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Home >> Kia >> 2019 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> Connector [K]
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Connector [K]

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
G12998164Courtesy 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
G12998165Courtesy of KIA MOTORS AMERICA, INC.
30 A/C Pressure Transducer (APT) signal input A/CON Analog 0.348 - 4.63 V
31 -      
32 Crankshaft Position 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
Relay OFF Battery Voltage (B+)
46 Main Relay control Relay ON DC Voltage -0.3 - 1.2V
47 Variable Force Solenoid (VFS) [Bank 1/Intake] control      
48 Canister Close Valve (CCV) control output Active Inactive Pulse High: Battery voltage
Low: Max. 1.0V
Vpeak: 42.0 ~ 60.0V
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 Dominant Pulse 2.0 - 3.0V 2.75 - 4.5V
56 H-CAN [High] Recessive Dominant Pulse 2.0 - 3.0V 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) [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 Fuel Tank Pressure Sensor (FTPS) signal input Idle Analog -0.3 - 5.2V
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 -      
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