Hyundai Elantra MD/UD: ECM Terminal And Input/Output signal (A/T) - Engine Control Module (ECM). Schematic Diagrams - Engine Control System - Fuel System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: ECM Terminal And Input/Output signal (A/T)

ECM Terminal Function
Connector [CNG-AA]
Pin No.
 Description
 Connected to
1
 Ignition Coil (Cylinder #2) control output
Ignition Coil (Cylinder #2) [Without Immobilizer]
Ignition Coil (Cylinder #3) control output
Ignition Coil (Cylinder #3) [With Immobilizer]
2
 -
 　
3
 -
 　
4
 -
 　
5
 -
 　
6
 -
 　
7
 -
 　
8
 -
 　
9
 -
 　
10
 -
 　
11
 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
 Camshaft Position Sensor (CMPS) [Bank 1/Intake]
12
 Sensor power (+5V)
 Variable Charge Motion Actuator (VCMA)
Battery Sensor　
13
 -
 　
14
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
15
 -
 　
16
 Sensor feedback signal input
 Variable Charge Motion Actuator (VCMA)
17
 -
 　
18
 -
 　
19
 -
 　
20
 Sensor ground
 Crankshaft Position Sensor (CKPS)
21
 Motor [-] control output
 Variable Charge Motion Actuator (VCMA)
22
 Ignition Coil (Cylinder #4) control output
Ignition Coil (Cylinder #4) [Without Immobilizer]
Ignition Coil (Cylinder #1) control output
Ignition Coil (Cylinder #1) [With Immobilizer]
23
 -
 　
24
 -
 　
25
 -
 　
26
 -
 　
27
 -
 　
28
 -
 　
29
 -
 　
30
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
31
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
32
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1/Intake]
33
 Sensor power (+5V)
 Throttle Position Sensor (TPS) 1,2
34
 -
 　
35
 Sensor ground
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
36
 -
 　
37
 Sensor ground
 Variable Charge Motion Actuator (VCMA)
38
 -
 　
39
 -
 　
40
 -
 　
41
 Crankshaft Position Sensor (CKPS) signal input
 Crankshaft Position Sensor (CKPS)
42
 Motor [+] control output
 Variable Charge Motion Actuator (VCMA)
43
 -
 　
44
 -
 　
45
 -
 　
46
 -
 　
47
 -
 　
48
 -
 　
49
 -
 　
50
 -
 　
51
 -
 　
52
 -
 　
53
 -
 　
54
 Sensor ground
 Throttle Position Sensor (TPS) 1, 2
55
 -
 　
56
 Sensor shield ground
 Knock Sensor (KS)
57
 Immobilizer communication line
 Immobilizer control module
58
 Sensor ground
 Battery Sensor　
59
 Intake Air Temperature Sensor (IATS) signal input
 Intake Air Temperature Sensor (IATS)
60
 -
 　
61
 Sensor ground
 Manifold Absolute Pressure Sensor (MAPS)
62
 Sensor ground
 Engine Coolant Temperature Sensor (ECTS)
63
 Engine Coolant Temperature Sensor (ECTS) signal input
 Engine Coolant Temperature Sensor (ECTS)
64
 Ignition Coil (Cylinder #3) control output
Ignition Coil (Cylinder #3) [Without Immobilizer]
Ignition Coil (Cylinder #2) control output
Ignition Coil (Cylinder #2) [With Immobilizer]
65
 -
 　
66
 -
 　
67
 -
 　
68
 -
 　
69
 -
 　
70
 -
 　
71
 -
 　
72
 -
 　
73
 -
 　
74
 -
 　
75
 Throttle Position Sensor (TPS) 2 signal input
 Throttle Position Sensor (TPS) 2
76
 -
 　
77
 Sensor ground
 Knock Sensor (KS)
78
 -
 　
79
 Battery Sensor signal　
 Battery Sensor　
80
 -
 　
81
 -
 　
82
 Manifold Absolute Pressure Sensor (MAPS) signal input
Manifold Absolute Pressure Sensor (MAPS)
83
 VIP (Current Pump)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
84
 VG (Virtual Ground)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
85
 Ignition Coil (Cylinder #1) control output
Ignition Coil (Cylinder #1) [Without Immobilizer]
Ignition Coil (Cylinder #4) control output
Ignition Coil (Cylinder #4) [With Immobilizer]
86
 -
 　
87
 -
 　
88
 -
 　
89
 -
 　
90
 -
 　
91
 -
 　
92
 -
 　
93
 -
 　
94
 -
 　
95
 -
 　
96
 Throttle Position Sensor (TPS) 1 signal input
 Throttle Position Sensor (TPS) 1
97
 -
 　
98
 Knock Sensor (KS) signal input
 Knock Sensor (KS)
99
 -
 　
100
 Battery Current Direct input
 Battery Sensor　
101
 -
 　
102
 -
 　
103
 Sensor power (+5V)
 Manifold Absolute Pressure Sensor (MAPS)
104
 VRC (Current Adjust)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
105
 VN (NERNST Cell Voltage)
 Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [CNG-AB]
Pin No.
 Description
 Connected to
1
 Power ground
 Chassis Ground
2
 Power ground
 Chassis Ground
3
 Battery power (B+)
 Main Relay
4
 Power ground
 Chassis Ground
5
 Battery power (B+)
 Main Relay
6
 Battery power (B+)
 Main Relay
7
 -
 　
8
 -
 　
9
 -
 　
10
 Brake Test Switch signal input
 Brake Switch
11
 A/C Compressor switch signal output
 A/C Compressor switch
12
 -
 　
13
 Sensor power (+5V)
 Fuel Tank Pressure Sensor (FTPS)
A/C Pressure Transducer (APT)
14
 -
 　
15
 Electrical load signal input
 Alternator
16
 Alternator PWM control output
 Alternator
17
 -
 　
18
 Cooling Fan Relay [High] control output
 Cooling Fan Relay [High]
19
 Immobilizer Lamp control output
 Immobilizer Lamp [Without Button Engine Start System]
20
 ETC Motor [+] control output
 ETC Motor
21
 ETC Motor [-] control output
 ETC Motor
22
 Electrical load [Wiper] signal input
 Wiper [Low] Relay
23
 Injector (Cylinder #1) control output
 Injector (Cylinder #1)
24
 -
 　
25
 -
 　
26
 -
 　
27
 Brake Light Switch signal input
 Brake Switch
28
 A/C request switch signal output
 Heater & A/C Control module
29
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 1
30
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 2
31
 -
 　
32
 -
 　
33
 Cooling Fan Relay [Low] control output
 Cooling Fan Relay [Low]
34
 -
 　
35
 -
 　
36
 -
 　
37
 -
 　
ECM Terminal And Input/Output signal (M/T)
ECM Terminal Function Connector [CNG-MA] Pin No. Description Connected to 1 Ignition Coil (Cylinder #1) control output ...

Circuit Diagram
(M/T) (A/T) ...