SONATA(YF) >2013 > G 2.4 GDI > Engine Control/Fuel System > Engine Control System > Engine Control Module (ECM)>Schematic Diagrams  
ECM Terminal And Input/Output signal

ECM Terminal Function
Connector [CHG-AG]
Pin
No.
Description
Connected to
1
Ignition Coil (Cylinder #2) control output
Ignition Coil (Cylinder #2)
2
-
 
3
-
 
4
-
 
5
ETC Motor [+] control output
ETC Motor
6
ETC Motor [-] control output
ETC Motor
7
-
 
8
-
 
9
-
 
10
-
 
11
-
 
12
Sensor power (+5V)
Rail Pressure Sensor (RPS)
A/C Pressure Transducer (APT)
Power Steering Pressure Sensor (PSPS)
Fuel Tank Pressure Sensor (FTPS)
13
-
 
14
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
15
-

16
-
 
17
-
 
18
-
 
19
-
 
20
Fuel Tank Pressure Sensor (FTPS) signal input
Fuel Tank Pressure Sensor (FTPS)
21
-
 
22
Ignition Coil (Cylinder #4) control output
Ignition Coil (Cylinder #4)
23
-
 
24
-
 
25
-
 
26
-
 
27
-
 
28
-
 
29
-
 
30
-
 
31
-
 
32
-
 
33
Sensor power (+5V)
Throttle Position Sensor (TPS) 1,2
34
-
 
35
Sensor ground
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
36
Ground
Cruise Control Switch
37
-
 
38
-
 
39
Rail Pressure Sensor (RPS) signal input
Rail Pressure Sensor (RPS)
40
-
 
41
Sensor ground
Fuel Tank Pressure Sensor (FTPS)
42
-
 
43
Shield
Ignition Coil (Cylinder #1,2,3,4)
44
-
 
45
-
 
46
-
 
47
-
 
48
-
 
49
-
 
50
-
 
51
-
 
52
-
 
53
-
 
54
Sensor ground
Throttle Position Sensor (TPS) 1,2
55
Sensor ground
Accelerator Position Sensor (APS) 2
56
Sensor ground
Accelerator Position Sensor (APS) 1
57
Immobilizer communication line
Smart Key Control Module [With Button Engine Start System]
Immobilizer Control Module [Without Button Engine Start System]
58
-
 
59
Intake Air Temperature Sensor (IATS) signal input
Intake Air Temperature Sensor (IATS)
60
Sensor ground
Rail Pressure Sensor (RPS)
61
Sensor ground
Manifold Absolute Pressure Sensor (MAPS)
Intake Air Temperature Sensor (IATS)
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)
65
-
 
66
-
 
67
-
 
68
-
 
69
-
 
70
-
 
71
-
 
72
-
 
73
-
 
74
-
 
75
Throttle Position Sensor (TPS) 2 signal input
Throttle Position Sensor (TPS) 2
76
Accelerator Position Sensor (APS) 2 signal input
Accelerator Position Sensor (APS) 2
77
Accelerator Position Sensor (APS) 1 signal input
Accelerator Position Sensor (APS) 1
78
-

79
-
 
80
Sensor ground
A/C Pressure Transducer (APT)
81
-
 
82
Manifold Absolute Pressure Sensor (MAPS) signal input
Manifold Absolute Pressure Sensor (MAPS)
83
Rc/Rp (Pump Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]
84
VS-/IP- (Common Ground for VS, IP)
Heated Oxygen Sensor [Bank 1/Sensor 1]
85
Ignition Coil (Cylinder #1) control output
Ignition Coil (Cylinder #1)
86
-
 
87
-
 
88
-
 
89
-
 
90
-
 
91
-
 
92
-
 
93
-
 
94
-
 
95
-
 
96
Throttle Position Sensor (TPS) 1 signal input
Throttle Position Sensor (TPS) 1
97
Sensor power (+5V)
Accelerator Position Sensor (APS) 2
98
Sensor power (+5V)
Accelerator Position Sensor (APS) 1
99
-

100
-
 
101
A/C Pressure Transducer (APT) signal input
A/C Pressure Transducer (APT)
102
-
 
103
Sensor power (+5V)
Manifold Absolute Pressure Sensor (MAPS)
104
Rc (Compensative Resistance)
Heated Oxygen Sensor [Bank 1/Sensor 1]
105
VS+ (NERNST Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [CHG-BG]
Pin
No.
Description
Connected to
1
ECM ground
Chassis ground
2
ECM ground
Chassis ground
3
Battery power (B+)
Main Relay
4
ECM ground
Chassis ground
5
Battery power (B+)
Main Relay
6
Battery power (B+)
Main Relay
7
-

8
Crankshaft Position Sensor (CKPS) signal input
Crankshaft Position Sensor (CKPS)
9
-
 
10
Brake Switch 2 signal input
Brake Switch
11
-
 
12
-
 
13
-
 
14
-
 
15
Electrical load signal input
Alternator
16
Alternator PWM signal 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
-
 
21
-
 
22
Injector (Cylinder #2) [High] control output
Injector (Cylinder #2)
23
Injector (Cylinder #2) [Low] control output
Injector (Cylinder #2)
24
-

25
Sensor ground
Crankshaft Position Sensor (CKPS)
26
-
 
27
Brake Switch 1 signal input
Brake Switch
28
-
 
29
Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
30
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
31
-
 
32
LIN communication signal input
Battery Sensor
33
Cooling Fan Relay [Low] control output
Cooling Fan Relay [Low]
34
-

35
-
 
36
-
 
37
Malfunction Indicator Lamp (MIL) control output
Malfunction Indicator Lamp (MIL)
38
-
 
39
Injector (Cylinder #3) [High] control output
Injector (Cylinder #3)
40
Injector (Cylinder #3) [Low] control output
Injector (Cylinder #3)
41
Battery power (B+)
Ignition Switch
42
-
 
43
-
 
44
Sensor shield
Knock Sensor (KS)
45
Sensor ground
Knock Sensor (KS)
46
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
47
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
48
-
 
49
-
 
50
-
 
51
-
 
52
-
 
53
Main Relay control output
Main Relay
54
-
 
55
-
 
56
Injector (Cylinder #4) [High] control output
Injector (Cylinder #4)
57
Injector (Cylinder #4) [Low] control output
Injector (Cylinder #4)
58
Battery power (B+)
Battery
59
-

60
CAN [Low]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
61
-
 
62
Knock Sensor (KS) signal input
Knock Sensor (KS)
63
Clutch Switch signal input
Clutch Switch [M/T]
64
-
 
65
-
 
66
-
 
67
-
 
68
Variable Intake Solenoid (VIS) Valve control output
Variable Intake Solenoid (VIS) Valve
69
Starter Relay control output
Starter Relay [With Button Engine Start System]
70
Fuel Pump Relay control output
Fuel Pump Relay
71
Engine speed signal output
Power Distribution Module (PDM)
72
-
 
73
Injector (Cylinder #1) [High] control output
Injector (Cylinder #1)
74
Injector (Cylinder #1) [Low] control output
Injector (Cylinder #1)
75
Battery power (B+)
Battery
76
-

77
CAN [High]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78
Vehicle speed signal input
ABS/ESC Control Unit [With ABS/ESC]
79
-
 
80
-
 
81
-
 
82
Starter Control Switch signal input
Starter Control Switch [With Button Engine Start System]
83
-

84
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
85
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
CVVT Oil Control Valve (OCV) [Bank 1/Intake]
86
Purge Control Solenoid Valve (PCSV) control output
Purge Control Solenoid Valve (PCSV)
87
Canister Close Valve (CCV) control output
Canister Close Valve (CCV)
88
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
89
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
90
Fuel Pressure Regulator Valve [High] control output
Fuel Pressure Regulator Valve
91
Fuel Pressure Regulator Valve [Low] control output
Fuel Pressure Regulator Valve

ECM Terminal Input/ Output signal
Connector [CHG-AG]
Pin
No.
Description
Condition
Type
Level
1
Ignition Coil (Cylinder #2) control output
Engine
Running
Pulse
Vpeak = 360 ~ 440V
125
(333Hz at idle)
2
-
 
 
 
3
-
 
 
 
4
-
 
 
 
5
ETC Motor [+] control output
Engine
Running
Pulse
High: Battery Voltage
Low: Max.1.0V
6
ETC Motor [-] control output
Engine
Running
Pulse
High: Battery Voltage
Low: Max.1.0V
7
-
 
 
 
8
-
 
 
 
9
-
 
 
 
10
-
 
 
 
11
-
 
 
 
12
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 ~ 5.25V
13
-
 
 
 
14
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
Idle
DC
Rich : 0.6 ~ 1.0V
Lean : Max 0.4V
15
-
 
 
 
16
-
 
 
 
17
-
 
 
 
18
-
 
 
 
19
-
 
 
 
20
Fuel Tank Pressure Sensor (FTPS) signal input
Idle
Analog
-0.3 ~ 5.2V
21
-
 
 
 
22
Ignition Coil (Cylinder #4) control output
Engine
Running
Pulse
Vpeak = 360 ~ 440V
125
(333Hz at idle)
23
-
 
 
 
24
-
 
 
 
25
-
 
 
 
26
-
 
 
 
27
-
 
 
 
28
-
 
 
 
29
-
 
 
 
30
-
 
 
 
31
-
 
 
 
32
-
 
 
 
33
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 ~ 5.25V
34
-
 
 
 
35
Sensor ground
Idle
DC
-0.3 ~ 0.5V
36
Ground
Idle
DC
-0.3 ~ 0.5V
37
-
 
 
 
38
-
 
 
 
39
Rail Pressure Sensor (RPS) signal input
Idle
Analog
-0.3 ~ 5.2V
40
-
 
 
 
41
Sensor ground
Idle
DC
-0.3 ~ 0.5V
42
-
 
 
 
43
Shield
Idle
DC
-0.3 ~ 0.5V
44
-
 
 
 
45
-
 
 
 
46
-
 
 
 
47
-
 
 
 
48
-
 
 
 
49
-
 
 
 
50
-
 
 
 
51
-
 
 
 
52
-
 
 
 
53
-
 
 
 
54
Sensor ground
Idle
DC
-0.3 ~ 0.5V
55
Sensor ground
Idle
DC
-0.3 ~ 0.5V
56
Sensor ground
Idle
DC
-0.3 ~ 0.5V
57
Immobilizer communication line
 
 
 
58
-
 
 
 
59
Intake Air Temperature Sensor (IATS) signal input
Idle
Analog
0 ~ 5.0V
(2.55V at Idle)
60
Sensor ground
Idle
DC
-0.3 ~ 0.5V
61
Sensor ground
Idle
DC
-0.3 ~ 0.5V
62
Sensor ground
Idle
DC
-0.3 ~ 0.5V
63
Engine Coolant Temperature Sensor (ECTS) signal input
Idle
Analog
0.5 ~ 4.5V
(1.02V at Idle)
64
Ignition Coil (Cylinder #3) control output
Engine
Running
Pulse
Vpeak = 360 ~ 440V
125
(333Hz at idle)
65
-
 
 
 
66
-
 
 
 
67
-
 
 
 
68
-
 
 
 
69
-
 
 
 
70
-
 
 
 
71
-
 
 
 
72
-
 
 
 
73
-
 
 
 
74
-
 
 
 
75
Throttle Position Sensor (TPS) 2 signal input
C.T
Analog
4.2 ~ 5.0V
W.O.T
3.3 ~ 3.8V
76
Accelerator Position Sensor (APS) 2 signal input
C.T
Analog
Max. 1.0V
W.O.T
1.5 ~ 3.0V
77
Accelerator Position Sensor (APS) 1 signal input
C.T
Analog
Max. 1.0V
W.O.T
Min. 4.0V
78
-
 
 
 
79
-
 
 
 
80
Sensor ground
Idle
DC
-0.3 ~ 0.5V
81
-
 
 
 
82
Manifold Absolute Pressure Sensor (MAPS) signal input
Idle
Analog
0.8 ~ 1.6V
(1.37V at Idle)
83
Rc/Rp (Pump Cell Voltage)
Idle
Analog
Normal: 450±50 mV
Rich: Max. Normal+150 mV
Lean: Min. Normal-150 mV
84
VS-/IP- (Common Ground for VS, IP)
Idle
Analog
Reference for V_IP, V_N
85
Ignition Coil (Cylinder #1) control output
Engine
Running
Pulse
Vpeak = 360 ~ 440V
125
(333Hz at idle)
86
-
 
 
 
87
-
 
 
 
88
-
 
 
 
89
-
 
 
 
90
-
 
 
 
91
-
 
 
 
92
-
 
 
 
93
-
 
 
 
94
-
 
 
 
95
-
 
 
 
96
Throttle Position Sensor (TPS) 1 signal input
C.T
Analog
0.3 ~ 0.9V
W.O.T
1.5 ~ 3.0V
97
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 ~ 5.25V
98
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 ~ 5.25V
99
-
 
 
 
100
-
 
 
 
101
A/C Pressure Transducer (APT) signal input
 
 
 
102
-
 
 
 
103
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.75 ~ 5.25V
104
Rc (Compensative Resistance)
Idle
Analog
│Rc-Rc/Rp│<±0.1V
105
VS+ (NERNST Cell Voltage)
Idle
Analog
Normal: 450±50 mV
Rich: Max. Normal+150 mV
Lean: Min. Normal-150 mV

Connector [CHG-BG]
Pin
No.
Description
Condition
Type
Level
1
ECM ground
Idle
DC
-0.3 ~ 0.5V
2
ECM ground
Idle
DC
-0.3 ~ 0.5V
3
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
4
ECM ground
Idle
DC
-0.3 ~ 0.5V
5
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
6
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
7
-
 
 
 
8
Crankshaft Position Sensor (CKPS) signal input
Engine
Running
Pulse
High : 4.5 ~ 5.5V
Low : -0.3 ~ 0.5V
Frequency: 850Hz (Idle),
3,000Hz (3,000rpm)
9
-
 
 
 
10
Brake Switch 2 signal input
Brake OFF
DC
Battery Voltage
Brake ON
Max. 0.5V
11
-
 
 
 
12
-
 
 
 
13
-
 
 
 
14
-
 
 
 
15
Electrical load signal input
Lamp OFF
DC
Battery Voltage
Lamp ON
-0.3 ~ 0.5V
16
Alternator PWM signal output
Idle
Pulse
High: Battery Voltage
Low: Max. 1.5V
Frequency: 125Hz
17
-
 
 
 
18
Cooling Fan Relay [High] control output
Relay OFF
DC
Battery Voltage
Relay ON
Max. 1.0V
19
Immobilizer Lamp control output
Lamp OFF
DC
Battery Voltage
Lamp ON
-0.3 ~ 1.2V
20
-
 
 
 
21
-
 
 
 
22
Injector (Cylinder #2) [High] control output
Engine
Running
PWM

23
Injector (Cylinder #2) [Low] control output
Engine
Running
Pulse

24
-
 
 
 
25
Sensor ground
Idle
DC
-0.3 ~ 0.5V
26
-
 
 
 
27
Brake Switch 1 signal input
Brake OFF
DC
Max. 0.5V
Brake ON
Battery Voltage
28
-
 
 
 
29
Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
Engine
Running
Pulse
High: 4.5 ~ 5.5V
Low: -0.3 ~ 0.5V
Frequency: 7Hz (Idle), 25Hz
(3,000rpm)
30
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
Engine
Running
Pulse
High: 4.5 ~ 5.5V
Low: -0.3 ~ 0.5V
Frequency: 7Hz (Idle), 25Hz
(3,000rpm)
31
-
 
 
 
32
LIN communication signal input
 
 
 
33
Cooling Fan Relay [Low] control output
Relay OFF
DC
Battery Voltage
Relay ON
-0.3 ~ 1.2V
34
-
 
 
 
35
-
 
 
 
36
-
 
 
 
37
Malfunction Indicator Lamp (MIL) control output
Lamp OFF
DC
Battery Voltage
Lamp ON
-0.3 ~ 1.2V
38
-
 
 
 
39
Injector (Cylinder #3) [High] control output
Engine
Running
PWM

40
Injector (Cylinder #3) [Low] control output
Engine
Running
Pulse

41
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
42
-
 
 
 
43
-
 
 
 
44
Sensor shield
Idle
DC
-0.3 ~ 0.5V
45
Sensor ground
Idle
DC
-0.3 ~ 0.5V
46
Sensor ground
Idle
DC
-0.3 ~ 0.5V
47
Sensor ground
Idle
DC
-0.3 ~ 0.5V
48
-
 
 
 
49
-
 
 
 
50
-
 
 
 
51
-
 
 
 
52
-
 
 
 
53
Main Relay control output
Relay OFF
DC
Battery Voltage
Relay ON
-0.3 ~ 1.2V
54
-
 
 
 
55
-
 
 
 
56
Injector (Cylinder #4) [High] control output
Engine
Running
PWM

57
Injector (Cylinder #4) [Low] control output
Engine
Running
Pulse

58
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
59
-
 
 
 
60
CAN [Low]
Recessive
Pulse
2.0 ~ 3.0V
Dominant
2.75 ~ 4.5V
61
-
 
 
 
62
Knock Sensor (KS) signal input
Knocking
Variable
Frequency
-0.3 ~ 0.3V
Normal
0V
63
Clutch Switch signal input
S/W OFF
DC
Battery Voltage
S/W ON
-0.3 ~ 0.5V
64
-
 
 
 
65
-
 
 
 
66
-
 
 
 
67
-
 
 
 
68
Variable Intake Solenoid (VIS) Valve control output
Active
DC
Max. 1.0V
Inactive
Battery Voltage
69
Starter Relay control output
Relay OFF
DC
Battery Voltage
Relay ON
-0.3 ~ 1.2V
70
Fuel Pump Relay control output
Relay OFF
DC
Battery Voltage
Relay ON
-0.3 ~ 1.2V
71
Engine speed signal output
Engine
Running
Frequency
High: Battery Voltage
Low: -0.3 ~ 1.0V
Frequency: 21Hz (Idle), 100Hz
(3,000rpm)
72
-
 
 
 
73
Injector (Cylinder #1) [High] control output
Engine
Running
PWM

74
Injector (Cylinder #1) [Low] control output
Engine
Running
Pulse

75
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery Voltage
76
-
 
 
 
77
CAN [High]
Recessive
Pulse
2.0 ~ 3.0V
Dominant
2.75 ~ 4.5V
78
Vehicle speed signal input
 
 
 
79
-
 
 
 
80
-
 
 
 
81
-
 
 
 
82
Starter Control Switch signal input
S/W OFF
DC
-0.3 ~ 0.5V
S/W ON
Battery Voltage
83
-
 
 
 
84
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
Idle
Pulse
High: Battery Voltage
Low: -0.3 ~ 1.0V
Frequency: 300Hz
85
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
Idle
Pulse
High: Battery Voltage
Low: -0.3 ~ 1.0V
Frequency: 300Hz
86
Purge Control Solenoid Valve (PCSV) control output
Inactive
Active
Pulse
High: Battery Voltage
Low: Max. 1.0V
Vpeak: 42.0 ~ 60.0V
Frequency: 20Hz
87
Canister Close Valve (CCV) control output
Active
Inactive
Pulse
High: Battery Voltage
Low: Max. 1.0V
Vpeak: 42.0 ~ 60.0V
88
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output
Engine
Running
Pulse
High: Battery Voltage
Low: -0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty: 0 ~ 100%
89
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output
Engine
Running
Pulse
High: Battery Voltage
Low: -0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty: 0 ~ 100%
90
Fuel Pressure Regulator Valve [High] control output
Engine
Running
PWM

91
Fuel Pressure Regulator Valve [Low] control output
Engine
Running
Pulse


Circuit Diagram