Hyundai Santa Fe: Engine Control System / Engine Control Module (ECM). Schematic diagrams

Hyundai Santa Fe (TM) 2019-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Control Module (ECM). Schematic diagrams

ECM Terminal and Input/Output signal

ECM Terminal Function

Connector A

Pin No	Description	Connected to
1	Power ground	Chassis Ground
2	-	-
3	-	-
4	-	-
5	-	-
6	Fuel Sender Signal	Fuel Sender
7	-	-
8	-	-
9	-	-
10	-	-
11	-	-
12	-	-
13	-	-
14	-	-
15	Stop Lamp Signal	Stop Lamp
16	Brake Test Switch	Brake Switch
17
18	-
19	-
20	Output Speed (Supply)	ATM Solenoid Valve (Otput Speed)
21	Input Speed (Supply)	ATM Solenoid Valve (Input Speed)
22	-	-
23	-	-
24	-	-
25	-	-
26	-	-
27	[A/T] SOL. (PWR1)	ATM Solenoid Valve
28	-	-
29	-	-
30	-	-
31	-	-
31	-	-
32	-	-
33	-	-
34	-	-
35	-	-
36	-	-
37	-	-
38	APT (Signal)	A/C Pressure Transducer (APT)
39	-	-
40	-	-
41	-	-
42	-	-
43	[A/T] Output Speed (Signal)	Engine Control Relay
44	[A/T] Input Speed (Signal)	ATM Solenoid Valve
45	-	-
46	-	-
47	-	-
48	[A/T] SOL. (VFS_26B)	ATM Solenoid Valve
49	[A/T] SOL. (VFS_OD)	ATM Solenoid Valve
50	[A/T] SOL. (VFS_PWR2)	ATM Solenoid Valve
51	-	-
52	-	-
53	-	-
54	-	-
55	-	-
56	APS (APS. 2 Ground)	Accelerator Position Sensor (APS)
57	APS (APS. 1 Ground)	Accelerator Position Sensor (APS)
58	-	-
59	-	-
60	-	-
61	APT (Ground)	A/C Pressure Transducer (APT)
62	-	-
63	-	-
64	-	-
65	-	-
66	-	-
67	-	-
68	-	-
69	[A/T] SOL. (OTS (-))	ATM Solenoid Valve
70	[A/T] SOL. (OTS (+))	ATM Solenoid Valve
71	-	-
72	[A/T] SOL. (VFS_LINE)	ATM Solenoid Valve
73	[A/T] SOL. (VFS_UD)	ATM Solenoid Valve
74	Start Relay Control	B/Alarm Relay
75	-	-
76	Vehicle Speed Signal	IBU & ESP Control Module
77	-	-
78	-	-
79	APS (APS. 2 Ground)	Accelerator Position Sensor (APS)
80	APS (APS. 1 Ground)	Accelerator Position Sensor (APS)
81	-	-
82	O2 Sensor (Up) (V_N)	Oxygen Sensor (Up)
83	O2 Sensor (Down) (Ground)	Oxygen Sensor (Down)
84	O2 Sensor (Up) (V_RC)	Oxygen Sensor (Up)
85	-	-
86	-	-
87	-	-
88	-	-
89	-	-
90	-	-
91	-	-
92	-	-
93	-	-
94	[A/T] SOL. Power (SS-B)	ATM Solenoid Valve
95	[A/T] SOL. (VFS_35R)	ATM Solenoid Valve
96	Memory Power	PCB Block
97	Wiper 'P' Input	PCB Block
98	-	-
99	-	-
100	-	-
101	-	-
102	APS (APS. 2 Supply)	Accelerator Position Sensor (APS)
103	APS (APS. 1 Supply)	Accelerator Position Sensor (APS)
104	APT (Supply)	A/C Pressure Transducer (APT)
105	O2 Sensor (Up) (V_G)	Oxygen Sensor (Up)
106	O2 Sensor (Down) (Signal)	Oxygen Sensor (Down)
107	O2 Sensor (Up) (V_IP)	Oxygen Sensor (Up)
108	-	-
109	Knock Sensor (Ground)	Knock Sensor (KS)
110	Knock Sensor (Signal)	Knock Sensor (KS)
111	-	-
112	-	-
113	-	-
114	-	-
115	-	-
116	-	-
117	[A/T] SOL. (SS-A)	ATM Solenoid Valve
118	[A/T] SOL. (VFS_T/CON)	ATM Solenoid Valve
119	Memory Power	PCB Block

Connector B

Pin No	Description	Connected to
1	Engine Control Relay 'ON' Input	Engine Control Relay
2	Engine Control Relay 'ON' Input	Engine Control Relay
3	Ground	Ground
4	Ground	Ground
5	Engine Control Relay 'ON' Input	PCB Block
6	P-CAN (High)	P-CAN (High)
7	P-CAN (Low)	P-CAN (Low)
8	-	-
9	-	-
10	-	-
11	-	-
12	-	-
13	OPTS (Signal)	Oil Pressure Switch
14	CMP (IN) (Signal)	Camshaft Position Sensor (Intake)
15	CMP (EX) (Signal)	Camshaft Position Sensor (Exhaust)
16	ETC Motor & Throttle Position Sensor.1 Signal	ETC Motor & Throttle Position Sensor
17	ETC Motor & Throttle Position Sensor Supply	ETC Motor & Throttle Position Sensor
18	-	-
19	-	-
20	-	-
21	-	-
22	-	-
23	-	-
24	Ignition Coil #1 (Control)	Ignition Coil #1
25	O2 Sensor (Up) (Heater)	Oxygen Sensor (Up)
26	O2 Sensor (Down) (Heater)	Oxygen Sensor (Down)
27	-	-
28	-	-
29	Local-CAN (High)	Electronic ATM Shift Lever, SCU (High)
30	Local-CAN (Low)	Electronic ATM Shift Lever, SCU (Low)
31	-	-
32	-	-
33	-	-
34	WTS #1 (Signal)	Engine Coolant Temperature Sensor
35	Sensor Power : Map, CMP (In), CKP	Sensor Power : Map, CMP (In), CKP
36	-	-
37	CMP (In) (Ground)	Camshaft Position Sensor (Intake)
38	CMP (EX) (Ground)	Camshaft Position Sensor (Exhaust)
39	ETC Motor & Throttle Position Sensor.2 Signal	ETC Motor & Throttle Position Sensor
40	-	-
41	-	-
42	Fuel Pump Relay Control	Fuel Pump Relay
43	Engine Control Relay Control	Engine Control Relay
44	-	-
45	-	-
46	A/C Relay Control	A/C Relay
47	Ignition Coil #3 (Control)	Ignition Coil #3
48	ETC DC Motor (+)	ETC Motor
49	ETC DC Motor (-)	ETC Motor
50	-	-
51	ON/Start (Input)	ON/Start (Input)
52	-	-
53	-	-
54	-	-
55	-	-
56	-	-
57	WTS #1 (Ground)	Engine Coolant Temperature Sensor
58	MAP & IAT Ground	MAP Sensor
59	-	-
60	-	-
61	-	-
62	ETC (TPS Groud)	ETC Motor & Throttle Position Sensor
63	-	-
64	-	-
65	Start Relay (Low Side)	Start Relay
66	-	-
67	-	-
68	-	-
69	-	-
70	OCV Control (EX)	CVVT Oil Control Valve (OCV)
71	OCV Control (IN)	CVVT Oil Control Valve (OCV)
72	-	-
73	-	-
74	-	-
75	Local-CAN2 (High)	Can Check
76	Local-CAN2 (Low)	Can Check
77	Alternator (IN)	Alternator
78	-	-
79	-	-
80	CKP (Ground)	Crankshaft Position Sensor (CKPS)
81	MAP Sensor (Signal)	MAP Sensor
82	Ignition Coil #1/#4 (Feedback)	Ignition Coil #1 / #4 (Feedback)
83	-	-
84	-	-
85	-	-
86	-	-
87	-	-
88	C/FAN Motor (PWM Signal)	C/FAN Motor
89	PCSV Control	Purge Control Solanoid Valve
90	CCV Control (Not Used)	Canister Close Valve
91	-	-
92	VIS Control	Variable Intake Solenoid Valve (VIS)
93	Ignition Coil #4 Control	Ignition Coil #4
94	Injector Coil #4 Control	Injector Coil #4
95	-	-
96	-	-
97	-	-
98	-	-
99	IMMO. Data Line	Immobilizer
100	-	-
101	-	-
102	-	-
103	Crankshaft Position Sensor (CKPS) signal input	Crankshaft Position Sensor (CKPS)
104	IAT Sensor	MAP Sensor
105	Ignition Coil #2 / #3 (Feedback)	Ignition Coil #2 / #3 (Feedback)
106	-	-
107	-	-
108	CMP (EX) (Supply)	Camshaft Position Sensor (CMPS)
109	FTPS (Not Used)	Fuel Tank Pressure Sensor (FTPS)
110	Engine RPM Signal	Engine RPM Signal
111	-	-
112	-	-
113	-	-
114	-	-
115	Thermostat PWM	Electronic Thermostat
116	Ignition Coil #2 Control	Ignition Coil #2
117	Injector Coil #1 Control	Injector Coil #1
118	Injector Coil #3 Control	Injector Coil #3
119	Injector Coil #2 Control	Injector Coil #2

Components and components location

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Engine Control Module (ECM). Repair procedures

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Other information:

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