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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 Function >> Connector [C300-K]
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Connector [C300-K]

Pin No. Description Connected to
1 ECM ground Chassis Ground
2 ECM ground Chassis Ground
3 ECM ground Chassis Ground
4 Battery power (B+) Battery
5 Battery power (B+) Battery
6 Battery power (B+) Main Relay
7 Battery power (B+) Main Relay
8 Sensor ground Accelerator Position Sensor (APS) #1
9 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
10 Sensor ground Boost Pressure Sensor (BPS)
11 Ignition Coil Feedback Main Relay
12 Sensor ground Electric Waste Gate Actuator (EWGA)
13 -  
14 - -
15 -  
16 Sensor ground Engine Coolant Temperature Sensor (ECTS)
17 -  
18 -  
19 -  
20 -  
21 -  
22 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output CVVT Oil Control Valve (OCV) [Bank 1/Intake]
23 -  
24 Cooling fan PWM control output Cooling Fan Relay
25 -  
26 -  
27 Canister Close Valve (CCV) control output (W/O Immobilizer/Smart key) Canister Close Valve (CCV)
Fuel pump relay control output (With Immobilizer/Smart key) Fuel Pump Relay
28 -  
29 Ignition switch signal input Ignition switch
30 Sensor ground Accelerator Position Sensor (APS) #2
31 Sensor ground Fuel Tank Pressure Sensor (FTPS)
32 - -
33 -  
34 -  
35 Sensor ground Brake Booster Vacuum Pressure Sensor (BBPVS)
36 Sensor ground Rail Pressure Sensor (RPS)
37 Sensor ground A/C Pressure Transducer (APT)
38 -  
39 Alternator COM signal output Alternator
40 -  
41 Start relay (Low) control output Start Relay
42 -  
43 Sensor power (+5V) Accelerator Position Sensor (APS) #2
44 Sensor power (+5V) Camshaft Position Sensor (CMPS)
45 -  
46 Auto Stop Lamp output ISG OFF switch
47 -  
48 -  
49 -  
50 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
51 Main relay control output Main Relay
52 Sensor ground Throttle position sensor (TPS) #1, 2 [ETC module]
53 Blower Switch MAX. signal input Heater & A/C Control module
54 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
55 -  
56 Intake Temperature Sensor (IATS) signal input Intake Temperature Sensor (IATS)
57 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
58 Sensor ground Knock Sensor (KS)
59 VS+ (NERNST Cell Voltage) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
60 Rc (Compensative Resistance) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
61 LIN communication signal input Battery Sensor
62 CCP-CAN [Low] Other control module, Data Link Connector (DLC)
63 CAN [Low] Other control module, Data Link Connector (DLC)
64 -  
65 Sensor power (+5V) Brake Booster Vacuum Pressure Sensor (BBPVS)
66 Sensor power (+5V) Accelerator Position Sensor (APS) #1
67 Start relay (High) control output Start Relay
68 RCV control solenoid valve control output RCV control solenoid valve
69 -  
70 -  
71 Canister Close Valve (CCV) control output (With Immobilizer/Smart key) Canister Close Valve (CCV)
Fuel pump relay control output (W/O Immobilizer/Smart key) Fuel Pump Relay
72 -  
73 Fuel Tank Pressure Sensor (FTPS) signal input Fuel Tank Pressure Sensor (FTPS)
74 Throttle Position Sensor (TPS) 2 signal input Throttle position sensor (TPS) #1, 2 [ETC module]
75 -  
76 Fuel Level Sensor (FLS) signal input Fuel Level Sensor (FLS)
77 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) #2
78 Rail Pressure Sensor (RPS) signal input Rail Pressure Sensor (RPS)
79 Knock Sensor (KS) signal input Knock Sensor (KS)
80 VS-/IP- (Common Ground for VS, IP) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
81 Rc/Rp (Pump Cell Voltage) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
82 Engine speed signal output Power Distribution Module (PDM)
83 Immobilizer communication line Immobilizer control module
84 CCP-CAN [High] Other control module, Data Link Connector (DLC)
85 CAN [High] Other control module, Data Link Connector (DLC)
86 Sensor power (+5V) Fuel Tank Pressure Sensor (FTPS)
Manifold Absolute Pressure Sensor (MAPS)
Electric Waste Gate Actuator (EWGA)
87 Sensor power (+5V) Rail Pressure Sensor (RPS)
A/C Pressure Transducer (APT)
Boost Pressure Sensor (BPS)
88 Sensor power (+5V) Throttle position sensor (TPS) #1, 2 [ETC module]
89 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
90 -  
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
92 -  
93 -  
94 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)