 2) | 29 | Clutch Actuator (Clutch Motor 2 (EVEN)_Supply) |
| 14 | Clutch Actuator (Clutch Motor (ODD)_HALL 3) | 30 | Select Actuator (Select Solenoid 1 (ODD)_Sensor Ground) |
| 15 | Clutch Actuator (Clutch Motor 1 (ODD)_Ground) | 31 | Select Actuator (Select Solenoid 2 (EVEN)_Sensor Ground) |
| 16 | - | 32 | - |
Connector [B]
| Pin | Description | Pin | Description |
| 1 | - | 35 | - |
| 2 | - | 36 | - |
| 3 | ON / START Input | 37 | - |
| 4 | Paddle Shift (Up) Switch signal | 38 | - |
| 5 | Inhibitor Switch "P" Input signal | 39 | - |
| 6 | Inhibitor Switch "R" Input signal | 40 | - |
| 7 | Inhibitor Switch "D" Input signal | 41 | Shift Actuator (Shift Motor 2 (EVEN) _HALL 2) |
| 8 | Sports mode "Down" shift | 42 | Shift Actuator (Shift Motor 2 (EVEN) _HALL 3) |
| 9 | Clutch Speed Sensor (EVEN) Ground | 43 | Inhibitor Switch "M" Input signal |
| 10 | - | 44 | CAN1 Communication Port1 High |
| 11 | - | 45 | CAN1 Communication Port1 Low |
| 12 | - | 46 | - |
| 13 | Shift Actuator (Shift Motor 1 (ODD) _HALL 2) | 47 | - |
| 14 | Shift Actuator (Shift Motor 1 (ODD) _HALL 3) | 48 | Flex ray High (BP) |
| 15 | - | 49 | Input Speed Supply 1 (ODD) |
| 16 | - | 50 | Input Speed Signal 1 (ODD) |
| 17 | Battery Power Low VBD | 51 | - |
| 18 | Paddle Shift Down signal | 52 | - |
| 19 | Shift Lever Select Switch | 53 | - |
| 20 | Inhibitor Switch "N" Input signal | 54 | Shift Actuator (Shift Motor 2 (EVEN) _Supply) |
| 21 | Sports mode "Up" shift | 55 | Shift Actuator (Shift Motor 2 (EVEN) _HALL 1) |
| 22 | - | 56 | Shift Actuator (Shift Motor 2 (EVEN) _Sensor Ground) |
| 23 | Input Speed Supply 2 (EVEN) | 57 | Power Ground 1 for High Current Modules |
| 24 | 5V spare supply output | 58 | Power Ground 2 for High Current Modules |
| 25 | - | 59 | Shift Actuator (Shift Motor 2 (EVEN)_Phase W) |
| 26 | Shift Solenoid 1 Position Sensor Output | 60 | Shift Actuator (Shift Motor 1 (ODD)_Phase W) |
| 27 | Select Actuator (Shift Motor 1 (ODD)_HALL 1) | 61 | Power Ground 3 for High Current Modules |
| 28 | Select Actuator (Shift Motor 1 (ODD)_Sensor Ground) | 62 | - |
| 29 | - | 63 | Shift Actuator (Shift Motor 2 (EVEN)_Phase V) |
| 30 | CAN2 Communication Port2 High | 64 | Shift Actuator (Shift Motor 1 (ODD)_Phase V) |
| 31 | CAN2 Communication Port2 Low | 65 | Motor Supply Voltage 1 from Direct Battery |
| 32 | - | 66 | Motor Supply Voltage 2 from Direct Battery |
| 33 | - | 67 | Shift Actuator (Shift Motor 2 (EVEN)_Phase U) |
| 34 | Flex ray bus, BM | 68 | Shift Actuator (Shift Motor 1 (ODD)_Phase U) |
| 3. Terminal input/output signal |
Connector [A]
| Pin | Description | Condition | Input / output value | |
| Type | Level | |||
| 1 | Clutch Actuator (Clutch Motor 1 (ODD)_Phase V) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 2 | Clutch actuator (Clutch Motor 2 (EVEN) Phase V) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 3 | Select Actuator (Shift Solenoid 2 (EVEN)_Ground) | Static on | Output | 0V |
| 4 | Select Actuator (Shift Solenoid 1 (ODD) Push) | On | Output | 9V |
| Off | 0V | |||
| 5 | Clutch Actuator (Clutch Motor 1 (ODD)_Phase U) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 6 | Clutch Actuator (Clutch Motor 2 (EVEN)_Phase U) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 7 | Select Actuator (Shift Solenoid 1 (ODD) Ground) | Static on | Output | 0V |
| 8 | Select Actuator (Shift Solenoid 2 (EVEN)_ Pull) | On | Output | 9V |
| Off | 0V | |||
| 9 | Clutch Actuator (Clutch Motor1 (ODD)_Phase W) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 10 | Clutch Actuator (Clutch Motor 2 (EVEN)_Phase W) | Low | Output | 0V |
| PWM | 0V ~ Battery voltage | |||
| 11 | Select Actuator (Shift Solenoid 1 (ODD) Pull) | On | Output | 9V |
| Off | 0V | |||
| 12 | Select Actuator (Shift Solenoid 2 (EVEN) Push) | On | Output | 9V |
| Off | 0V | |||
| 13 | Clutch Actuator (Clutch Motor 1 (ODD)_HALL 2) | High | Input | 4.5V |
| Low | 0V | |||
| 14 | Clutch Actuator (Clutch Motor 1 (ODD)_HALL 3) | High | Input | 4.5V |
| Low | 0V | |||
| 15 | Clutch Actuator (Clutch Motor 1 (ODD)_Ground) | Ground | Ground | 0V |
| 16 | - | ? | ? | ? |
| ? | ? | |||
| 17 | - | ? | ? | ? |
| ? | ? | |||
| 18 | Clutch Actuator (Clutch Motor 1 (ODD)_HALL 1) | High | Input | 4.5V |
| Low | 0V | |||
| 19 | Clutch Actuator (Clutch Motor 1 (ODD)_Supply) | - | Power | 8.75V |
| 20 | Select Actuator (Shift Solenoid 1 (ODD)_Sensor Supply) | - | Power | 8.75V |
| 21 | Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Supply) | - | Power | 8.75V |
| 22 | Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Ouput) | High | Input | 4V |
| Low | 1V | |||
| 23 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 2) | High | Input | 4.5V |
| Low | 0V | |||
| 24 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 3) | High | Input | 4.5V |
| Low | 0V | |||
| 25 | Clutch Actuator (Clutch Motor 2 (EVEN)_Ground) | Ground | Ground | 0V |
| 26 | Select Actuator (Shift Solenoid 1 (ODD)_Sensor Output) | High | Input | 4V |
| Low | 1V | |||
| 27 | - | ? | ? | ? |
| ? | ? | |||
| 28 | Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 1) | High | Input | 4.5V |
| Low | 0V | |||
| 29 | Clutch Actuator (Clutch Motor 2 (EVEN)_Supply) | - | Power | 9V < Battery voltage < 16V |
| 30 | Select Actuator (Shift Solenoid 1 (ODD)_Sensor Ground) | Ground | Ground | 0V |
| 31 | Select Actuator (Shift Solenoid 2 (EVEN)_Sensor Ground) | Ground | Ground | 0V |
| 32 | - | ? | ? | ? |
| ? | ? | |||
Connector [B]
| Pin | Description | Condition | Input / output value | |
| Type | Level | |||
| 1 | ? | ? | ? | ? |
| ? | ||||
DCT Control Module (TCM) Description and Operation
Description
•
Function
The Transmission Control Module (TCM) is like the brain for
the Dual Clutch Transmission (DCT). It receives information from various
sensors for a wide range of tra ...
DCT Control Module (TCM) Repair procedures
Inspection
Transmission Control Module (TCM) Inspection Procedure
1.
Inspecting TCM ground circuit: Measure the resistance between the TCM and chassis ground.
(Check the terminal connected ...
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