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Home >> Hyundai >> 2018 >> Elantra GT Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal Input/Output Signal [A/T] >> Connector [A]
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Connector [A]

Pin No Description Condition Type Level
1 Injector (Cylinder #1) [High] control output Relay ON/OFF DC voltage 71V
2 Injector (Cylinder #4) [High] control output Relay ON/OFF DC voltage 71V
3 Injector (Cylinder #2) [High] control output Relay ON/OFF DC voltage 71V
4 Injector (Cylinder #3) [High] control output Relay ON/OFF DC voltage 71V
5 -      
6 -      
7 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
8 -      
9 -      
10 Sensor power (+5V)      
11 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
12 Throttle Position Sensor (TPS) 1 signal input Idle Analog 0.33 - 4.72V
13 Sensor ground Idle DC voltage Max. 50 mV
14 -      
15 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
16 -      
17 -      
18 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
19 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
20 -      
21 -      
22 -      
23 -      
24 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
25 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
26 -      
27 -      
28 -      
29 -      
30 -      
31 -      
32 Sensor ground Idle DC voltage Max. 50 mV
33 -      
34 Throttle Position Sensor (TPS) 2 signal input Idle Analog 0.55 - 4.37V
35 -      
36 -      
37 -      
38 -      
39 -      
40 -      
41 Sensor ground Idle DC voltage Max. 50 mV
42 -      
43 -      
44 -      
45 -      
46 -      
47 -      
48 -      
49 Sensor ground      
50 -      
51 Alternator PWM signal output Idle Pulse High: Battery voltage
Low: Max. 1.5V
52 -      
53 Brake switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
54 Accelerator Position Sensor (APS) 1 signal input Idle Analog 0.674 - 4.379V
55 -      
56 Accelerator Position Sensor (APS) 2 signal input Idle Analog 0.261 - 2.204V
57 -      
58 -      
59 -      
60 Sensor ground Knocking Variable  
Normal Frequency  
61 Knock Sensor (KS) signal input Knocking Variable  
Normal Frequency  
62 Sensor ground Idle DC voltage Max. 50 mV
63 Sensor ground Idle DC voltage Max. 50 mV
64 Injector (Cylinder #1) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
65 Injector (Cylinder #4) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
66 Injector (Cylinder #2) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
67 Injector (Cylinder #3) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
68 -      
69 Battery sensor (V-In)      
70 Battery sensor signal      
71 -      
72 -      
73 -      
74 -      
75 -      
76 -      
77 Fuel Tank Pressure Sensor (FTPS) signal input Idle Analog 0.3343 - 0.4667V
78 Fuel Level signal input Idle Analog 0.193 - 4.0V
79 -      
80 -      
81 -      
82 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.270 - 4.77V
83 VS-/IP- (Common Ground for VS, IP) Idle DC voltage Max. 50 mV
84 VS+ (NERNST Cell Voltage) Idle Analog 0 - 5.1V
85 Fuel Pressure Control Valve (FPCV) [Low] control output Relay OFF DC voltage 16V
Relay ON Max. 1.0V
86 Fuel Pressure Control Valve (FPCV) [High] control output Relay ON/OFF DC voltage 16V
87 -      
88 -      
89 -      
90 -      
91 -      
92 -      
93 -      
94 -      
95 -      
96 -      
97 -      
98 -      
99 -      
100 -      
101 -      
102 -      
103 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Engine Analog Rich: 0.6 - 1.0V
Running Lean: Max. 0.4V
104 Rc/Rp (Pump Cell Voltage) Idle Analog 0 - 5.1V
105 Rc (Compensative Resistance) Idle Analog 0 - 5.1V
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