Hyundai Ioniq: Dual Clutch Transmission Control System / DCT Control Module (TCM). Schematic diagrams

Hyundai Ioniq (AE) 2017-2024 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 (Select Solenoid 2 (EVEN)_Ground)	19	Clutch Actuator (Clutch Motor 1 (ODD)_Sensor Supply)
4	Select Actuator (Select Solenoid 1 (ODD) Push)	20	Select Actuator (Select Solenoid 1 (ODD)_Sensor Sensor Supply)
5	Clutch Actuator (Clutch Motor 1 (ODD)_Phase U)	21	Select Actuator (Select Solenoid 2 (EVEN)_Sensor Sensor Supply)
6	Clutch Actuator (Clutch Motor 2 (EVEN)_Phase U)	22	Select Actuator (Select Solenoid 2 (EVEN)_Sensor Ouput)
7	Select Actuator (Select Solenoid 1 (ODD)_Ground)	23	Clutch Actuator (Clutch Motor 2 (EVEN)_HALL 2)
8	Select Actuator (Select 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 (Select Solenoid 1 (ODD)_Sensor Output)
11	Select Actuator (Select Solenoid 1 (ODD) Pull)	27	-
12	Select Actuator (Select 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)_Sensor 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 Sensor 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) _Sensor 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 Sensor Supply 2 (EVEN)	57	Power Ground 1 for High Current Modules
24	5V spare Sensor Supply output	58	Power Ground 2 for High Current Modules
25	-	59	Shift Actuator (Shift Motor 2 (EVEN)_Phase W)
26	Shift Actuator (Shift Motor 1 (Odd)_Sensor Supply)	60	Shift Actuator (Shift Motor 1 (ODD)_Phase W)
27	Shift 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 Sensor Supply Voltage 1 from Direct Battery
32	-	66	Motor Sensor 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 (Select Solenoid 2 (EVEN)_Ground)	Static on	Output	0V
4	Select Actuator (Select 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 (Select Solenoid 1 (ODD) Ground)	Static on	Output	0V
8	Select Actuator (Select 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 (Select Solenoid 1 (ODD) Pull)	On	Output	9V
		Off		0V
12	Select Actuator (Select 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)_Sensor Supply)	-	Power	8.75V
20	Select Actuator (Select Solenoid 1 (ODD)_Sensor Sensor Supply)	-	Power	8.75V
21	Select Actuator (Select Solenoid 2 (EVEN)_Sensor Sensor Supply)	-	Power	8.75V
22	Select Actuator (Select 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 (Select 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)_Sensor Supply)	-	Power	9V < Battery voltage < 16V
30	Select Actuator (Select Solenoid 1 (ODD)_Sensor Ground)	Ground	Ground	0V
31	Select Actuator (Select Solenoid 2 (EVEN)_Sensor Ground)	Ground	Ground	0V
32	-

Connector [B]

Pin	Description	Condition	Input / output value
			Type	Level
1

2

3	ON / START Input	-	Power	9V < Battery voltage < 16V
4	Paddle Shift (Up) Switch signal	High	Input	9V < Battery voltage < 16V
		Low		0V
5	Inhibitor Switch "P" Input signal	High	Input	9V < Battery voltage < 16V
		Low		0V
6	Inhibitor Switch "R" Input signal	High	Input	9V < Battery voltage < 16V
		Low		0V
7	Inhibitor Switch "D" Input signal	High	Input	9V < Battery voltage < 16V
		Low		0V
8	Sports mode "Down" shift	High	Input	9V < Battery voltage < 16V
		Low		0V
9	Clutch Speed Sensor (EVEN) Ground	High	Input	0.448V
		Low		0.224V
10	-

11	-

12	-

13	Shift Actuator (Shift Motor 1 (ODD) _HALL 2)	High	Input	4.5V
		Low		0.8
14	Shift Actuator (Shift Motor 1 (ODD) _HALL 3)	High	Input	4.5V
		Low		0.8
15	-

16	-

17	Battery Power Low VBD	-	Power	9V < Battery voltage < 16V
18	Paddle Shift Down signal	High	Input	9V < Battery voltage < 16V
		Low		0V
19	Shift Lever Select Switch	High	Input	9V < Battery voltage < 16V
		Low		0V
20	Inhibitor Switch "N" Input signal	High	Input	9V < Battery voltage < 16V
		Low		0V
21	Sports mode "Up" shift	High	Input	9V < Battery voltage < 16V
		Low		0V
22	-

23	Input Speed Sensor Supply 2 (EVEN)	-	Power	8.75V
24	5V spare Sensor Supply output	-	Power	5V
25	-

26	Shift Actuator (Shift Motor 1 (Odd)_Sensor Supply)		Power	8.75V
27	Shift Actuator (Shift Motor 1 (ODD)_HALL 1)	High	Input	4.5V / 0.8V
		Low
28	Shift Actuator (Shift Motor 1 (ODD)_Sensor Ground)	Ground	Ground	0V
29	-

30	CAN2 Communication Port2 High	Rec./Dom	CAN Line	Recessive : 2.5V
				Dominant : 3.5V
31	CAN2 Communication Port2 Low	Rec./Dom	CAN Line	Recessive : 2.5V
				Dominant : 1.5V
32	-

33	-

34	Flex ray bus, BM	Idle	CAN Line	Idle : 2.5V
		Differential		Differential : 2.0 V / 3.0 V
35	-

36	-

37	-

38	-

39	-

40	-

41	Shift Actuator (Shift Motor 2 (EVEN) _HALL 2)	High	Input	4.5V
		L:ow		0.8V
42	Shift Actuator (Shift Motor 2 (EVEN) _HALL 3)	High	Input	4.5V
		L:ow		0.8V
43	Inhibitor Switch "M" Input signal	High	Input	9V < Battery voltage < 16V
		Low		0V
44	CAN1 Communication Port1 High	Idle	CAN Line
		Differential
45	CAN1 Communication Port1 Low	Idle./DiFF	Rec./Dom	Recessive : 2.5V Dominant : 3.5V
46	-

47	-

48	Flex ray High (BP)	Idle./DiFF	CAN Line	Idle : 2.5V
				Differenital : 2.0V / 3.0V
49	Input Speed Sensor Supply 1 (ODD)	-	Power	8.75V

50	Input Speed Signal 1 (ODD)	High	Input	0.448V
		Low		0.224V
51	-

52	-

53	-

54	Shift Actuator (Shift Motor 2 (EVEN) _Sensor Supply)	-	Power	8.75V
55	Shift Actuator (Shift Motor 2 (EVEN) _HALL 1)	High	Input	4.5V
		Low		0.8V
56	Shift Actuator (Shift Motor 2 (EVEN) _Sensor Ground)	Ground	Ground	Ground
57	Power Ground 1 for High Current Modules	Ground	Ground	Ground
58	Power Ground 2 for High Current Modules	Ground	Ground	Ground
59	Shift Actuator (Shift Motor 2 (EVEN)_Phase W)	Low	Output	0V
		PWM		0V-Battery voltage
60	Shift Actuator (Shift Motor 1 (ODD)_Phase W)	Low	Output	0V
		PWM		0V-Battery voltage
61	Power Ground 3 for High Current Modules	Ground	Ground	Ground
62	-

63	Shift Actuator (Shift Motor 2 (EVEN)_Phase V)	Low	Output	0V
		PWM		0V-Battery voltage
64	Shift Actuator (Shift Motor 1 (ODD)_Phase V)	Low	Output	0V
		PWM		0V-Battery voltage
65	Motor Sensor Supply Voltage 1 from Direct Battery	-	Power	9V < Battery voltage < 16V
66	Motor Sensor Supply Voltage 2 from Direct Battery	-	Power	9V < Battery voltage < 16V
67	Shift Actuator (Shift Motor 2 (EVEN)_Phase U)	Low	Output	0V
		PWM		0V-Battery voltage
68	Shift Actuator (Shift Motor 1 (ODD)_Phase U)	Low	Output	0V
		PWM		0V-Battery voltage

DCT Control Module (TCM). Description and operation

Description• Function The Transmission Control Module (TCM) is like the brain for the Dual Clutch Transmission (DCT)...

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...

Other information:

Hyundai Ioniq (AE) 2017-2024 Service Manual: Motor Control Unit(MCU). Components and components location

Component location1. HPCU (Hybrid Power Control Unit)(LDC+MCU+HCU+Reservoir)2. Hybrid drive motor3. Hybrid starter generator (HSG)4. Electrical radiator5. Electric water pump (EWP)Components1. HPCU (Hybrid Power Control Unit)2. HPCU tray3. HPCU cover4...

Hyundai Ioniq (AE) 2017-2024 Owner's Manual: Hybrid System Gauge

The hybrid system gauge indicates whether the current driving condition is fuel efficient or not. • CHARGE : Shows that the energy made by the vehicle is being converted to electrical energy. (Regenerated energy) • ECO : Shows that the vehicle is being driven in an Eco-friendly manner...