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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 [K]
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Connector [K]

Pin No Description Condition Type Level
1 ECM ground Idle DC voltage Max. 50 mV
2 ECM ground Idle DC voltage Max. 50 mV
3 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
4 ECM ground Idle DC voltage Max. 50 mV
5 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
6 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
7 Sensor ground Idle DC voltage Max. 50 mV
8 Sensor ground Idle DC voltage Max. 50 mV
9 -      
10 Sensor ground Idle DC voltage Max. 50 mV
11 -      
12 -      
13 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
14 -      
15 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
16 Alternator COM signal output Idle Pulse High: Battery voltage
Low: Max. 0.6V
17 -      
18 -      
19 -      
20 Cooling fan relay [Low] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
21 -      
22 ETC motor [-] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
23 ETC motor [+] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
24 -      
25 Sensor ground Idle DC voltage Max. 50 mV
26 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.6683 - 4.346V
27 Rail Pressure Sensor (RPS) signal input Idle Analog 0.43 - 3.46V
Canister Close Valve (CCV) control output (Without Immobilizer)      
28 Intake Temperature Sensor (IATS) signal input Idle Analog 0.209 - 4.756V
29 Electric load signal input [Defrost] ON DC voltage Battery voltage
OFF Max. 2.25V
30 -      
31 -      
32 -      
33 -      
34 -      
35 -      
36 Cooling fan relay [High] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
37 Fuel pump relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
38 -      
39 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
40 Ignition coil (Cylinder #2) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
41 -      
42 Sensor ground Idle DC voltage Max. 50 mV
43 -      
44 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.348 - 4.63 V
45 -      
46 Brake Light switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
47 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
48 -      
49 Wiper switch signal input ON DC voltage Battery voltage
OFF Max. 2V
50 Main relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.7V
51 Fuel pump relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
52 -      
53 -      
54 -      
55 -      
56 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
57 Ignition coil (Cylinder #1) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
58 -      
59 CCP-CAN [High] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 2.75 - 4.5V
60 CAN [High] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 2.75 - 4.5V
61 Immobilizer communication line When transmitting Pulse High: Min. 8.4V(at 14V)
Low: Max. 6.44V (at 14V)
62 -      
63 Engine RPM signal      
64 Vehicle speed signal input Idle Pulse High: Min. 5.4V
Low: Max. 2.25V
65 -      
66 Sensor ground (-) (-) Idle DC voltage Max. 50 mV
67 Start signal input ON DC voltage Battery voltage
OFF Max. 2V
68 Ignition switch signal input IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
69 -      
70 -      
   
71 Start relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 2.64V
72 -      
73 -      
74 Ignition coil (Cylinder #4) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
75 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
76 CCP-CAN [Low] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 0.5 - 2.25V
77 CAN [Low] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 0.5 - 2.25V
78 Sensor ground Idle DC voltage Max. 50 mV
79 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp_p: Min. 1.0V
80 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
81 -      
82 -      
83 -      
84 -      
85 Variable Intake Solenoid (VIS) valve control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
86 -      
87 -      
88 -      
89 -      
90 -      
91 Ignition coil (Cylinder #3) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
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