Hyundai Tucson: Engine Control System / Engine Control Module (ECM) Schematic Diagrams

ECM Terminal And Input/Output signal [M/T]

ECM Terminal Function (M/T)

Pin No.	Description	Connected to
1	Injector (Cylinder #3) [High] control output	Injector (Cylinder #3)
2	Injector (Cylinder #4) [High] control output	Injector (Cylinder #4)
3	Injector (Cylinder #2) [Low] control output	Injector (Cylinder #2)
4	-	x
5	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1] heater control output	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1]
6	-	x
7	Cruise control power	Cruise control switch
8	-	x
9	-	x
10	-	x
11	-	x
12	Immobilizer lamp control output	Cluster
13	-
14	Cooling fan relay [High] control output	Cooling fan relay [High]
15	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
16	Injector (Cylinder #2) [High] control output	Injector (Cylinder #2)
17	Injector (Cylinder #1) [High] control output	Injector (Cylinder #1)
18	Injector (Cylinder #3) [Low] control output	Injector (Cylinder #3)
19	-	x
20	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor2] heater control output	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 2]
21	-	x
22	-	x
23	Engine Coolant Temperature Sensor (ECTS) signal input	Engine Coolant Temperature Sensor (ECTS)x
24	Sensor ground	Engine Coolant Temperature Sensor (ECTS)
25	-	x
26	Fuel Tank Pressure Sensor (FTPS) signal input	Fuel Tank Pressure Sensor (FTPS)
27	Fuel pump relay control output (Without Immobilizer)	Fuel pump relay
	Canister Close Valve (CCV) control output  (With Immobilizer)	Canister Close Valve (CCV)
28	-	x
29	A/C compressor relay control output	A/C compressor relay
30	-	x
31	Ignition coil (Cylinder #3) control output	Ignition coil (Cylinder #3)
32	Ignition coil (Cylinder #1) control output	Ignition coil (Cylinder #1)
33	Injector (Cylinder #1) [Low] control output	Injector (Cylinder #1)
34	Fuel Pressure Control Valve (FPCV) [High] control output	Fuel Pressure Control Valve (FPCV)
35	ETC motor [-] control output	ETC motor
36	-	x
37	Knock Sensor (KS) signal input	Knock Sensor (KS)
38	Sensor ground	Knock Sensor (KS)
39	-
40	Brake Light switch signal input	Brake switch
41	-
42	-
43	-	x
44	-	x
45	CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output	CVVT Oil Control Valve (OCV) [Bank 1/Intake]
46	Ignition coil (Cylinder #4) control output	Ignition coil (Cylinder #4)
47	Ignition coil (Cylinder #2) control output	Ignition coil (Cylinder #2)
48	Injector (Cylinder #4) [Low] control output	Injector (Cylinder #4)
49	Fuel Pressure Control Valve (FPCV) [Low] control output	Fuel Pressure Control Valve (FPCV)
50	ETC motor [+] control output	ETC motor
51	-
52	-	x
53	Brake switch signal input	Brake switch
54	-
55	Clutch switch signal input	Clutch switch
56	-
57	Alternator COM signal output	Alternator
58	Engine speed signal output	Smart key control module
59	Cooling fan relay [Low] control output	Cooling fan relay
60	Variable Intake Solenoid (VIS) valve control output	Variable Intake Solenoid (VIS) valve

Pin No.	Description	Connected to
1	ECM ground	Chassis ground
2	ECM ground	Chassis ground
3	ECM ground	Chassis 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 Position Sensor (APS) 1 signal input	Accelerator Position Sensor (APS) 1
10	Sensor ground	Accelerator Position Sensor (APS) 2
11	-	x
12	Sensor ground	Fuel Tank Pressure Sensor (FTPS)
13	-	x
14	Throttle Position Sensor (TPS) 1 signal input	Throttle Position Sensor (TPS) 1
15	-	x
16	-	x
17	Fuel Level signal input	Fuel Level Sender (FLS)
18	Sensor power (+5V)	Accelerator Position Sensor (APS) 2
19	-	x
20	Sensor power (+5V)	Rail Pressure Sensor (RPS)
		A/C Pressure Transducer (APT)
21	-	x
22	-
23	-
24	Alternator PWM signal output	Alternator
25	-	x
26	-	x
27	-	x
28	-	x
29	Ignition switch signal input	x
30	Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 2] signal input	Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 2]
31	Accelerator Position Sensor (APS) 2 signal input	Accelerator Position Sensor (APS) 2
32	Sensor ground	Accelerator Position Sensor (APS) 1
33	-	x
34	-	x
35	Sensor ground	Throttle Position Sensor (TPS)
36	Throttle Position Sensor (TPS) 2 signal input	Throttle Position Sensor (TPS) 2
37	-	x
38	-	x
39	Sensor power (+5V)	Throttle Position Sensor (TPS) 1,2
40	Sensor power (+5V)	Accelerator Position Sensor (APS) 1
41	Sensor power (+5V)	Manifold Absolute Pressure Sensor (MAPS)
		Fuel Tank Pressure Sensor (FTPS)
42	-
43	-
44	-
45	A/C Pressure Transducer (APT) signal input	A/C Pressure Transducer (APT)
46	Vehicle speed signal input	Vehicle Speed Sensor
47	-
48	-	x
49	-	x
50	Malfunction Indicator Lamp (MIL) control output	Malfunction Indicator Lamp (MIL)
51	-	x
52	VS-/IP- (Common Ground for VS, IP)	Heated Oxygen Sensor [Bank 1/Sensor 1]
53	Rc/Rp (Pump Cell Voltage)	Heated Oxygen Sensor  [Bank 1/Sensor 1]
54	-	x
55	-	x
56	Cruise control switch ground	Cruise control switch
57	-	x
58	Rail Pressure Sensor (RPS) signal input	Rail Pressure Sensor (RPS)
59	Cruise control switch signal input	Cruise control switch
60	Start signal input	PDM module
61	LIN communication signal input	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] signal input	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
66	-	x
67	Crankshaft Position Sensor (CKPS) [B] signal input	Crankshaft Position Sensor (CKPS)
68	-	x
69	-	x
70	-	x
71	-	x
72	Purge Control Solenoid Valve (PCSV) control output	Purge Control Solenoid Valve (PCSV)
73	-	x
74	VS+ (NERNST Cell Voltage)	Heated Oxygen Sensor  [Bank 1/Sensor 1]
75	Rc (Compensative Resistance)	Heated Oxygen Sensor  [Bank 1/Sensor 1]
76	Sensor ground	Rail Pressure Sensor (RPS)
77	Sensor ground	A/C Pressure Transducer (APT)
78	Sensor ground	Manifold Absolute Pressure Sensor (MAPS)
79	Intake Temperature Sensor (IATS) signal input	Intake Temperature Sensor (IATS)
80	Manifold Absolute Pressure Sensor (MAPS) signal input	Manifold Absolute Pressure Sensor (MAPS)
81	-	x
82	-	x
83	Immobilizer communication line	Smart Key Control Module [With Button Engine Start System]
		Immobilizer Control Module [Without Button Engine Start System]
84	-	x
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) [A] signal input	Crankshaft Position Sensor (CKPS)
90	Canister Close Valve (CCV) control output  (Without Immobilizer)	Canister Close Valve (CCV)
	Fuel pump relay control output (With Immobilizer)	Fuel pump relay
91	-	x
92	-	x
93	Main relay control output	Main relay
94	Start relay (Low) control output	Start relay

ECM Terminal Input/Output Signal (M/T)

Pin No.	Description	Condition	Type	Level
1	Injector (Cylinder #3) [High] control output	Relay ON/OFF	DC voltage	71V
2	Injector (Cylinder #4) [High] control output	Relay ON/OFF	DC voltage	71V
3	Injector (Cylinder #2) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
4	-	x	x	x
5	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1] heater control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V
6	-	x	x	x
7	Supply power (+5V)	x	x	x
8	-	x	x	x
9	-	x	x	x
10	-	x	x	x
11	-	x	x	x
12	Immobilizer indication lamp control output	x	x	x
13	-	x	x	x
14	Cooling fan relay [High] control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
15	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65V
16	Injector (Cylinder #2) [High] control output	Relay ON/OFF	DC voltage	71V
17	Injector (Cylinder #1) [High] control output	Relay ON/OFF	DC voltage	71V
18	Injector (Cylinder #3) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
19	-	x	x	x
20	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor2] heater control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V
21	-	x	x	x
22	-	x	x	x
23	Engine Coolant Temperature Sensor (ECTS) signal input	Idle	Analog	0.270 ~ 4.77V
24	Sensor ground	Idle	DC voltage	Max. 50mV
25	-	x	x	x
26	Fuel Tank Pressure Sensor (FTPS) signal input	Idle	Analog	0.3343 ~ 0.4667V
27	Canister Close Valve (CCV) control output (With Immobilizer)	Active	DC voltage	Battery voltage
		Inactive		Max. 1.76V
	Fuel pump relay control output (Without Immobilizer)	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.44V
28	-	x	x	x
29	A/C compressor relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.0V
30	-	x	x	x
31	Ignition coil (Cylinder #3) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
32	Ignition coil (Cylinder #1) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
33	Injector (Cylinder #1) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
34	Fuel Pressure Control Valve (FPCV) [High] control output	Relay ON/OFF	DC voltage	16V
35	ETC motor [-] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0V
36	-	x	x	x
37	Knock Sensor (KS) signal input	Knocking	Variable	x
		Normal	Frequency	x
38	Sensor ground	Knocking	Variable	x
		Normal	Frequency	x
39	Blower switch Max. siganl input	x	x	x
40	Brake Light switch signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2.25V
41	Wheel Speed Sensor [B] signal input [without ABS/ESC]	x	x	x
42	Wheel Speed Sensor [A] signal input [without ABS/ESC]	x	x	x
43	-	x	x	x
44	-	x	x	x
45	CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65V
46	Ignition coil (Cylinder #4) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
47	Ignition coil (Cylinder #2) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
48	Injector (Cylinder #4) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
49	Fuel Pressure Control Valve (FPCV) [Low] control output	Relay OFF	DC voltage	16V
		Relay ON		Max. 1.0V
50	ETC motor [+] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0V
51	-
52	-	x	x	x
53	Brake switch signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2.25V
54	Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 1] signal input	Engine	Analog	Rich: 0.6 ~ 1.0V
		Running		Lean: Max. 0.4V
55	Clutch switch signal input	x	x	x
56	-
57	Alternator COM signal output	Idle	Pulse	High: Battery voltage
				Low: Max. 0.6V
58	Engine speed signal output
59	Cooling fan relay [Low] control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
60	Variable Intake Solenoid (VIS) valve control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V

Pin No.	Description	Condition	Type	Level
1	ECM ground	Idle	DC voltage	Max. 50mV
2	ECM ground	Idle	DC voltage	Max. 50mV
3	ECM ground	Idle	DC voltage	Max. 50mV
4	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
5	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
6	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
7	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
8	Sensor ground	Idle	DC voltage	Max. 50mV
9	Accelerator Position Sensor (APS) 1 signal input	Idle	Analog	0.674 ~ 4.379 V
10	Sensor ground	Idle	DC voltage	Max. 50mV
11	-	x	x	x
12	Sensor ground	Idle	DC voltage	Max. 50mV
13	-	x	x	x
14	Throttle Position Sensor (TPS) 1 signal input	Idle	Analog	0.33 ~ 4.72 V
15	-	x	x	x
16	-	x	x	x
17	Fuel Level signal input	Idle	Analog	0.193 ~ 4.0V
18	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
19	-	x	x	x
20	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
21	-	x	x	x
22	-
23	Neutral switch signal input	x	x	x
24	Alternator PWM signal output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.5V
25	-	x	x	x
26	-	x	x	x
27	Auto Stop Lamp output	x	x	x
28	-	x	x	x
29	Ignition switch signal input	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
30	Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 2] signal input	Engine	Analog	Rich: 0.6 ~ 1.0V
		Running		Lean: Max. 0.4V
31	Accelerator Position Sensor (APS) 2 signal input	Idle	Analog	0.261 ~ 2.204 V
32	Sensor ground	Idle	DC voltage	Max. 50mV
33	-	x	x	x
34	-	x	x	x
35	Sensor ground	Idle	DC voltage	Max. 50mV
36	Throttle Position Sensor (TPS) 2 signal input	Idle	Analog	0.55 ~ 4.37 V
37	-	x	x	x
38	x	x	x	x
39	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
40	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
41	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
42	-
43	-	x	x	x
44	-	x	x	x
45	A/C Pressure Transducer (APT) signal input	A/C ON	Analog	0.348 ~ 4.63 V
46	Vehicle speed signal input	Idle	Pulse	High: Min. 5.4V
				Low: Max. 2.25V
47	-	x	x	x
48	-	x	x	x
49	-	x	x	x
50	Malfunction Indicator Lamp (MIL) control output	x	x	x
51	-	x	x	x
52	VS-/IP- (Common Ground for VS, IP)	Idle	DC voltage	Max. 50mV
53	Rc/Rp (Pump Cell Voltage)	Idle	Analog	0 ~ 5.1V
54	-	x	x	x
55	-	x	x	x
56	Cruise control switch ground	x	x	x
57	-	x	x	x
58	Rail Pressure Sensor (RPS) signal input	Idle	Analog	0.43 ~ 3.46V
59	Cruise control switch signal input	x	x	x
60	Start signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2V
61	LIN communication signal input	RECESSIVE	Pulse	max 5.6V (at 14V)
		DOMINANT		min 8.4V (at 14V)
62	CCP-CAN [Low]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		0.5 ~ 2.25V
63	CAN [Low]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		0.5 ~ 2.25V
64	Sensor ground	Idle	DC voltage	Max. 50mV
65	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input	Idle	Pulse	High: min. 4.8V
				Low: Max. 0.6V
66	-	x	x	x
67	Crankshaft Position Sensor (CKPS) [B] signal input	Idle	Pulse	Vp_p: Min. 1.0V
68	-	x	x	x
69	-	x	x	x
70	-	x	x	x
71	-	x	x	x
72	Purge Control Solenoid Valve (PCSV) control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
73	-	x	x	x
74	VS+ (NERNST Cell Voltage)	Idle	Analog	0 ~ 5.1V
75	Rc (Compensative Resistance)	Idle	Analog	0 ~ 5.1V
76	Sensor ground	Idle	DC voltage	-
77	Sensor ground	Idle	DC voltage	Max. 50mV
78	Sensor ground	Idle	DC voltage	Max. 50mV
79	Intake Temperature Sensor (IATS) signal input	Idle	Analog	0.209 ~ 4.756V
80	Manifold Absolute Pressure Sensor (MAPS) signal input	Idle	Analog	0.6683 ~ 4.346V
81	-	x	x	x
82	-	x	x	x
83	Immobilizer communication line	When transmitting	Pulse	High: Min. 8.4V(at 14V)
				Low: Max. 6.44V(at 14V)
84	-	x	x	x
85	CAN [High]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		2.75 ~ 4.5V
86	Sensor ground	Idle	DC voltage	Max. 50mV
87	Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input	Idle	Pulse	High: min. 4.8V
				Low: Max. 0.6V
88	-	x	x	x
89	Crankshaft Position Sensor (CKPS) [A] signal input	Idle	Pulse	Vp_p: Min. 1.0V
90	Canister Close Valve (CCV) control output (Without Immobilizer)	Active	DC voltage	Battery voltage
		Inactive		Max. 1.76V
	Fuel pump relay control output (With Immobilizer)	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.44V
91	-	x	x	x
92	-	x	x	x
93	Main relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.7V
94	Start relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 2.64V

ECM Terminal And Input/Output signal [A/T]

ECM Terminal Function (A/T)

Pin No.	Description	Connected to
1	Injector (Cylinder #1) [High] control output	Injector (Cylinder #1)
2	Injector (Cylinder #4) [High] control output	Injector (Cylinder #4)
3	Injector (Cylinder #2) [High] control output	Injector (Cylinder #2)
4	Injector (Cylinder #3) [High] control output	Injector (Cylinder #3)
5	-	x
6	-	x
7	Purge Control Solenoid Valve (PCSV) control output	Purge Control Solenoid Valve (PCSV)
8	-
9	-	x
10	Cruise control switch power	Cruise control switch
11	Sensor power (+5V)	Manifold Absolute Pressure Sensor (MAPS)
		Fuel Tank Pressure Sensor (FTPS)
12	Throttle Position Sensor (TPS) 1 signal input	Throttle Position Sensor (TPS) 1
13	Sensor ground	Engine Coolant Temperature Sensor (ECTS)
14	-	x
15	Sensor power (+5V)	Accelerator Position Sensor (APS) 2
16	-
17	-	x
18	Sensor power (+5V)	Throttle Position Sensor (TPS) 1,2
19	Sensor power (+5V)	Accelerator Position Sensor (APS) 1
20	Cruise control switch ground	Cruise control switch
21	-	x
22	-	x
23	-	x
24	Heated Oxygen Sensor [Bank 1/Sensor 1] heater control output	Heated Oxygen Sensor [Bank 1/Sensor 1]
25	Heated Oxygen Sensor [Bank 1/Sensor 2] heater control output	Heated Oxygen Sensor [Bank 1/Sensor 2]
26	-	x
27	-	x
28	-	x
29	-	x
30	-
31	-
32	Sensor ground	Throttle Position Sensor (TPS) 1,2
33	-	x
34	Throttle Position Sensor (TPS) 2 signal input	Throttle Position Sensor (TPS) 2
35	-	x
36	-	x
37	-	x
38	-	x
39	-	x
40	-	x
41	Sensor ground	Heated Oxygen Sensor [Bank 1/Sensor 2]
42	-	x
43	-	x
44	-	x
45	-	x
46	-	x
47	-	x
48	-	x
49	-	x
50	-	x
51	Alternator PWM signal output	Alternator
52	-	x
53	Brake switch signal input	Brake switch
54	Accelerator Position Sensor (APS) 1 signal input	Accelerator Position Sensor (APS) 1
55	-
56	Accelerator Position Sensor (APS) 2 signal input	Accelerator Position Sensor (APS) 2
57	-	x
58	-	x
59	-	x
60	Sensor ground	Knock Sensor (KS)
61	Knock Sensor (KS) signal input	Knock Sensor (KS)
62	Sensor ground	Accelerator Position Sensor (APS) 1
63	Sensor ground	Accelerator Position Sensor (APS) 2
64	Injector (Cylinder #1) [Low] control output	Injector (Cylinder #1)
65	Injector (Cylinder #4) [Low] control output	Injector (Cylinder #4)
66	Injector (Cylinder #2) [Low] control output	Injector (Cylinder #2)
67	Injector (Cylinder #3) [Low] control output	Injector (Cylinder #3)
68	-	x
69	-	x
70	-	x
71	-	x
72	-	x
73	-	x
74	-	x
75	-	x
76	-	x
77	Fuel Tank Pressure Sensor (FTPS) signal input	Fuel Tank Pressure Sensor (FTPS)
78	Fuel Level Sender (FLS) signal input	Fuel Level Sender (FLS)
79	Cruise control switch signal	Cruise control switch
80	-	x
81	-
82	Engine Coolant Temperature Sensor (ECTS) signal input	Engine Coolant Temperature Sensor (ECTS)
83	VS-/IP- (Common Ground for VS, IP)	Heated Oxygen Sensor [Bank 1/Sensor 1]
84	VS+ (NERNST Cell Voltage)	Heated Oxygen Sensor [Bank 1/Sensor 1]
85	Fuel Pressure Control Valve (FPCV) [Low] control output	Fuel Pressure Control Valve (FPCV)
86	Fuel Pressure Control Valve (FPCV) [High] control output	Fuel Pressure Control Valve (FPCV)
87	-	x
88	-	x
89	-	x
90	-	x
91	-	x
92	-	x
93	-	x
94	-	x
95	-	x
96	-	x
97	-	x
98	-	x
99	-	x
100	-	x
101	-	x
102	-	x
103	Heated Oxygen Sensor [Bank 1/Sensor 2] signal input	Heated Oxygen Sensor [Bank 1/Sensor 2]
104	Rc/Rp (Pump Cell Voltage)	Heated Oxygen Sensor [Bank 1/Sensor 1]
105	Rc (Compensative Resistance)	Heated Oxygen Sensor [Bank 1/Sensor 1]

Pin No.	Description	Connected to
1	ECM ground	Chassis ground
2	ECM ground	Chassis ground
3	Battery power (B+)	Ignition switch
4	ECM ground	Chassis ground
5	Battery power (B+)	Ignition switch
6	Battery power (B+)	Main relay
7	Sensor ground	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
8	Sensor ground	Manifold Absolute Pressure Sensor (MAPS)
9	-	x
10	Sensor ground	Rail Pressure Sensor (RPS)
11	-	x
12	-	x
13	Sensor power (+5V)	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
		Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
14	-	x
15	Sensor power (+5V)	Rail Pressure Sensor (RPS)
		A/C Pressure Transducer (APT)
16	Alternator COM signal output	Alternator
17	-	x
18	-	x
19	-	x
20	Cooling fan relay [Low] control output	Cooling fan relay
21	-	x
22	ETC motor [-] control output	ETC motor
23	ETC motor [+] control output	ETC motor
24	-	x
25	Sensor ground	A/C Pressure Transducer (APT)
26	Manifold Absolute Pressure Sensor (MAPS) signal input	Manifold Absolute Pressure Sensor (MAPS)
27	Rail Pressure Sensor (RPS) signal input	Rail Pressure Sensor (RPS)
28	Intake Air Temperature Sensor (IATS) signal input	Intake Air Temperature Sensor (IATS)
29	-
30	-
31	-	x
32	-	x
33	-	x
34	-	x
35	-	x
36	Cooling fan relay [High] control output	Cooling fan relay
37	Canister Close Valve (CCV) control output (Without Immobilizer)	Canister Close Valve (CCV)
	Fuel pump relay control output (With Immobilizer)	Fuel pump relay
38	-	x
39	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
40	Ignition coil (Cylinder #2) control output	Ignition coil (Cylinder #2)
41	-
42	Sensor ground	Fuel Tank Pressure Sensor (FTPS)
43	-	x
44	A/C Pressure Transducer (APT) signal input	A/C Pressure Transducer (APT)
45	-	x
46	Brake Light switch signal input	Brake switch
47	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
48	-	x
49	Wiper oeration input	Wiper switch
50	Main relay control output	Main relay
51	Fuel pump relay control output (Without Immobilizer)	Fuel pump relay
	Canister Close Valve (CCV) control output (With Immobilizer)	Canister Close Valve (CCV)
52	-	x
53	-	x
54	Immobilizer lamp control output	Cluster
55	-	x
56	CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output	CVVT Oil Control Valve (OCV) [Bank 1/Intake]
57	Ignition coil (Cylinder #1) control output	Ignition coil (Cylinder #1)
58	-	x
59	CCP-CAN [High]	Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
60	CAN [High]	Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
61	Immobilizer communication line	Smart Key Control Module [With Button Engine Start System]
		Immobilizer Control Module [Without Button Engine Start System]
62	LIN communication signal input	Battery sensor
63	-
64	Vehicle speed signal input	Vehicle Speed Sensor
65	-	x
66	Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
67	Start signal input	PDM module
68	Ignition switch signal input	Ignition switch
69	-	x
70	-	x
71	Start relay control output	Start relay
72	-	x
73	-	x
74	Ignition coil (Cylinder #4) control output	Ignition coil (Cylinder #4)
75	Battery power (B+)	Main relay
76	CCP-CAN [Low]	Other control module, Data Link Connector (DLC), Multi-Purpose Check Connectorx
77	CAN [Low]	Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78	Sensor ground	Crankshaft Position Sensor (CKPS)
79	Crankshaft Position Sensor (CKPS) [A] signal input	Crankshaft Position Sensor (CKPS)
80	Sensor ground	Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
81	-
82	-
83	A/C compressor relay control output	A/C compressor relay
84	-	x
85	Variable Intake Solenoid (VIS) Valve control output	Variable Intake Solenoid (VIS) Valve
86	-	x
87	-	x
88	Malfunction Indicator Lamp (MIL) control output	Malfunction Indicator Lamp (MIL)
89	-	x
90	-	x
91	Ignition coil (Cylinder #3) control output	Ignition coil (Cylinder #3)

ECM Terminal Input/Output Signal (A/T)

Pin No.	Description	Condition	Type	Level
1	Injector (Cylinder #1) [High] control output	Relay ON/OFF	DC voltage	71V
2	Injector (Cylinder #4) [High] control output	Relay ON/OFF	DC voltage	71V
3	Injector (Cylinder #2) [High] control output	Relay ON/OFF	DC voltage	71V
4	Injector (Cylinder #3) [High] control output	Relay ON/OFF	DC voltage	71V
5	-	x	x	x
6	-	x	x	x
7	Purge Control Solenoid Valve (PCSV) control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
8	-
9	-	x	x	x
10	Cruise control switch power	x	x	x
11	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
12	Throttle Position Sensor (TPS) 1 signal input	Idle	Analog	0.33 ~ 4.72 V
13	Sensor ground	Idle	DC voltage	Max. 50mV
14	-	x	x	x
15	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
16	-
17	-	x	x	x
18	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
19	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
20	Cruise control switch ground
21	-	x	x	x
22	-	x	x	x
23	-	x	x	x
24	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1] heater control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V
25	Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 2] heater control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V
26	-	x	x	x
27	-	x	x	x
28	-	x	x	x
29	-	x	x	x
30	-
31	-
32	Sensor ground	Idle	DC voltage	Max. 50mV
33	-	x	x	x
34	Throttle Position Sensor (TPS) 2 signal input	Idle	Analog	0.55 ~ 4.37 V
35	-	x	x	x
36	-	x	x	x
37	-	x	x	x
38	-	x	x	x
39	-	x	x	x
40	-	x	x	x
41	Sensor ground	Idle	DC voltage	Max. 50mV
42	-	x	x	x
43	-	x	x	x
44	-	x	x	x
45	-	x	x	x
46	-	x	x	x
47	-	x	x	x
48	-	x	x	x
49	-	x	x	x
50	-	x	x	x
51	Alternator PWM signal output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.5V
52	-	x	x	x
53	Brake switch signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2.25V
54	Accelerator Position Sensor (APS) 1 signal input	Idle	Analog	0.674 ~ 4.379 V
55	-
56	Accelerator Position Sensor (APS) 2 signal input	Idle	Analog	0.261 ~ 2.204 V
57	-	x	x	x
58	-	x	x	x
59	-	x	x	x
60	Sensor ground	Knocking	Variable	x
		Normal	Frequency	x
61	Knock Sensor (KS) signal input	Knocking	Variable	x
		Normal	Frequency	x
62	Sensor ground	Idle	DC voltage	Max. 50mV
63	Sensor ground	Idle	DC voltage	Max. 50mV
64	Injector (Cylinder #1) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
65	Injector (Cylinder #4) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
66	Injector (Cylinder #2) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
67	Injector (Cylinder #3) [Low] control output	Relay OFF	DC voltage	71V
		Relay ON		Max. 1.0V
68	-	x	x	x
69	-	x	x	x
70	-	x	x	x
71	-	x	x	x
72	-	x	x	x
73	-	x	x	x
74	-	x	x	x
75	-	x	x	x
76	-	x	x	x
77	Fuel Tank Pressure Sensor (FTPS) signal input	Idle	Analog	0.3343 ~ 0.4667V
78	Fuel Level signal input	Idle	Analog	0.193 ~ 4.0V
79	Cruise control switch signal	x	x	x
80	-	x	x	x
81	-
82	Engine Coolant Temperature Sensor (ECTS) signal input	Idle	Analog	0.270 ~ 4.77V
83	VS-/IP- (Common Ground for VS, IP)	Idle	DC voltage	Max. 50mV
84	VS+ (NERNST Cell Voltage)	Idle	Analog	0 ~ 5.1V
85	Fuel Pressure Control Valve (FPCV) [Low] control output	Relay OFF	DC voltage	16V
		Relay ON		Max. 1.0V
86	Fuel Pressure Control Valve (FPCV) [High] control output	Relay ON/OFF	DC voltage	16V
87	-	x	x	x
88	-	x	x	x
89	-	x	x	x
90	-	x	x	x
91	-	x	x	x
92	-	x	x	x
93	-	x	x	x
94	-	x	x	x
95	-	x	x	x
96	-	x	x	x
97	-	x	x	x
98	-	x	x	x
99	-	x	x	x
100	-	x	x	x
101	-	x	x	x
102	-	x	x	x
103	Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 2] signal input	Engine	Analog	Rich: 0.6 ~ 1.0V
		Running		Lean: Max. 0.4V
104	Rc/Rp (Pump Cell Voltage)	Idle	Analog	0 ~ 5.1V
105	Rc (Compensative Resistance)	Idle	Analog	0 ~ 5.1V

Pin No.	Description	Condition	Type	Level
1	ECM ground	Idle	DC voltage	Max. 50mV
2	ECM ground	Idle	DC voltage	Max. 50mV
3	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
4	ECM ground	Idle	DC voltage	Max. 50mV
5	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
6	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
7	Sensor ground	Idle	DC voltage	Max. 50mV
8	Sensor ground	Idle	DC voltage	Max. 50mV
9	-	x	x	x
10	Sensor ground	Idle	DC voltage	Max. 50mV
11	-	x	x	x
12	-	x	x	x
13	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
14	-	x	x	x
15	Sensor power (+5V)	IG OFF	DC voltage	Max. 0.5V
		IG ON		4.9 ~ 5.1V
16	Alternator COM signal output	Idle	Pulse	High: Battery voltage
				Low: Max. 0.6V
17	-	x	x	x
18	-	x	x	x
19	-	x	x	x
20	Cooling fan relay [Low] control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
21	-	x	x	x
22	ETC motor [-] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0V
23	ETC motor [+] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.0V
24	-	x	x	x
25	Sensor ground	Idle	DC voltage	Max. 50mV
26	Manifold Absolute Pressure Sensor (MAPS) signal input	Idle	Analog	0.6683 ~ 4.346V
27	Rail Pressure Sensor (RPS) signal input	Idle	Analog	0.43 ~ 3.46V
28	Intake Temperature Sensor (IATS) signal input	Idle	Analog	0.209 ~ 4.756V
29	-
30	-
31	-	x	x	x
32	-	x	x	x
33	-	x	x	x
34	-	x	x	x
35	-	x	x	x
36	Cooling fan relay [High] control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.76V
37	Canister Close Valve (CCV) control output (Without Immobilizer)	Active	DC voltage	Battery voltage
		Inactive		Max. 1.76V
	Fuel pump relay control output (With Immobilizer)	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.44V
38	-	x	x	x
39	CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65V
40	Ignition coil (Cylinder #2) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
41	-	x	x	x
42	Sensor ground	Idle	DC voltage	Max. 50mV
43	-	x	x	x
44	A/C Pressure Transducer (APT) signal input	A/C ON	Analog	0.348 ~ 4.63 V
45	-	x	x	x
46	Brake Light switch signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2.25V
47	Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input	Idle	Pulse	High: min. 4.8V
				Low: Max. 0.6V
48	-	x	x	x
49	Wiper oeration input
50	Main relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.7V
51	Canister Close Valve (CCV) control output (With Immobilizer)	Active	DC voltage	Battery voltage
		Inactive		Max. 1.76V
	Fuel pump relay control output (Without Immobilizer)	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.44V
52	-	x	x	x
53	-	x	x	x
54	Immobilizer lamp control output	x	x	x
55	-	x	x	x
56	CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output	Idle	Pulse	High: Battery voltage
				Low: Max. 1.65V
57	Ignition coil (Cylinder #1) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
58	-	x	x	x
59	CCP-CAN [High]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		2.75 ~ 4.5V
60	CAN [High]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		2.75 ~ 4.5V
61	Immobilizer communication line	When transmitting	Pulse	High: Min. 8.4V(at 14V)
				Low: Max. 6.44V(at 14V)
62	LIN communication signal input	RECESSIVE	Pulse	max 5.6V (at 14V)
		DOMINANT		min 8.4V (at 14V)
63	-
64	Vehicle speed signal input	Idle	Pulse	High: Min. 5.4V
				Low: Max. 2.25V
65	-	x	x	x
66	Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input	Idle	Pulse	High: min. 4.8V
				Low: Max. 0.6V
67	Start signal input	ON	DC voltage	Battery voltage
		OFF		Max. 2V
68	Ignition switch signal input	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
69	-	x	x	x
70	-	x	x	x
		x		x
71	Start relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 2.64V
72	-	x	x	x
73	-	x	x	x
74	Ignition coil (Cylinder #4) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V
75	Battery power (B+)	IG OFF	DC voltage	Max. 1.0V
		IG ON		Battery voltage
76	CCP-CAN [Low]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		0.5 ~ 2.25V
77	CAN [Low]	RECESSIVE	Pulse	2.0 ~ 3.0V
		DOMINANT		0.5 ~ 2.25V
78	Sensor ground	Idle	DC voltage	Max. 50mV
79	Crankshaft Position Sensor (CKPS) [A] signal input	Idle	Pulse	Vp_p: Min. 1.0V
80	Sensor ground	Idle	DC voltage	Max. 50mV
81	-
82	-
83	A/C compressor relay control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.0V
84	-	x	x	x
85	Variable Intake Solenoid (VIS) valve control output	Relay OFF	DC voltage	Battery voltage
		Relay ON		Max. 1.65V
86	-	x	x	x
87	-	x	x	x
88	Malfunction Indicator Lamp (MIL) control output	x	x	x
89	-	x	x	x
90	-	x	x	x
91	Ignition coil (Cylinder #3) control output	Idle	Pulse	1st voltage: 370 ~ 430V
				ON voltage: Max. 2.2V

Circuit Diagram

(M/T)

(A/T)