LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2017 >> Veloster Turbo R-Spec >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L T-GDI >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal [M/T] >> ECM Terminal Input/Output Signal (M/T)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM Terminal Input/Output Signal (M/T)

CONNECTOR PIN DESCRIPTION (EGGM-AG)

Pin No Description Condition Type Type
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
Relay ON
DC voltage 71V
Max. 1.0V
4 -      
5 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Relay OFF
Relay ON
DC voltage Battery voltage
Max. 1.65V
6 -      
7 -      
8 -      
9 -      
10 -      
11 -      
12 -      
13 -      
14 -      
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
Relay ON
DC voltage 71V
Max. 1.0V
19 -      
20 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output Relay OFF
Relay ON
DC voltage Battery voltage
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 Idle Analog 0.3343 ~ 0.4667V
27 Canister Close Valve (CCV) control output (Smart key type) Active Inactive DC voltage Battery voltage
Max. 1.76V
Fuel pump relay control output (NON-Smart key type) 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. signal 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      
59 Cooling fan relay [PWM] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
60 -      
   
CONNECTOR PIN DESCRIPTION (EGGM-K)

Pin No. Description Condition Type Type
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
IG ON
DC voltage Max. 1.0V
Battery voltage
5 Battery power (B+) IG OFF
IG ON
DC voltage Max. 1.0V
Battery voltage
6 Battery power (B+) IG OFF
IG ON
DC voltage Max. 1.0V
Battery voltage
7 Battery power (B+) IG OFF
IG ON
DC voltage Max. 1.0V
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
IG ON
DC voltage Max. 0.5V
4.9 ~ 5.1V
19 -      
20 Sensor power (+5V) IG OFF
IG ON
DC voltage Max. 0.5V
4.9 ~ 5.1V
21 -      
22 Wiper switch signal input      
23 -      
24 Alternator PWM signal output [FR] Idle Pulse High: Battery voltage
Low: Max. 1.5V
25 -      
26 -      
27 -      
28 -      
29 Ignition switch signal input IG OFF
IG ON
DC voltage Max. 1.0V
Battery voltage
30 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Engine Running Analog Rich: 0.6 ~ 1.0V
Lean: Max. 0.4V
31 Accelerator Position Sensor (APS) 2 signal input Idle Analog 0.261 ~ 2.204 V
32 Sensor ground Idle DC voltage Max. 50 mV
33 Sensor ground Idle DC voltage Max. 50 mV
34 -      
35 Sensor ground Idle DC voltage Max. 50 mV
36 Throttle Position Sensor (TPS) 2 signal input Idle Analog 0.55 ~ 4.37 V
37 Ambient Temperature Sensor (ATS) signal input      
38        
39 Sensor power (+5V) IG OFF
IG ON
DC voltage Max. 0.5V
4.9 ~ 5.1V
40 Sensor power (+5V) IG OFF
IG ON
DC voltage Max. 0.5V
4.9 ~ 5.1V
41 Sensor power (+5V) IG OFF
IG ON
DC voltage Max. 0.5V
4.9 ~ 5.1V
42 Sensor power (+5V) IG OFF
IG ON
DC voltage Max. 0.5V
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 ~ 4.63 V
46 Vehicle speed signal input Idle Pulse High: Min. 5.4V
Low: Max. 2.25V
47 -      
48 -      
49 -      
50 -      
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 Sensor ground Idle DC voltage Max. 50 mV
56 -      
57 Boost Pressure Sensor (BPS) signal input      
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      
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 RCV control solenoid valve control output      
71 -      
72 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
73 -      
74 VS+ (NEAREST 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 -      
89 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp_p: Min. 1.0V
90 Canister Close Valve (CCV) control output (NON-Smart key type) Active DC voltage Battery voltage
Inactive Max. 1.76V
Fuel pump relay control output (Smart key type) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
91 -      
92 Waste Gate Solenoid Valve (WGV) control output      
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