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Home >> Kia >> 2018 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> Connector [K]
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Connector [K]

Pin No. Description Connected to
1 ECM Ground Chassis ground
2 Battery power (B+) Main Relay
3 ECM Ground Chassis ground
4 Battery power (B+) Main Relay
5 ECM Ground Chassis ground
6 Battery power (B+) Main Relay
7 Fuel Pressure Control Valve [High] control Fuel Pressure Control Valve (FPCV)
8 -  
9 -  
10 Engine Coolant Sensor (ECTS) signal input [EGR cooler tube] Engine Coolant Sensor (ECTS) [EGR cooler tube]
11 Sensor ground Engine Coolant Sensor (ECTS) [EGR cooler tube]
12 Vehicle signal input Active Hydraulic Boost (AHB) System
    Smart key control module
13 -  
14 -  
15 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
16 Sensor power (+5V) Accelerator Position Sensor (APS) 2
17 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS) & Intake Air Temperature Sensor (IATS)
18 Sensor power (+5V) Accelerator Position Sensor (APS) 1
19 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
20 Sensor power (+5V) Crankshaft Position Sensor Sensor (CKPS)
A/C Pressure Transducer (APT)
21 -  
22 -  
23 -  
24 Fuel pump relay control Fuel pump relay
25 -  
26 -  
27 -  
28 -  
29 Fuel Pressure Control Valve [Low] control Fuel Pressure Control Valve (FPCV)
30 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
31 -  
32 Crankshaft Position Sensor Sensor (CKPS) signal input Crankshaft Position Sensor Sensor (CKPS)
33 -  
34 -  
35 -  
36 -  
37 Sensor ground (-) Accelerator Position Sensor (APS) 2
38 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS) & Intake Air Temperature Sensor (IATS)
39 Intake Air Temperature Sensor (IATS) signal input Manifold Absolute Pressure Sensor (MAPS) & Intake Air Temperature Sensor (IATS)
40 Sensor ground (-) Manifold Absolute Pressure Sensor (MAPS) & Intake Air Temperature Sensor (IATS)
41 Sensor ground (-) Accelerator Position Sensor (APS) 1
42 -  
43 -  
44 Mass Air Flow Sensor (MAFS) signal input Mass Air Flow Sensor (MAFS)
45 Sensor ground (-) Mass Air Flow Sensor (MAFS)
46 Main Relay control Main Relay
47 Variable Force Solenoid (VFS) [Bank 1/Intake] control Variable Force Solenoid (VFS) [Bank 1/Intake]
48    
49 -  
50 -  
51 Battery power (B+) Ignition Switch
52 -  
53 -  
54 Sensor ground (-) Crankshaft Position Sensor Sensor (CKPS)
55 P-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
56 H-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
57 -  
58 Immobilizer communication line Smart key control module
59 -  
60 Engine Coolant Sensor (ECTS) signal input [Water Temperature Control Assembly] Engine Coolant Sensor (ECTS) [Water Temperature Control Assembly]
61 Sensor ground Engine Coolant Sensor (ECTS) [Water Temperature Control Assembly]
62    
63 -  
64 Ignition Coil (Cylinder #2) control Ignition Coil (Cylinder #2)
65 Ignition Coil (Cylinder #3) control Ignition Coil (Cylinder #3)
66 -  
67 -  
68 Cooling fan relay control Cooling Fan Relay
69 -  
70 CVVT Oil Control Valve (OCV) (OCV) [Bank 1/Exhaust] control CVVT Oil Control Valve (OCV) (OCV) [Bank 1/Exhaust]
71 -  
72 -  
73 Battery power (B+) Battery
74 -  
75 Sensor ground (-) A/C Pressure Transducer (APT)
76 Local Interconnect Network (LIN) Serial Bus Line Battery Sensor
77 P-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78 H-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
79 -  
80 -  
81 -  
82 -  
83 -  
84 -  
85 -  
86 Ignition Coil (Cylinder #4) control Ignition Coil (Cylinder #4)
87 Ignition Coil (Cylinder #1) control Ignition Coil (Cylinder #1)
88 -  
89 -  
90 -  
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor1] Heater control Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
92 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] Heater control Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
93 Purge Control Solenoid Valve (PCSV) control Purge Control Solenoid Valve (PCSV)
94 -  

ECM Terminal Input/Output Signal 



Pin No. Description Condition Type Level
1 ECM Ground (-) Idle DC Voltage -0.3 - 0.5V
2 Battery power (B+) IG OFF DC Voltage Max. 1.0V
IG ON Battery Voltage (B+)
3 ECM Ground (-) Idle DC Voltage -0.3 - 0.5V
4 Battery power (B+) IG OFF DC Voltage Max. 1.0V
IG ON Battery Voltage (B+)
5 ECM Ground (-) Idle DC Voltage -0.3 - 0.5V
6 Battery power (B+) IG OFF DC Voltage Max. 1.0V
IG ON Battery Voltage (B+)
7 Fuel Pressure Control Valve (FPCV)[High] control Engine Run PWM
G12696089Courtesy of KIA MOTORS AMERICA, INC.
8 -      
9 -      
10 Engine Coolant Sensor (ECTS) signal input [EGR cooler tube] Idle Analog 0.5 - 4.5V
(Idle: 1.02V)
11 Sensor ground Idle DC Voltage Max. 50 mV
12 Vehicle signal input      
13 -      
14 -      
15 Accelerator Position Sensor (APS) 2 signal input C.T Analog Max. 1.0V
W.O.T 1.5 - 3.0V
16 Sensor power (+5V) IG OFF DC Voltage Max. 50 mV
IG ON 4.9 - 5.1V
17 Sensor power (+5V) IG OFF DC Voltage Max. 50 mV
IG ON 4.9 - 5.1V
18 Sensor power (+5V) IG OFF DC Voltage Max. 50 mV
IG ON 4.9 - 5.1V
19 Accelerator Position Sensor (APS) 1 signal input C.T Analog Max. 1.0V
W.O.T Min. 4.0V
20 Sensor power (+5V) IG OFF DC Voltage Max. 50 mV
IG ON 4.9 - 5.1V
21 -      
22 -      
23 -      
24 Fuel pump relay control Relay OFF DC Voltage Battery Voltage (B+)
Relay ON -0.3 - 1.2V
25 -      
26 -      
27 -      
28 -      
29 Fuel Pressure Control Valve [Low] control Engine Run PWM
G12696090Courtesy of KIA MOTORS AMERICA, INC.
30 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.348 - 4.63 V
31 -      
32 Crankshaft Position Sensor Sensor (CKPS) signal input Engine Run Pulse High: 4.5 - 5.5V
Low: - 0.3 - 0.5V
Frequency: 850Hz (Idle), 3, 000Hz (3, 000 rpm)
33 -      
34 -      
35 -      
36 -      
37 Sensor ground (-) Idle DC Voltage Max. 50 mV
38 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.8 - 1.6V (Idle: 1.37V)
39 Intake Temperature Sensor (IATS) signal input Idle Analog 0 - 5.0V (Idle: 2.55V)
40 Sensor ground (-) Idle DC Voltage Max. 50 mV
41 Sensor ground (-) Idle DC Voltage Max. 50 mV
42 -      
43 -      
44 Mass Air Flow Sensor (MAFS) signal input      
45 Sensor ground Idle DC Voltage Max. 50 mV
46 Main Relay control Relay OFF DC Voltage Battery Voltage (B+)
Relay ON -0.3 - 1.2V
47 Variable Force Solenoid (VFS) [Bank 1/Intake] control      
48 -      
49 -      
50 -      
51 Battery power (B+) IG OFF DC Voltage Max. 1.0V
IG ON Battery Voltage (B+)
52 -      
53 -      
54 Sensor ground (-) Idle DC Voltage Max. 50 mV
55 P-CAN [High] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
56 H-CAN [High] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
57 -      
58 Immobilizer communication line      
59 -      
60 Engine Coolant Sensor (ECTS) signal input [Water Temperature Control Assembly]      
61 Sensor ground Idle DC Voltage Max. 50 mV
62        
63 -      
64 Ignition Coil (Cylinder #2) control Engine Run Pulse Vpeak = 360 - 440V
125
65 Ignition Coil (Cylinder #3) control Engine Run Pulse Vpeak = 360 - 440V
125
66 -      
67 -      
68 Cooling fan relay control      
69 -      
70 CVVT Oil Control Valve (OCV) (OCV) [Bank 1/Exhaust] control Idle Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 300Hz
71 -      
72 -      
73 Battery power (B+) IG OFF DC Voltage Max. 1.0V
IG ON Battery Voltage (B+)
74 -      
75 Sensor ground (-) Idle DC Voltage Max. 50 mV
76 Local Interconnect Network (LIN) Serial Bus Line      
77 P-CAN [Low] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
78 H-CAN [Low] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
79 -      
80 -      
81 -      
82 -      
83        
84 Sensor ground (-) Idle DC Voltage Max. 50 mV
85 -      
86 Ignition Coil (Cylinder #4) control Engine Run Pulse Vpeak = 360 - 440V
125
87 Ignition Coil (Cylinder #1) control Engine Run Pulse Vpeak = 360 - 440V
125
88 -      
89 -      
90 -      
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor1] Heater control Engine Run Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
92 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] Heater control Engine Run Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
93 Purge Control Solenoid Valve (PCSV) control Inactive Active Pulse High: Battery Voltage (B+)
Low: Max. 1.0V
Vpeak: 42.0 - 60.0V
Frequency: 20Hz
94 -