3. ECM Terminal Input/output Signal

[Connector C30-1]

CONNECTOR C30-1 REFERENCE CHART

PIN NO.	Description	Vehicle State	Input, output value		Remark
PIN NO.	Description	Vehicle State	Type	Range	Remark
1	Ignition switch	IG ON	DC	Vbatt
1	Ignition switch	IG OFF	DC	0 ~ 0.5 Volt
2	Not connected
3	Diagnosis line (K-line)	IG ON	PULSE	Courtesy of HYUNDAI MOTOR CO.
4	ECM ground	ALWAYS	Static signal	0 ~ 0.5 Volt
5	Power stage1 ground	ALWAYS	Static signal	0 ~ 0.5 Volt
6	Power stage2 ground	ALWAYS	Static signal	0 ~ 0.5 Volt
7	Battery voltage	ALWAYS	DC	Battery Voltage
8	Battery voltage after main relay	IGON	DC	Battery Voltage
8	Battery voltage after main relay	IG OFF	DC	0 ~ 0.5 Voltage
9	Battery voltage after main relay	IG ON	DC	Battery Voltage
9	Battery voltage after main relay	IG OFF	DC	0 ~ 0.5 Voltage

[Connector C30-2]

CONNECTOR C30-2 REFERENCE CHART

PIN NO.	Description	Vehicle State	Input, output value		Remark
PIN NO.	Description	Vehicle State	Type	Range	Remark
1	HO2S heater (B1/S1)	Engine RUN	PWM	Courtesy of HYUNDAI MOTOR CO.
2	Not connected
3	Not connected
4	Not connected
5	Not connected
6	Not connected
7	HO2S heater (B1/S2)	Engine RUN	PWM	Courtesy of HYUNDAI MOTOR CO.
8	HO2S shield (B1/S1)		Static signal	0 Volt
9	HO2S shield (B2/S1)		Static signal	0 Volt
10	HO2S shield (B1/S2)		Static signal	0 Volt
11	HO2S shield (B2/S2)		Static signal	0 Volt
12	Not connected
13	HO2S heater (B2/S1)	Engine RUN	PWM	Courtesy of HYUNDAI MOTOR CO.
14	HO2S input (B1/S1)	3000 rpm after warm-up	PULSE	Courtesy of HYUNDAI MOTOR CO.
15	HO2S input (B2/S1)	3000 rpm after warm-up	PULSE	Courtesy of HYUNDAI MOTOR CO.
16	HO2S input (B1/S2)	Racing	PULSE	Courtesy of HYUNDAI MOTOR CO.
17	Fuel consumption signal	Engine RUN	PULSE	Courtesy of HYUNDAI MOTOR CO.
18	HO2S input (B2/S2)	Racing	PULSE	Courtesy of HYUNDAI MOTOR CO.
19	HO2S heater (B1/S2)	Engine RUN	PWM	Courtesy of HYUNDAI MOTOR CO.
20	HO2S ground (B1/S1)	3000 rpm after warm-up	PULSE	0 ~ 0.4 Volt
21	HO2S ground (B2/S1)	3000 rpm after warm-up	PULSE	0 ~ 0.4 Volt
22	HO2S ground (B1/S2)	3000 rpm after warm-up	PULSE	0 ~ 0.4 Volt
23	Main relay	IG OFF after warm-up	DC	0 ~ 1 Volt Vbatt
24	HO2S ground (B2/S2)	3000 rpm after warm-up	PLUSE	0 ~ 0.4 Volt

[Connector C30-3]

CONNECTOR C30-3 REFERENCE CHART

PIN NO.	Description	Vehicle State	Input, output value		Remark
PIN NO.	Description	Vehicle State	Type	Range	Remark
1	MAFs signal input	IDLE 2000 rpm	Analog	0.5 Volt 1 Volt
2	Not connected
3	Not connected
4	Not connected
5	Not connected
6	Not connected
7	Not connected
8	CKPS signal input	IDLE 3000 rpm	Frequency	Courtesy of HYUNDAI MOTOR CO.
9	Not connected
10	TPS Supply	After IG ON	DC	VCC
11	Not connected
12	Not connected
13	Not connected
14	Not connected
15	Not connected
16	Not connected
17	MAFS ground		Static signal	0 ~ 0.5 Volt
18	Not connected
19	TPS signal input	IDLE	Analog	0.25 ~ 0.8 Volt
19	TPS signal input	Wide open	Analog	4.25 ~ 4.7 Volt
20	TPS ground		Static signal	0 ~ 0.5 Volt
21	CKPS ground		Static signal	0 ~ 0.5 Volt
22	Signal input	0°C	Analog	4.3 Volt
22	Signal input	20°C	Analog	3.44 Volt
23	IATS ground		Static signal	0 ~ 0.5 Volt
24	ECTS signal input	COLD (20°C)	Analog	3.44 Volt
24	ECTS signal input	WARM (80°C)	Analog	1.25 Volt
25	ECTS ground		Static signal	0 ~ 0.5 Volt
26	POWER STEER'G	ON	DC	0 ~ 0.5 Volt
26	LOAD INPUT	OFF	DC	Vbatt
27	Not connected
28	Not connected
29	Knock sensor1, input A (CYL 2/4/6)	Knocking Normal	Frequency	-0.3 ~ 0.3 Volt 0 Volt
30	Knock sensor2, input B (CYL 1/3/5)
31	Knock sensor2, input B (CYL 2/4/6)	Knocking Normal	Frequency	-0.3 ~ 0.3 Volt 0 Volt
32	Knock sensor2, input B (CYL 2/4/6)
33	Injector output (CYL.1)	IG ON 3000 rpm	DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
34	Injector output (CYL.2)	IG ON 3000 rpm	DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
35	Injector output (CYL.3)	IG ON 3000 rpm	DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
36	Injector output (CYL.4)	IG ON 3000 rpm	DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
37	Injector output (CYL.5)		DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
38	Injector output (CYL.6)		DC (PWM)	Courtesy of HYUNDAI MOTOR CO.
39	Not connected
40	Not connected
41	Not connected
42	Canister purge sol. v/v control	Inactive Active (After warm up & racing)	PULSE PWM	Courtesy of HYUNDAI MOTOR CO.
43	Not connected
44	Not connected
45	VIS solenoid output			0 ~ 0.5 Volt 14 Volt
46	ISCA PWM output2	Idle (close)	PWM	Courtesy of HYUNDAI MOTOR CO.
47	ISCA PWM output1	Idle (open)	PWM	Courtesy of HYUNDAI MOTOR CO.
48	Knock sensor shield		GND	0 ~ 0.5 Volt
49	Not connected
50	Not connected
51	Not connected
52	VIS solenoid2 output	ON	DC	0 ~ 0.5 Volt
52	VIS solenoid2 output	OFF	DC	14 Volt

[Connector C30-4]

CONNECTOR C30-4 REFERENCE CHART

PIN NO.	Description	Vehicle State	Input, output value		Remark
PIN NO.	Description	Vehicle State	Type	Range	Remark
1	Not connected
2	Not connected
3	Not connected
4	Fuel tank pressure sensor supply	IG ON	Static signal	5V
4	Fuel tank pressure sensor supply	IG OFF	Static signal	0 ~ 0.5V
5	Fuel level sender signal		DC	0~Vcc
6	Not connected
7	CMPS signal input	IDLE (after cranking)	Frequency	Courtesy of HYUNDAI MOTOR CO.
8	CM PS ground		Static signal	0~0.5 Volt
9	Not connected
10	Fuel pump relay	IG SW ON	DC	Vbatt
10	Fuel pump relay	IDLE	DC	0~0.5 Volt
11	Not connected
12	Not connected
13	TPS PWM output to EPS/ECS	C.T W.O.T	Engine run 5% DUTY (C.T) 91% DUTY (W.O.T)	Courtesy of HYUNDAI MOTOR CO.
14	Fuel tank pressure sensor ground		GND	0 ~ 0.5Volt
15	Fuel level sender ground		GND	0 ~ 0.5 Volt
16	Not connected
17	ENGINE SPEED SIGNAL	ENGINE RUN	Frequency	Courtesy of HYUNDAI MOTOR CO.
18	FAN LOW RELAY	FAN ON	DC	0~0.5 Volt
18	FAN LOW RELAY	FAN OFF	DC	Vbatt
19	Not connected
20	MIL	During IG ON after START	DC	0~0.5 Volt Vbatt
21	Not connected
22	Vehicle speed Sensor signal/ Wheel speed Sensor signal (ABS)	Vehicle RUN (80km/h)	PULSE	Courtesy of HYUNDAI MOTOR CO.
				250Hz from ABS
				25Hz from VSP
23	A/C COMP.	SW OFF	DC	0~0.5 Volt
23	SW (HI/LOW)	SW ON	DC	Vbatt
24	A/CSW	SW OFF	DC	0~0.5 Volt
24	A/CSW	SW ON	DC	Vbatt
25	A/C COMP.	SW OFF	DC	0~0.5 Volt
25	SW (MID)	SW ON	DC	Vbatt
26	Not connected
27	Not connected
28	Not connected
29	A/CON COMP RESSOR RELAY	A/C ON	DC	0~0.5 Volt
29	A/CON COMP RESSOR RELAY	A/C OFF	DC	Vbatt
30	CCV control	CLOSE	DC	Vbatt
30	CCV control	OPEN	DC	0~0.5 Volt
31	Not connected
32	Not connected
33	FTPS input	Engine run	ANALOG
34	Not connected
35	Not connected
36	CAN (HIGH)	Recessive	DC	2.0~3.0Volt
36	CAN (HIGH)	Dominant	DC	2.75~4.5Volt
37	CAN (LOW)	Recessive	DC	2.0~3.0Volt
37	CAN (LOW)	Dominant	DC	0.5~2.25Volt
38	Wheel speed sensor ground		Static signal	0V
39	Wheel speed sensor signal	Run Vehicle
40	Ran relay (high)	FAN OFF	DC	Vbatt

[Connector C30-5]

CONNECTOR C30-5 REFERENCE CHART

PIN NO.	Description	Vehicle State	Input, output value		Remark
PIN NO.	Description	Vehicle State	Type	Range	Remark
1	Ignition Coil3(CYL3/6)	ENGINE RUN	PULSE	Courtesy of HYUNDAI MOTOR CO.
2	Ignition Coil3(CYL2/5)	ENGINE RUN	PULSE	Courtesy of HYUNDAI MOTOR CO.
3	Ignition Coil 1(CYL 1/4)	ENGINE RUN	PULSE	Courtesy of HYUNDAI MOTOR CO.
4	Not connected
5	Ignition power stages ground		Static ground	0Volt
6	Not connected
7	Not connected
8	Not connected
9	Not connected