Hyundai Kona: 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
Ignition coil (Cylinder #4) control output
Ignition coil (Cylinder #4)
2
Ignition coil (Cylinder #3) control output
Ignition coil (Cylinder #3)
3
-

4
-

5
Injector (Cylinder #3) [Low] control output
Injector (Cylinder #3)
6
-

7
Engine Coolant Temperature Sensor (ECTS) signal input
Engine Coolant Temperature Sensor (ECTS) 
8
Exhaust Gas Temperature Sensor (EGTS) #1 signal input
Exhaust Gas Temperature Sensor (EGTS) #1
9
Boost Pressure Sensor (BPS) signal input
Boost Pressure Sensor (BPS)
10
Exhaust Gas Temperature Sensor (EGTS) #2 signal input
Exhaust Gas Temperature Sensor (EGTS) #2
11
-

12
-

13
Throttle Position Sensor (TPS) 1 signal input
Throttle Position Sensor (TPS) 1 [ETC Module]
14
Accelerator Position Sensor (APS) 1 signal input
Accelerator Position Sensor (APS) 1
15
-

16
Ignition coil (Cylinder #2) control output
Ignition coil (Cylinder #2)
17
Ignition coil (Cylinder #1) control output
Ignition coil (Cylinder #1)
18
ETC motor [+] control output
ETC motor
19
-

20
Injector (Cylinder #2) [Low] control output
Injector (Cylinder #2)
21
-

22
-

23
-

24
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
25
-

26
Vehicle speed signal input [With ABS/ESP]
Smart Key Control Module
27
Start signal input
Inhibitor Switch
28
Brake Test switch signal input
Brake switch
29
Brake Light switch signal input
Brake switch
30
-

31
Injector (Cylinder #2) [High] control output
Injector (Cylinder #2)
32
Injector (Cylinder #3) [High] control output
Injector (Cylinder #3)
33
-

34
Injector (Cylinder #1) [Low] control output
Injector (Cylinder #1)
35
Fuel Pressure Control Valve (FPCV) [High] control output
Fuel Pressure Control Valve (FPCV)
36
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
37
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
38
Alternator electric load signal input (FR)
Alternator
39
-

40
-

41
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal input
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
42
-

43
-

44
-

45
Electric load signal input [Defrost]
A/C Control Module
46
Injector (Cylinder #4) [High] control output
Injector (Cylinder #4)
47
Injector (Cylinder #1) [High] control output
Injector (Cylinder #1)
48
ETC motor [-] control output
ETC motor
49
Injector (Cylinder #4) [Low] control output
Injector (Cylinder #4)
50
Fuel Pressure Control Valve (FPCV) [Low] control output
Fuel Pressure Control Valve (FPCV)
51
-
Vehicle Speed Sensor
52
-
Vehicle Speed Sensor
53
Sensor ground
Crankshaft Position Sensor
54
Crankshaft position sensor signal input
Crankshaft Position Sensor
55
-

56
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
57
Sensor ground
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2]
58
-

59
-

60
-


Connector [K]
Pin No
Description
Connected to
1
ECM ground
Chassis ground
2
ECM ground
Chassis ground
3
ECM ground
Chassis ground
4
Battery power (B+)
Battery
5
Battery power (B+)
Main relay
6
Battery power (B+)
Main relay
7
Battery power (B+)
Battery
8
Sensor ground
Accelerator Position Sensor (APS) 1
9
Sensor ground
Manifold Absolute Pressure Sensor (MAPS)
10
Sensor ground
Boost Pressure Sensor (BPS)
11
-

12
-

13
-

14
Sensor ground
Exhaust Gas Temperature Sensor (EGTS) #2
15
-

16
Sensor ground
Engine Coolant Temperature Sensor (ECTS)
17
-

18
-

19
Waste Gate Solenoid Valve (WGV) control output
Waste Gate Solenoid Valve (WGV)
20
-

21
-

22
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
CVVT Oil Control Valve (OCV) [Bank 1/Intake]
23
-

24
Cooling fan relay [PWM] control output
Cooling fan relay
25
-

26
-

27
Fuel pump relay control output (with Smart key type)
Fuel pump relay
28
-

29
Ignition switch signal input
Ignition switch
30
Sensor ground
Accelerator Position Sensor (APS) 2
31
-

32
Sensor ground
Exhaust Gas Temperature Sensor (EGTS) #1
33
-

34
-

35
-

36
Sensor ground
Rail Pressure Sensor (RPS)
37
Sensor ground
A/C Pressure Transducer (APT)
38
-

39
Alternator target voltage data signal output (COM)
Alternator
40
-

41
Start relay control output
Start relay
42
-

43
Sensor power (+5V)
Accelerator Position Sensor (APS) 2
44
Sensor power (+5V)
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
45
-

46
-

47
-

48
-

49
-

50
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
51
Battery power (B+)
Main relay
52
Sensor ground
Throttle Position Sensor (TPS) [ETC Module]
53
-

54
A/C Pressure Transducer (APT) signal input
A/C Pressure Transducer (APT)
55
-

56
Intake Temperature Sensor (IATS) signal input
Intake Temperature Sensor (IATS)
57
Manifold Absolute Pressure Sensor (MAPS) signal input
Manifold Absolute Pressure Sensor (MAPS)
58
Sensor ground
Knock Sensor (KS)
59
VS+ (NERNST Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]
60
Rc (Compensative Resistance)
Heated Oxygen Sensor [Bank 1/Sensor 1]
61
-

62
CCP-CAN [Low]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
63
C-CAN [Low]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
64
-

65
-

66
Sensor power (+5V)
Accelerator Position Sensor (APS) 1
67
-

68
RCV control Solenoid Valve control output
RCV control solenoid valve
69
-

70
-

71
Fuel pump relay control output (NON-Smart key type)
Fuel pump relay
72
-

73
-

74
Throttle Position Sensor (TPS) 2 signal input
Throttle Position Sensor (TPS) 2 [ETC Module]
75
-

76
Fuel Level signal input
Fuel Level Sender (FLS)
77
Accelerator Position Sensor (APS) 2 signal input
Accelerator Position Sensor (APS) 2
78
Rail Pressure Sensor (RPS) signal input
Rail Pressure Sensor (RPS)
79
Knock Sensor (KS) signal input
Knock Sensor (KS)
80
VS-/IP- (Common Ground for VS, IP)
Heated Oxygen Sensor [Bank 1/Sensor 1]
81
Rc/Rp (Pump Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]
82
Engine speed signal output
Smart Key Control Module
83
Immobilizer communication line
Smart Key Control Module [With Smart Key Control System]
Immobilizer Control Module [Without Smart Key Control System]
84
CCP-CAN [High]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
85
C-CAN [High]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
86
Sensor power (+5V)
Manifold Absolute Pressure Sensor (MAPS)
87
Sensor power (+5V)
Rail Pressure Sensor (RPS)
Boost Pressure Sensor (BPS)
A/C Pressure Transducer (APT)
88
Sensor power (+5V)
Throttle Position Sensor (TPS) 1,2 [ETC Module]
89
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
90
-

91
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
92
-

93
-

94
Purge Control Solenoid Valve (PCSV) control output
Purge Control Solenoid Valve (PCSV)

ECM Terminal Input/Output Signal
Connector [A]
Pin No
Description
Condition
Type
Level
1
Ignition coil (Cylinder #4) control output
Idle
Pulse
1st voltage : 370 - 430V
ON voltage : Max. 2.2V
2
Ignition coil (Cylinder #3) control output
Idle
Pulse
1st voltage : 370 - 430V
ON voltage : Max. 2.2V
3
-



4
-



5
Injector (Cylinder #3) [Low] control output
Relay OFF
DC
71V
Relay ON
Max. 1.0V
6
-



7
Engine Coolant Temperature Sensor (ECTS) signal input
Idle
Analog
0.270 - 4.77V
8
Exhaust Gas Temperature Sensor (EGTS) #1 signal input



9
Boost Pressure Sensor (BPS) signal input



10
Exhaust Gas Temperature Sensor (EGTS) #2 signal input



11
-



12
-



13
Throttle Position Sensor (TPS) 1 signal input
Idle
Analog
0.33 - 4.72V
14
Accelerator Position Sensor (APS) 1 signal input
Idle
Analog
0.674 - 4.379V
15
-



16
Ignition coil (Cylinder #2) control output
Idle
Pulse
1st voltage : 370 - 430V
ON voltage : Max. 2.2V
17
Ignition coil (Cylinder #1) control output
Idle
Pulse
1st voltage : 370 - 430V
ON voltage : Max. 2.2V
18
ETC motor [+] control output
Idle
Pulse
High : Battery voltage
Low : Max. 1.0V
19
-



20
Injector (Cylinder #2) [Low] control output
Relay OFF
DC
71V
Relay ON
Max. 1.0V
21
-



22
-



23
-



24
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input
Idle
Pulse
High : min. 4.8V
Low : Max. 0.6V
25
-



26
Vehicle speed signal input



27
Start signal input
ON
Pulse
High : Battery voltage
OFF
Max. 2V
28
Brake Test switch signal input
ON
DC
Battery voltage
OFF
Max. 2.25V
29
Brake Light switch signal input
ON
DC
Battery voltage
OFF
Max. 2.25V
30
-



31
Injector (Cylinder #2) [High] control output
Relay ON/OFF
DC
71V
32
Injector (Cylinder #3) [High] control output
Relay ON/OFF
DC
71V
33
-



34
Injector (Cylinder #1) [Low] control output
Relay OFF
DC
71V
Relay ON
Max. 1.0V
35
Fuel Pressure Control Valve (FPCV) [High] control output
Relay ON/OFF
DC
16V
36
Sensor ground
Idle
DC
Max. 50 mV
37
Sensor ground
Idle
DC
Max. 50 mV
38
Alternator electric load signal input (FR)
Idle
Pulse
High : Battery voltage
Low : Max. 1.5V
39
-



40
-



41
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal input
Engine
Analog
Rich : 0.6 - 1.0V
Running
Lean : Max. 0.4V
42
-



43
-



44
-



45
Electric load signal input [Defrost]
ON
DC
Battery voltage
OFF
Max. 2.25V
46
Injector (Cylinder #4) [High] control output
Relay ON/OFF
DC
71V
47
Injector (Cylinder #1) [High] control output
Relay ON/OFF
DC
71V
48
ETC motor [-] control output
Idle
Pulse
High : Battery voltage
Low : Max. 1.0V
49
Injector (Cylinder #4) [Low] control output
Relay OFF
DC
71V
Relay ON
Max. 1.0V
50
Fuel Pressure Control Valve (FPCV) [Low] control output
Relay OFF
DC
16V
Relay ON
Max. 1.0V
51
Vehicle speed signal input [Without ABS/ESP]
Idle
Pulse
High : Min. 5.4V
Low : Max. 2.25V
52
Vehicle speed signal input [Without ABS/ESP]
Idle
Pulse
High : Min. 5.4V
Low : Max. 2.25V
53
Sensor ground
Idle
DC
Max. 50 mV
54
Crankshaft position Sensor Signal input



55
-



56
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
Idle
Pulse
High : min. 4.8V
Low : Max. 0.6V
57
Sensor ground
Idle
DC
Max. 50 mV
58
-



59
-



60
-




Connector [K]
Pin No
Description
Condition
Type
Level
1
ECM ground
Idle
DC
Max. 50 mV
2
ECM ground
Idle
DC
Max. 50 mV
3
ECM ground
Idle
DC
Max. 50 mV
4
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage
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
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage
8
Sensor ground
Idle
DC
Max. 50 mV
9
Sensor ground
Idle
DC
Max. 50 mV
10
Sensor ground
Idle
DC
Max. 50 mV
11
-



12
-



13
-



14
Sensor ground
Idle
DC
Max. 50 mV
15
-



16
Sensor ground
Idle
DC
Max. 50 mV
17
-



18
-



19
RCV control solenoid valve control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.76V
20
A/C compressor relay control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.0V
21
-



22
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
Idle
Pulse
High : Battery voltage
Low : Max. 1.65V
23
-



24
Cooling fan relay [PWM] control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.76V
25
-



26
-



27
Fuel pump relay control output (Smart key type)
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.44V
28
-



29
Ignition switch signal input
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage
30
Sensor ground
Idle
DC
Max. 50 mV
31
-



32
Sensor ground
Idle
DC
Max. 50 mV
33
-



34
-



35
-



36
Sensor ground
Idle
DC
-
37
Sensor ground
Idle
DC
Max. 50 mV
38
-



39
Alternator target voltage data signal output (COM)
Idle
Pulse
High : Battery voltage
Low : Max. 0.6V
40
-



41
Start relay control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 2.64V
42
-



43
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
44
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
45
-



46
-



47
-



48
-



49
-



50
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
Idle
Pulse
High : Battery voltage
Low : Max. 1.65V
51
Battery power (B+)
IG OFF
DC
Max. 1.0V
IG ON
Battery voltage
52
Sensor ground
Idle
DC
Max. 50 mV
53
-



54
A/C Pressure Transducer (APT) signal input
A/C ON
Analog
0.348 - 4.63V
55
-



56
Intake Temperature Sensor (IATS) signal input
Idle
Analog
0.209 - 4.756V
57
Manifold Absolute Pressure Sensor (MAPS) signal input
Idle
Analog
0.6683 - 4.346V
58
Sensor ground
Knocking
Variable

Normal
Frequency

59
VS+ (NERNST Cell Voltage)
Idle
Analog
0 - 5.1V
60
Rc (Compensative Resistance)
Idle
Analog
0 - 5.1V
61
LIN communication signal input



62
CCP-CAN [Low]
RECESSIVE
Pulse
2.0 - 3.0V
DOMINANT
0.5 - 2.25V
63
C-CAN [Low]
RECESSIVE
Pulse
2.0 - 3.0V
DOMINANT
0.5 - 2.25V
64
-



65
-



66
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
67
-



68
RCV control solenoid valve control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.76V
69
-



70
-



71
Fuel pump relay control output (NON-Smart key type)
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.44V
72
-



73
-



74
Throttle Position Sensor (TPS) 2 signal input
Idle
Analog
0.55 - 4.37 V
75
-



76
Fuel Level signal input
Idle
Analog
0.193 - 4.0V
77
Accelerator Position Sensor (APS) 2 signal input
Idle
Analog
0.261 - 2.204 V
78
Rail Pressure Sensor (RPS) signal input
Idle
Analog
0.43 - 3.46V
79
Knock Sensor (KS) signal input
Knocking
Variable

Normal
Frequency

80
VS-/IP- (Common Ground for VS, IP)
Idle
DC
Max. 50 mV
81
Rc/Rp (Pump Cell Voltage)
Idle
Analog
0 - 5.1V
82
Engine speed signal output



83
Immobilizer communication line
When transmitting
Pulse
High : Min. 8.4V (at 14V)
Low : Max. 6.44V (at 14V)
84
CCP-CAN [High]
RECESSIVE
Pulse
2.0 - 3.0V
DOMINANT
2.75 - 4.5V
85
C-CAN [High]
RECESSIVE
Pulse
2.0 - 3.0V
DOMINANT
2.75 - 4.5V
86
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
87
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
88
Sensor power (+5V)
IG OFF
DC
Max. 0.5V
IG ON
4.9 - 5.1V
89
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.65V
90
-



91
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.65V
92
-



93
-



94
Purge Control Solenoid Valve (PCSV) control output
Relay OFF
DC
Battery voltage
Relay ON
Max. 1.76V

Components and components location
Components Location 1. ECM (Engine Control Module) 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) 4. Boost Pressure Senso ...

Engine Control Module (ECM) Repair procedures
Removal    • When replacing the ECM, the vehicle equipped with the immobilizer mu ...

Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: Ignition Coil Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the battery negative (-) terminal. 2. Remove the engine cover. 3. Disconnect the ignition coil connector (A). ...

Hyundai Kona (OS) 2018-2020 Owners Manual: Additional safety precautions
Passengers should not move out of or change seats while the vehicle is moving. A passenger who is not wearing a seat belt during a crash or emergency stop can be thrown against the inside of the vehicle, against other occupants, or be ejected from the vehicle. Do not use any accessories on seat b ...

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