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Home >> Hyundai >> 2017 >> Veloster Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L GDI >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal Input/Output Signal
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ECM Terminal Input/Output Signal

CONNECTOR PIN DESCRIPTION (EGGM-A)

Pin No Description Condition Type Level
1 Injector (Cylinder #3) [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) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
4 -      
5 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
6 -      
7 -      
8 -      
9 -      
10 -      
11 -      
12 Immobilizer indication lamp control output      
13 -      
14 Cooling fan relay [High] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
15 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Idle Pulse High: Battery voltage
  Low: Max. 1.65V
16 Injector (Cylinder #2) [High] control output Relay ON/OFF DC voltage 71V
17 Injector (Cylinder #1) [High] control output Relay ON/OFF DC voltage 71V
18 Injector (Cylinder #3) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
19 -      
20 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
21 -      
22 -      
23 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.270 ~ 4.77V
24 Sensor ground Idle DC voltage Max. 50 mV
25 -      
26 Fuel Tank Pressure Sensor (FTPS) signal input Canister Close Valve (CCV) control output (With Immobilizer) Idle Analog 0.3343 ~ 0.4667V
Active DC voltage Battery voltage
Inactive Max. 1.76V
27 Fuel pump relay control output (Without Immobilizer) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
28 -      
29 A/C compressor relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.0V
30 -      
31 Ignition coil (Cylinder #3) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
32 Ignition coil (Cylinder #1) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
33 Injector (Cylinder #1) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
34 Fuel Pressure Control Valve (FPCV) [High] control output Relay ON/OFF DC voltage 16V
35 ETC motor [-] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
36 -      
37 Knock Sensor (KS) signal input Knocking Variable  
Normal Frequency  
38 Sensor ground Knocking Variable  
Normal Frequency  
39 Blower switch Max. siganl input      
40 Brake Light switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
41 -      
42 -      
43 -      
44 -      
45 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
46 Ignition coil (Cylinder #4) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
47 Ignition coil (Cylinder #2) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
48 Injector (Cylinder #4) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
49 Fuel Pressure Control Valve (FPCV) [Low] control output Relay OFF DC voltage 16V
Relay ON Max. 1.0V
50 ETC motor [+] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
51 -      
52 -      
53 Brake Test switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
54 -      
55 Clutch switch signal input      
56 Electric load signal input [Defrost] ON DC voltage Battery voltage
OFF Max. 2.25V
57 Alternator COM signal output Idle Pulse High: Battery voltage
Low: Max. 0.6V
58 Engine speed signal output Idle Pulse High: Battery voltage
Low: Max. 0.6V
59 Cooling fan relay [Low] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
60 Variable Intake Solenoid (VIS) valve control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
CONNECTOR PIN DESCRIPTION (EGGM-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 ECM ground Idle DC voltage Max. 50 mV
4 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
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 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
8 Sensor ground Idle DC voltage Max. 50 mV
9 Accelerator Position Sensor (APS) 1 signal input Idle Analog 0.674 ~ 4.379 V
10 Sensor ground Idle DC voltage Max. 50 mV
11 -      
12 Sensor ground Idle DC voltage Max. 50 mV
13 -      
14 Throttle Position Sensor (TPS) 1 signal input Idle Analog 0.33 ~ 4.72 V
15 -      
16 -      
17 Fuel Level signal input Idle Analog 0.193 ~ 4.0V
18 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
19 -      
20 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
21 -      
22 Wiper switch signal input ON DC voltage Battery voltage
OFF Max. 2V
23 -      
24 Alternator PWM signal output Idle Pulse High: Battery voltage
  Low: Max. 1.5V
25 -      
26 -      
27 Auto Stop Lamp output      
28 -      
29 Ignition switch signal input IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
30 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Engine Analog Rich: 0.6 ~ 1.0V
Running Lean: Max. 0.4V
31 Accelerator Position Sensor (APS) 2 signal input Idle Analog 0.261 ~ 2.204V
32 Sensor ground Idle DC voltage Max. 50 mV
33 -      
34 -      
35 Sensor ground Idle DC voltage Max. 50 mV
36 Throttle Position Sensor (TPS) 2 signal input Idle Analog 0.55 ~ 4.37V
37 -      
38        
39 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
40 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
41 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
42 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
43 A/C switch input      
44 A/C pressure switch      
45 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.348 ~ 4.63V
46 Vehicle speed signal input Idle Pulse High: Min. 5.4V
  Low: Max. 2.25V
47 Start relay (High) control output      
48 -      
49 -      
50 Malfunction Indicator Lamp (MIL) control output      
51 -      
52 VS-/IP- (Common Ground for VS, IP) Idle DC voltage Max. 50 mV
53 Rc/Rp (Pump Cell Voltage) Idle Analog 0 ~ 5.1V
54 -      
55 -      
56 -      
57 -      
58 Rail Pressure Sensor (RPS) signal input Idle Analog 0.43 ~ 3.46V
59 -      
60 Start signal input ON DC voltage Battery voltage
OFF Max. 2V
61 LIN communication signal input RECESSIVE Pulse max 5.6V (at 14V)
DOMINANT min 8.4V (at 14V)
62 -      
63 CAN [Low] RECESSIVE Pulse 2.0 ~ 3.0V
DOMINANT 0.5 ~ 2.25V
64 Sensor ground Idle DC voltage Max. 50 mV
65 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
66 -      
67 Crankshaft Position Sensor (CKPS) [B] signal input Idle Pulse Vp_p: Min. 1.0V
68 -      
69        
70 -      
71 -      
72 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
73 -      
74 VS+ (NERNST Cell Voltage) Idle Analog 0 ~ 5.1V
75 Rc (Compensative Resistance) Idle Analog 0 ~ 5.1V
76 Sensor ground Idle DC voltage -
77 Sensor ground Idle DC voltage Max. 50 mV
78 Sensor ground Idle DC voltage Max. 50 mV
79 Intake Temperature Sensor (IATS) signal input Idle Analog 0.209 ~ 4.756V
80 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.6683 ~ 4.346V
81 -      
82 -      
83 Immobilizer communication line When transmitting Pulse High: Min. 8.4V (at 14V)
Low: Max. 6.44V (at 14V)
84 -      
85 CAN [High] RECESSIVE Pulse 2.0 ~ 3.0V
DOMINANT 2.75 ~ 4.5V
86 Sensor ground Idle DC voltage Max. 50 mV
87 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
88 Head lamp switch input      
89 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp_p: Min. 1.0V
90 Canister Close Valve (CCV) control output (Without Immobilizer) Active DC voltage Battery voltage
Inactive Max. 1.76V
Fuel pump relay control output (With Immobilizer) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
91 -      
92 -      
93 Main relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.7V
94 Start relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 2.64V