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Home >> Hyundai >> 2021 >> Kona SE, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Function >> Connector [C300-B]
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Connector [C300-B]

Pin No Description Connected to
1 Power ground Chassis Ground
2 Power ground Chassis Ground
3 Battery power (B+) Main Relay
4 Power ground Chassis Ground
5 Battery power (B+) Main Relay
6 Battery power (B+) Main Relay
7 - -
8 FLEX-RAY (High) Other control module, Data Link Connector (DLC)
9 - -
10 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
11 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
12 - -
13 - -
14 Sensor power (+5V) A/C Pressure Transducer (APT)
Fuel Tank Pressure Sensor (FTPS)
15 -  
16 Sensor power (+5V) Accelerator Position Sensor (APS) 2
17 Sensor power (+5V) Accelerator Position Sensor (APS) 1
18 Main Relay control output Main Relay
19 Fuel Pump Relay control output Fuel Pump Relay
20 - -
21 - -
22 Injector (Cylinder #2) control output Injector (Cylinder #2)
23 Injector (Cylinder #3) control output Injector (Cylinder #3)
24 - -
25 FLEX-RAY (Low) Other control module, Data Link Connector (DLC)
26 Electrical signal input [Blower Max. Switch] Heater & A/C Control module
27 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
28 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
29 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
30 Fuel Tank Pressure Sensor signal input Fuel Tank Pressure Sensor (FTPS)
31 - -
32 - -
33 - -
34 Start Motor relay control output Start Motor relay
35 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
36 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #1 control output CVVT Oil Control Valve (OCV) [Bank 1/Intake] #1
37 - -
38 A/C Relay control output A/C Relay
39 Injector (Cylinder #4) control output Injector (Cylinder #3)
40 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2) [NON-Immobilizer type]
Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3) [Immobilizer type]
41 Battery power (B+) Ignition Switch
42 -- -
43 -- -
44 -- -
45 Sensor ground Accelerator Position Sensor (APS) 1
46 Sensor ground Accelerator Position Sensor (APS) 2
47 Sensor ground Fuel Tank Pressure Sensor (FTPS)
48 - -
49 - -
50 Sensor ground A/C Pressure Transducer (APT)
51 - -
52 - -
573 - -
54 Canister Close Valve (CCV) control output Canister Close Valve (CCV)
55 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #2 control output CVVT Oil Control Valve (OCV) [Bank 1/Intake] #2
56 Injector (Cylinder #1) control output Injector (Cylinder #1)
57 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1) [Immobilizer type]
Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4) [NON-Immobilizer type]
58 - -
59 - -
60 C-CAN [Low] Other control module, Data Link Connector (DLC)
61 Fuel Tank Level Sensor signal input Fuel Tank Level Sensor (FLS)
62 - -
63 - -
64 - -
65 Brake Light Switch signal input Brake Switch
66 Start signal input Ignition Switch
67 Engine speed signal output Power Distribution Module (PDM)
68 Immobilizer communication line Immobilizer control module
69 - -
70 - -
71 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)
72 Electronic Thermo Sensor signal input Electronic Thermo Sensor
73 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
74 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2) [NON-Immobilizer type]
Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3) [Immobilizer type]
76 - -
77 C-CAN [High] Other control module, Data Link Connector (DLC)
78 - -
79 Vehicle speed signal input ABS/ESC Control Unit
80 Electrical load signal input [Wiper] Wiper [High] Relay
81 - -
82 - -
83 Brake Test Switch signal input Brake Switch
84 - -
85 LIN communication Battery Sensor
86 Cooling Fan Relay [Low] control output Cooling Fan Relay [Low]
87 Cooling Fan Relay [High] control output Cooling Fan Relay [High]
88 Variable Intake Solenoid (VIS) Valve control output Variable Intake Solenoid (VIS) Valve
89 - -
90 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
91 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1) [NON-Immobilizer type]
Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4) [Immobilizer type]