Engine Control Module (ECM) Circuit Diagrams

ECM (Engine Control Module)

ECM Harness Connector

ECM Terminal Function

Connector [C200-A]

Pin No.	Description	Connected To
1	Injector (Cylinder No. 3) [High] Control Output	Injector (Cylinder #3)
2	Injector (Cylinder No. 4) [High] Control Output	Injector (Cylinder No. 4)
3	Injector (Cylinder No. 2) [Low] Control Output	Injector (Cylinder #2)
4	-
5	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] Heater Control Output	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
6	-
7	-
8	-
9	-
10	-
11	-
12	-
13	-
14	Cooling Fan Relay [High] Control Output	Cooling Fan Relay [High]
15	CVVT Oil Control Valve (OCV) Control Output [Bank 1/Exhaust]	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
16	Injector (Cylinder No. 2) [High] Control Output	Injector (Cylinder #2)
17	Injector (Cylinder No. 1) [High] Control Output	Injector (Cylinder No. 1)
18	Injector (Cylinder No. 3) [Low] Control Output	Injector (Cylinder #3)
19	-
20	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Heater Control Output	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
21	-
22	-
23	Engine Coolant Temperature Sensor (ECTS) Signal Input	Engine Coolant Temperature Sensor (ECTS)
24	Sensor Ground	Engine Coolant Temperature Sensor (ECTS)
25	-
26	-
27	-
28	-
29	-
30	-
31	Ignition Coil Control Output (Cylinder #3)	Ignition Coil (Cylinder No. 3)
32	Ignition Coil Control Output (Cylinder No. 1)	Ignition Coil (Cylinder No. 1)
33	Injector (Cylinder No. 1) [Low] Control Output	Injector (Cylinder No. 1)
34	Fuel Pressure Control Valve (FPCV) [High] Control Output	Fuel Pressure Control Valve (FPCV)
35	ETC Motor [-] Control Output	ETC motor
36	-
37	Knock Sensor (KS) Signal Input	Knock Sensor (KS)
38	Sensor Ground	Knock Sensor (KS)
39	-
40	Stop Lamp Switch Input Signal	Brake Switch
41	-
42	-
43	-
44	-
45	CVVT Oil Control Valve (OCV) [Bank 1/Intake] Control Output	CVVT Oil Control Valve (OCV) [Bank 1/Intake]
46	Ignition Coil Control Output (Cylinder No. 4)	Ignition Coil (Cylinder No. 4)
47	Ignition Coil Control Output (Cylinder #2)	Ignition Coil (Cylinder No. 2)
48	Injector (Cylinder No. 4) [Low] Control Output	Injector (Cylinder No. 4)
49	Fuel Pressure Control Valve (FPCV) [Low] Control Output	Fuel Pressure Control Valve (FPCV)
50	ETC Motor [+] Control Output	ETC motor
51	-
52	-
53	Brake Check Switch Input Signal	Brake Switch
54	-
55	Clutch Switch Signal Input	Clutch Switch
56	Electrical Load Input Signal [Defrost]	Generator
57	-
58	Engine Speed Output Signal	Cluster
59	Cooling Fan Relay [Low] Control Output	Cooling Fan Relay
60	Variable Intake Solenoid (VIS) Valve Control Output	Variable Intake Solenoid (VIS)

Connector [C200-K]

Pin No.	Description	Connected To
1	ECM Ground	Ground
2	ECM Ground	Ground
3	ECM Ground	Ground
4	Battery Power (B+)	Main Relay
5	Battery Power (B+)	Battery
6	Battery Power (B+)	Battery
7	Battery Power (B+)	Main Relay
8	Sensor Ground	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
9	Accelerator Pedal Position Sensor (APS) 1 Signal Input	Accelerator Pedal Position Sensor (APS) 1
10	Sensor Ground	Accelerator Pedal Position Sensor (APS) 2
11	-
12	-
13	Sensor Ground	Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
14	Throttle Position Sensor (TPS) 1 Signal Input	Throttle Position Sensor (TPS) 1
15	-
16	-
17	-
18	Sensor Power Supply (+5V)	Accelerator Pedal Position Sensor (APS) 2
19	Sensor Power Supply (+5V)	Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
		Crankshaft Position Sensor (CKPS) [With ISG]
20	Sensor Power Supply (+5V)	Rail Pressure Sensor (RPS)
		Air Conditioning Pressure Sensor (APT)
21	ISG OFF Switch Input Signal	ISG OFF Switch [With ISG]
22	Wiper Switch Signal Input	Wiper Switch
23	Neutral Switch Signal Input	Neutral Switch [With ISG]
24	Generator PWM Signal Output	Generator
25	-
26	-
27	ISG OFF Indicator Lamp Output Signal	ISG OFF Switch [With ISG]
28	-
29	Ignition Switch Input Signal
30	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Signal Input	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
31	Accelerator Pedal Position Sensor (APS) 2 Signal Input	Accelerator Pedal Position Sensor (APS) 2
32	Sensor Ground	Accelerator Pedal Position Sensor (APS) 1
33	-
34	-
35	Sensor Ground	Throttle Position Sensor (TPS)
36	Throttle Position Sensor (TPS) 2 Signal Input	Throttle Position Sensor (TPS) 2
37	-
38	Brake Booster Vacuum Pressure Sensor (BBVPS) Signal Input	Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
39	Sensor Power Supply (+5V)	Throttle Position Sensor (TPS) 1,2
40	Sensor Power Supply (+5V)	Accelerator Pedal Position Sensor (APS) 1
41	Sensor Power Supply (+5V)	Manifold Absolute Pressure Sensor (MAPS)
42	Sensor Power Supply (+5V)	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
		Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
43	-
44	-
45	Air Conditioning Pressure Sensor (APT) Signal Input	Air Conditioning Pressure Sensor (APT)
46	Vehicle Speed Signal Input	Vehicle speed sensor
47	Starter Relay [High] Output	Starter Relay
48	-
49	-
50	-
51	-
52	VS-/IP- (Common Ground for VS, IP)	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
53	Rc/Rp (Pump Cell Voltage)	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
54	-
55	-
56	-
57	Generator Output Signal [COM]	Generator
58	Rail Pressure Sensor (RPS) Signal Input	Rail Pressure Sensor (RPS)
59	-
60	Start Signal Input	PDM Module
61	LIN Communication Input Signal	Battery Sensor
62	CCP-CAN [Low]	Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
63	CAN [Low]	Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
64	Sensor Ground	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
65	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] Input Signal	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
66	-
67	Crankshaft Position Sensor (CKPS) Signal Input	Crankshaft Position Sensor (CKPS)
68	-
69	-
70	-
71	-
72	Purge Control Solenoid Valve (PCSV) Control Output	Purge Control Solenoid Valve (PCSV)
73	-
74	VS+ (Nernst Cell Voltage)	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
75	Rc (Compensation Resistance)	Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
76	Sensor Ground	Rail Pressure Sensor (RPS)
77	Sensor Ground	Air Conditioning Pressure Sensor (APT)
78	Sensor Ground	Manifold Absolute Pressure Sensor (MAPS)
79	Intake Air Temperature Sensor (IATS) Input Signal	Intake Air Temperature Sensor (IATS)
80	Manifold Absolute Pressure Sensor (MAPS) Signal Input	Manifold Absolute Pressure Sensor (MAPS)
81	-
82	-
83	Immobilizer Communication Line	Smart Key Control Module [with Engine Start Button]
		Immobilizer Control Module [without Engine Start Button]
84	CCP-CAN [High]	Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
85	CAN [High]	Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
86	Sensor Ground	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
87	Camshaft Position Sensor (CMPS) [Bank 1/Intake] Signal Input	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
88	-
89	Crankshaft Position Sensor (CKPS) Signal Input	Crankshaft Position Sensor (CKPS)
90	Fuel Pump Relay Control Output (with Immobilizer)	Fuel Pump Relay
91	-
92	-
93	Main Relay Control Output	Main Relay
94	Starter Relay (Low) Control Output	Starter Relay

ECM Terminal Input/Output Signal

Connector [C200-A]

Pin No.	Description	Condition	Type	Level
1	Injector (Cylinder No. 3) [High] Control Output	Relay ON/OFF	DC Voltage	71 V
2	Injector (Cylinder No. 4) [High] Control Output	Relay ON/OFF	DC Voltage	71 V
3	Injector (Cylinder No. 2) [Low] Control Output	Relay OFF	DC Voltage	71 V
		Relay ON		Max. 1.0 V
4	-
5	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] Heater Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.65 V
6	-
7	-
8	-
9	-
10	-
11	-
12	-
13	-
14	Cooling Fan Relay [High] Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.76 V
15	CVVT Oil Control Valve (OCV) Control Output [Bank 1/Exhaust]	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65 V
16	Injector (Cylinder No. 2) [High] Control Output	Relay ON/OFF	DC Voltage	71 V
17	Injector (Cylinder No. 1) [High] Control Output	Relay ON/OFF	DC Voltage	71 V
18	Injector (Cylinder No. 3) [Low] Control Output	Relay OFF	DC Voltage	71 V
		Relay ON		Max. 1.0 V
19	-
20	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Heater Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.65 V
21	-
22	-
23	Engine Coolant Temperature Sensor (ECTS) Signal Input	Idle	Analog	0.270 ~ 4.77 V
24	Sensor Ground	Idle	DC Voltage	Max. 50 mV
25	-
26	-
27	-
28	-
29	-
30	-
31	Ignition Coil Control Output (Cylinder #3)	Idle	Pulse	1st Voltage: 370 ~ 430 V
				ON Voltage: 2.2 V Max.
32	Ignition Coil Control Output (Cylinder No. 1)	Idle	Pulse	1st Voltage: 370 ~ 430 V
				ON Voltage: 2.2 V Max.
33	Injector (Cylinder No. 1) [Low] Control Output	Relay OFF	DC Voltage	71 V
		Relay ON		Max. 1.0 V
34	Fuel Pressure Control Valve (FPCV) [High] Control Output	Relay ON/OFF	DC Voltage	16 V
35	ETC Motor [-] Control Output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0 V
36	-
37	Knock Sensor (KS) Signal Input	Knock	Variable
		Normal	Frequency
38	Sensor Ground	Knock	Variable
		Normal	Frequency
39	-
40	Stop Lamp Switch Input Signal	ON	DC Voltage	Battery Voltage
		OFF		Max. 2.25 V
41	-
42	-
43	-
44	-
45	CVVT Oil Control Valve (OCV) [Bank 1/Intake] Control Output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65 V
46	Ignition Coil Control Output (Cylinder No. 4)	Idle	Pulse	1st Voltage: 370 ~ 430 V
				ON Voltage: 2.2 V Max.
47	Ignition Coil Control Output (Cylinder #2)	Idle	Pulse	1st Voltage: 370 ~ 430 V
				ON Voltage: 2.2 V Max.
48	Injector (Cylinder No. 4) [Low] Control Output	Relay OFF	DC Voltage	71 V
		Relay ON		Max. 1.0 V
49	Fuel Pressure Control Valve (FPCV) [Low] Control Output	Relay OFF	DC Voltage	16 V
		Relay ON		Max. 1.0 V
50	ETC Motor [+] Control Output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0 V
51	-
52	-
53	Brake Check Switch Input Signal	ON	DC Voltage	Battery Voltage
		OFF		Max. 2.25 V
54	-
55	Clutch Switch Signal Input
56	Electrical Load Input Signal [Defrost]	ON	DC Voltage	Battery Voltage
		OFF		Max. 2.25 V
57	-
58	Engine Speed Output Signal	Idle	Pulse	High: Battery voltage
				Low: Max. 0.6 V
59	Cooling Fan Relay [Low] Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.76 V
60	Variable Intake Solenoid (VIS) Valve Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.65 V

Connector [C200-K]

Pin No.	Description	Condition	Type	Level
1	ECM Ground	Idle	DC Voltage	Max. 50 mV
2	ECM Ground	Idle	DC Voltage	Max. 50 mV
3	ECM Ground	Idle	DC Voltage	Max. 50 mV
4	Battery Power (B+)	IG OFF	DC Voltage	Max. 1.0 V
		IGNITION ON		Battery Voltage
5	Battery Power (B+)	IG OFF	DC Voltage	Max. 1.0 V
		IGNITION ON		Battery Voltage
6	Battery Power (B+)	IG OFF	DC Voltage	Max. 1.0 V
		IGNITION ON		Battery Voltage
7	Battery Power (B+)	IG OFF	DC Voltage	Max. 1.0 V
		IGNITION ON		Battery Voltage
8	Sensor Ground	Idle	DC Voltage	Max. 50 mV
9	Accelerator Pedal Position Sensor (APS) 1 Signal Input	Idle	Analog	0.674 ~ 4.379 V
10	Sensor Ground	Idle	DC Voltage	Max. 50 mV
11	-
12	-
13	Sensor Ground	Idle	DC Voltage	Max. 50 mV
14	Throttle Position Sensor (TPS) 1 Signal Input	Idle	Analog	0.33 ~ 4.72 V
15	-
16	-
17	-
18	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
19	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
20	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
21	ISG OFF Switch Input Signal
22	Wiper Switch Signal Input	ON	DC Voltage	Battery Voltage
		OFF		Max. 2 V
23	Neutral Switch Signal Input
24	Generator PWM Signal Output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.5 V
25	-
26	-
27	ISG OFF Indicator Lamp Output Signal
28	-
29	Ignition Switch Input Signal	IG OFF	DC Voltage	Max. 1.0 V
		IGNITION ON		Battery Voltage
30	Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] Signal Input	Engine	Analog	Rich: 0.6 ~ 1.0 V
		Run		Ground: Max. 0.4 V
31	Accelerator Pedal Position Sensor (APS) 2 Signal Input	Idle	Analog	0.261 ~ 2.204 V
32	Sensor Ground	Idle	DC Voltage	Max. 50 mV
33	-
34	-
35	Sensor Ground	Idle	DC Voltage	Max. 50 mV
36	Throttle Position Sensor (TPS) 2 Signal Input	Idle	Analog	0.55 ~ 4.37 V
37	-
38	Brake Booster Vacuum Pressure Sensor (BBVPS) Signal Input
39	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
40	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
41	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
42	Sensor Power Supply (+5V)	IG OFF	DC Voltage	Max. 0.5 V
		IGNITION ON		4.9 - 5.1 V
43	-
44	-
45	Air Conditioning Pressure Sensor (APT) Signal Input	A/C ON	Analog	0.348 ~ 4.63 V
46	Vehicle Speed Signal Input	Idle	Pulse	High: Min. 5.4 V
				Low: Max. 2.25 V
47	Starter Relay [High] Output
48	Cruise Control Indicator Lamp
49	-
50	-
51	-
52	VS-/IP- (Common Ground for VS, IP)	Idle	DC Voltage	Max. 50 mV
53	Rc/Rp (Pump Cell Voltage)	Idle	Analog	0 ~ 5.1 V
54	-
55	-
56	-
57	Generator Output Signal [COM]	Idle	Pulse	High: Battery voltage
				Low: Max. 0.6 V
58	Rail Pressure Sensor (RPS) Signal Input	Idle	Analog	0.43 ~ 3.46 V
59	-
60	Start Signal Input	ON	DC Voltage	Battery Voltage
		OFF		Max. 2 V
61	LIN Communication Input Signal	RECESSIVE	Pulse	Max. 5.6 V (at 14 V)
		DOMINANT		Min. 8.4 V (at 14 V)
62	CCP-CAN [Low]	RECESSIVE	Pulse	2.0 - 3.0 V
		DOMINANT		0.5 - 2.25 V
63	C-CAN [Low]	RECESSIVE	Pulse	2.0 - 3.0 V
		DOMINANT		0.5 - 2.25 V
64	Sensor Ground	Idle	DC Voltage	Max. 50 mV
65	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] Input Signal	Idle	Pulse	High: Min. 4.8 V
				Low: Max. 0.6 V
66	-
67	Sensor Ground	Idle	DC Voltage	Max. 50 mV
68	-
69	-
70	-
71	-
72	Purge Control Solenoid Valve (PCSV) Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.76 V
73	-
74	VS+ (Nernst Cell Voltage)	Idle	Analog	0 ~ 5.1 V
75	Rc (Compensation Resistance)	Idle	Analog	0 ~ 5.1 V
76	Sensor Ground	Idle	DC Voltage	-
77	Sensor Ground	Idle	DC Voltage	Max. 50 mV
78	Sensor Ground	Idle	DC Voltage	Max. 50 mV
79	Intake Air Temperature Sensor (IATS) Signal Input	Idle	Analog	0.209 ~ 4.756 V
80	Manifold Absolute Pressure Sensor (MAPS) Signal Input	Idle	Analog	0.6683 ~ 4.346 V
81	-
82	-
83	Immobilizer Communication Line	During transmission	Pulse	High: Min. 8.4 V (at 14 V)
				Low: Max. 6.44 V (at 14 V)
84	CCP-CAN [High]	RECESSIVE	Pulse	2.0 - 3.0 V
		DOMINANT		2.75 - 4.5 V
85	C-CAN [High]	RECESSIVE	Pulse	2.0 - 3.0 V
		DOMINANT		2.75 - 4.5 V
86	Sensor Ground	Idle	DC Voltage	Max. 50 mV
87	Camshaft Position Sensor (CMPS) [Bank 1/Intake] Signal Input	Idle	Pulse	High: Min. 4.8 V
				Low: Max. 0.6 V
88	-
89	Crankshaft Position Sensor (CKPS) Signal Input	Idle	Pulse	Vp_p: Min. 1.0 V
90	Fuel Pump Relay Control Output (with Immobilizer)	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.44 V
91	-
92	-
93	Main Relay Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 1.7 V
94	Starter Relay (Low) Control Output	Relay OFF	DC Voltage	Battery Voltage
		Relay ON		Max. 2.64 V

Wiring Diagram