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Home >> Hyundai >> 2017 >> Elantra Eco >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.4L >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output signal >> ECM Terminal Input/Output Signal >> Connector [C300-A]
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Connector [C300-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 Electric Waste Gate Actuator (EWGA) DC Motor output (+)      
5 Injector (Cylinder #3) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
6 -      
7 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.270 - 4.77V
8 -      
9 Boost Pressure Sensor (BPS) signal input      
10 -      
11 -      
12 Electric Waste Gate Actuator (EWGA) Feed beck signal      
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 Brake Booster Vacuum Pressure Sensor signal input      
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 Electric Waste Gate Actuator (EWGA) DC Motor output (-)      
20 Injector (Cylinder #2) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
21 Wiper switch signal input ON DC voltage Battery voltage
OFF Max. 2V
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 Idle Pulse High: Min. 5.4V
Low: Max. 2.25V
27 Start signal input ON DC voltage Battery voltage
OFF Max. 2V
28 Brake Test switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
29 Brake Light switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
30 -      
31 Injector (Cylinder #2) [High] control output Relay OFF DC voltage 71V
Relay ON
32 Injector (Cylinder #3) [High] control output Relay OFF DC voltage 71V
Relay ON
33 -      
34 Injector (Cylinder #1) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
35 Fuel Pressure Control Valve (FPCV) [High] control output Relay OFF DC voltage 16V
Relay ON
36 Sensor ground Idle DC voltage Max. 50mV
37 Sensor ground Idle DC voltage Max. 50mV
38 Alternator PWM signal output 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 ISG OFF switch signal input      
45 Electric load signal input [Defrost] ON DC voltage Battery voltage
OFF Max. 2.25V
46 Injector (Cylinder #4) [High] control output Relay OFF DC voltage 71V
Relay ON
47 Injector (Cylinder #1) [High] control output Relay OFF DC voltage 71V
Relay ON
48 ETC motor [-] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
49 Injector (Cylinder #4) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
50 Fuel Pressure Control Valve (FPCV) [Low] control output Relay OFF DC voltage 16V
Relay ON Max. 1.0V
51 -      
52 -      
53 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp_p: Min. 1.0V
54 Crankshaft Position Sensor (CKPS) [B] signal input Idle Pulse Vp_p: Min. 1.0V
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 voltage Max. 50mV
58 -      
59 -      
60 -