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
-
-
-
-
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

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