Hyundai Kona: Engine Control System / Engine Control Module (ECM) Schematic diagrams

Hyundai Kona (OS) 2018-2025 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
 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) 2018-2025 Service Manual: Boost Pressure Sensor (BPS) Specifications
Specification Pressure [kPa (kg/cm² / psi)] Resistance (kΩ) 32.5 (0.33, 4.71) 0.5 284 (2.90, 41.19) 4.5 ...

Hyundai Kona (OS) 2018-2025 Owners Manual: Auto stop
To stop the engine in idle stop mode Manual transmission vehicle 1. Decrease the vehicle speed to 5 km/h (3 mph). 2. Set the gear in N (Neutral). 3. Release the clutch pedal. The auto stop indicator () illuminates in green on the instrument cluster, when the engine stops. Information The driving s ...

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