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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 Input/Output Signal >> Connector [C300-B]
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Connector [C300-B]

Pin No Description Condition Type Level
1 Power ground Idle DD Max. 50 mV
2 Power ground Idle DC Max. 50 mV
3 Battery power (B+) IG OFF DC Max. 0.5V
IG ON Battery Voltage
4 Power ground Idle DC Max. 50 mV
5 Battery power (B+) IG OFF DC Max. 0.5V
IG ON Battery Voltage
6 Battery power (B+) IG OFF DC Max. 0.5V
IG ON Battery Voltage
7 - - - -
8 FLEX-RAY (High) - - -
9 - - - -
10 Accelerator Position Sensor (APS) 2 signal input Idle Analog Min. 0.6V -Max. 4.3V
11 A/C Pressure Transducer (APT) signal input - - -
12 - - - -
13 - - - -
14 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON Min. 4.75V - Max. 5.25V
15 - - - -
16 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON Min. 4.75V - Max. 5.25V
17 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON Min. 4.75V - Max. 5.25V
18 Main Relay control output Relay OFF DC Battery Voltage
Relay ON - Min. -.03V -Max. 1.2V
19 Fuel Pump Relay control output Relay OFF DC Battery Voltage
Relay ON - Min. -.03V -Max. 1.2V
20 - - - -
21 - - - -
22 Injector (Cylinder #2) control output Idle DC High: Battery voltage
Low: Max. 0.5V
48 - 50V
23 Injector (Cylinder #3) control output Idle DC High: Battery voltage
Low: Max. 0.5V
48 - 50V
24 - - - -
25 FLEX-RAY (Low) - - -
26 Electrical signal input [Blower Max. Switch] - - -
27 Accelerator Position Sensor (APS) 1 signal input Idle Analog Min. 0.6V -Max. 4.3V
28 Sensor ground Idle DC Max. 50 mV
29 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Idle Analog Min. 0.6V - Max. 1.0V
DC
30 Fuel Tank Pressure Sensor signal input - - -
31 - - - -
32 - - - -
33 - - - -
34 Start Motor control switch Switch ON Digital Battery voltage
Switch OFF Min. -0.3V - Max. 0.5V
35 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output Idle PWM Operating freq. range: 300 Hz
Duty rate: 0% - 100%
36 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #1 control output Idle PWM Operating freq. range: 300 Hz
Duty rate: 0% - 100%
37 - - - -
38 A/C Relay control output Relay OFF DC Battery Voltage
Relay ON - Min. -.03V -Max. 1.2V
39 Injector (Cylinder #4) control output Idle DC High: Battery voltage
Low: Max. 0.5V
48 - 50V
40 Ignition Coil (Cylinder #2) control output Idle Pulse Turn on: Max. 1.6V
Ignition Coil (Cylinder #3) control output Turn off: Battery voltage
41 Battery power (B+) IG OFF DC Max. 0.5V
IG ON Battery Voltage
42 - - - -
43 - - - -
44 - - - -
45 Sensor ground Idle DC Max. 50 mV
46 Sensor ground Idle DC Max. 50 mV
47 Sensor ground Idle DC Max. 50 mV
48 - - - -
49 - - - -
50 Sensor ground Idle DC Max. 50 mV
51 - - - -
52 - - - -
53 - - - -
54 Canister Close Valve (CCV) control output - - -
55 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #2 control output - - -
56 Injector (Cylinder #1) control output Idle DC High: Battery voltage
Low: Max. 0.5V
48-50V
57 Ignition Coil (Cylinder #1) control output Idle Pulse Turn on: Max. 1.6V
Ignition Coil (Cylinder #4) control output Turn off: Battery voltage
58 - - - -
59 - - - -
60 C-CAN [Low] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 0 - 0.5V
61 Fuel Tank Level Sensor signal input - - -
62 - - - -
63 - - - -
64 - - - -
65 Brake Light Switch signal input Swich ON Digital Battery voltage
Switch OFF Min. -0.3V -Max. 0.5V
66 Start signal input - - -
67 Engine speed signal output Idle Frequency Around 26 Hz at 850 RPM, idle
Around 16 Hz at 3000 RPM
68 Immobilizer communication line When Pulse High: Min. 8.5V
communicating
after IG ON
- Low: Max. 3.5V
69 - - - -
70 - - - -
71 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC Battery voltage
Relay ON Max. 1.76V
72 Electronic Thermo Sensor signal input - - -
73 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Relay OFF DC Battery voltage
Relay ON Max. 0.5V
74 Ignition Coil (Cylinder #2) control output Idle Pulse Turn on: Max. 1.6V
Ignition Coil (Cylinder #3) control output Turn off: Battery voltage
75 - - - -
76 - - - -
77 C-CAN [High] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 2.75 - 4.5V
78 - - - -
79 Vehicle speed signal input Idle Frequency Duty rate 40% - 60%
80 Electrical load signal input [Wiper] - - -
81 - - - -
82 - - - -
83 Brake Test Switch signal input Swich ON Digital Battery voltage
Switch OFF Min. -0.3V -Max. 0.5V
84 - - - -
85 LIN communication - - -
86 Cooling Fan Relay [Low] control output IG OFF PWM Battery voltage
IG ON Min. -0.3V -Max. 1.2V
87 Cooling Fan Relay [High] control output IG OFF DC Battery voltage
IG ON Min. -0.3V -Max. 1.2V
88 Variable Intake Solenoid (VIS) Valve control output - - -
89 - - - -
90 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Relay OFF DC Battery voltage
Relay ON Max. 0.5V
91 Ignition Coil (Cylinder #1) control output Idle Pulse Turn on: Max. 1.6V
Ignition Coil (Cylinder #4) control output Turn off: Battery voltage
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