LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2014 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Input/Output Signal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM Terminal Input/Output Signal

CONNECTOR [ELG-A] DESCRIPTION

Pin No. Description Condition Type Level
1 -      
2 -      
3 -      
4 Immobilizer Lamp control output Lamp OFF DC Battery Voltage
Lamp ON Max. 1.1V
5 Power ground Idle DC Max. 0.1V
6 Power ground Idle DC Max. 0.1V
7 -      
8 -      
9 2nd CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
10 CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
11 Fuel Tank Pressure Sensor (FTPS) signal input Idle Analog 0.4 ~ 4.6V
12 Electrical Load signal input Head Lamp OFF DC Battery Voltage
Head Lamp ON Max. 1.0V
13 -      
14 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.9 ~ 5.1V
15 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.9 ~ 5.1V
16 Fuel Level Sensor (FLS) [TOTAL] signal input IG ON Analog 0.88 ~ 8.45V
17 -      
18 -      
19 -      
20 A/C Compressor relay signal output A/C OFF DC Max. 1.0V
A/C ON Battery Voltage
21 Brake Switch 2 signal input Brake OFF DC Battery Voltage
Brake ON Max. 0.5V
22 -      
23 -      
24 Alternator (FR) Idle PWM High: Battery Voltage
Low: Max. 2.0V
133
5
25 -      
26 -      
27 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
28 Rail Pressure Sensor (RPS) signal input Idle DC 1.0 ~ 2.0V
29 -      
30 Power ground Idle DC Max. 0.1V
31 -      
32 -      
33 -      
34 2nd CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 0.5 ~ 2.25V
35 CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 0.5 ~ 2.25V
36 -      
37 Sensor ground Idle DC Max. 0.1V
38 Accelerator Position Sensor (APS) 1 signal input C.T Analog 0.7 ~ 0.8V
W.O.T 3.85 ~ 4.35V
39 -      
40 -      
41 Fuel Level Sensor (FLS) [MIDDLE] signal input IG ON Analog 0.88 ~ 8.45V
42 A/C Switch "ON" signal input A/C OFF DC Max. 1.0V
A/C ON Battery Voltage
43 Brake Switch 1 signal input Brake OFF DC Max. 0.5V
Brake ON Battery Voltage
44 -      
45 -      
46 -      
47 -      
48 -      
49 -      
50 -      
51 -      
52 Battery power (B+) Always (Without Ignition key) DC Battery Voltage
53 -      
54 -      
55 Power ground Idle DC Max. 0.1V
56 -      
57 Fuel Pump Relay control output [Without Immobilizer] Relay OFF DC Battery Voltage
A/C Compressor Clutch Relay control output [With Immobilizer] Relay ON Max 1.1V
58 -      
59 Sensor ground Idle DC Max. 0.1V
60 Sensor ground Idle DC Max. 0.1V
61 Sensor ground Idle DC Max. 0.1V
62 Ground Idle DC Max. 0.1V
63 Sensor ground Idle DC Max. 0.1V
64 -      
65 Sensor Power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
66 Cruise Control Switch signal input "MAIN" Analog 11.1 ~ 12.1V
"SET" 1.0 ~ 1.8V
"CANCEL" -0.5 ~ 0.5V
"RESUME" 2.5 ~ 3.5V
67 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.5 ~ 4.5V
68 Accelerator Position Sensor (APS) 2 signal input C.T Analog 0.29 ~ 0.46V
W.O.T 1.93 ~ 2.18V
69 -      
70 Engine speed signal output Engine Running Pulse High: Battery Voltage
Low: Max. 1.1V
0
47.5
71 Cooling Fan Relay [High] control output A/C ON Pulse High: Battery Voltage
Low: Max. 1.1V
72 Alternator (COM) IG ON PWM High: Min. 4.0V
Low: Max. 2.0V
Frequency = 125Hz
73 -      
74 Immobilizer communication line Transmitting DC High: Min. Vbatt X 80%
Low: Max. Vbatt X 20%
Receiving High: Min. Vbatt X 70%
Low: Max. Vbatt X 30%
75 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
76 -      
77 Battery power (B+) Always (Without Ignition key) DC Battery Voltage
78 -      
79 -      
80 Power ground Idle DC Max. 0.1V
81 -      
82 -      
83 -      
84 -      
85 -      
86 -      
87 LIN (Local Interconnect Network) Serial Bus Line Transmitting DC High: Min. Vbatt X 80%
Low: Max. Vbatt X 20%
Receiving High: Min. Vbatt X 70%
Low: Max. Vbatt X 30%
88 -      
89 -      
90 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
91 Cooling Fan Relay [Low] control output A/C ON Pulse High: Battery Voltage
Low: Max. 1.1V
92 -      
93 Starter Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.1V
94 Main Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.7V
95 Fuel Pump Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.1V
96 Canister Close Valve (CCV) control output Active Pulse High: Battery Voltage
Inactive Low: Max. 1.0V
  Vpeak: Max. 70V
97 -      
98 -      
99 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
100 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
CONNECTOR [CLG-B] DESCRIPTION

Pin No. Description Condition Type Level
1 -      
2 Variable Charge Motion Actuator (VCMA) PWM output Engine Running PWM High: Battery Voltage
Low: 1.1V
3 -      
4 -      
5 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
6 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
7 Throttle Position Sensor PWM signal output      
8 Crank request signal output S/W OFF DC Max. 1.0V
S/W ON Battery Voltage
9 Barometric Pressure Sensor (BPS) signal input IG ON Analog Approx. 4.0V
10 CVVT Oil Temperature Sensor (OTS) signal input IG ON Analog 3.2V at -40°C(-40°F)
0.1V at 150°C (302°F)
11 A/C Blower "MAX" signal input IG ON DC High: Battery Voltage
Low: 0V
12 Throttle Position Sensor (TPS) 1 signal input C.T Analog 0.25 ~ 0.9V
W.O.T Min. 4.0V
13 Manifold Absolute Pressure Sensor (MAPS) signal input IG ON Analog Approx. 4.44V
Idle Approx. 0.75V
14 Intake Air Temperature Sensor (IATS) signal input IG ON Analog 3.2V at -40°C(-40°F)
0.05V at 125°C (257°F)
15 Vehicle speed signal input Vehicle Running Pulse High: Battery Voltage
Low: Max. 0.5V
0.7 (1kph)
44
16 Knock Sensor (KS) [Bank 2] [High] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
17 Knock Sensor (KS) [Bank 1] [High] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
18 Crankshaft Position Sensor (CKPS) [High] signal input Idle SINE 0.4
Wave 55
19 Sensor ground Idle DC Max. 0.1V
20 -      
21 Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
22 -      
23 -      
24 Ignition Coil (Cylinder #1) control output Engine Running Pulse Vpeak = 400V
0
25 -      
26 -      
27 -      
28 -      
29 -      
30 -      
31 Sensor ground Idle DC Max. 0.1V
32 Sensor ground Idle DC Max. 0.1V
33 Sensor ground Idle DC Max. 0.1V
34 Throttle Position Sensor (TPS) 2 signal input C.T Analog Min. 4.0V
W.O.T 0.25 ~ 0.9V
35 Engine Coolant Temperature Sensor (ECTS) signal input IG ON Analog 3.22V at -40°C(-40°F)
0.29V at 125°C (257°F)
36 -      
37 -      
38 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
39 Sensor ground Idle DC Max. 0.1V
40 Sensor Shield Idle DC Max. 0.1V
41 Knock Sensor (KS) [Bank 2] [Low] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
42 Knock Sensor (KS) [Bank 1] [Low] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
43 Crankshaft Position Sensor (CKPS) [Low] signal input Idle SINE 0.4
Wave 55
44 Sensor ground Idle DC Max. 0.1V
45 -      
46 Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
47 -      
48 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
49 Ignition Coil (Cylinder #3) control output Engine Running Pulse Vpeak = 400V
0
50 -      
51 -      
52 -      
53 -      
54 -      
55 -      
56 Sensor ground Idle DC Max. 0.1V
57 -      
58 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
59 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
60 Sensor ground Idle DC Max. 0.1V
61 -      
62 -      
63 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
64 Sensor ground Idle DC Max. 0.1V
65 Variable Intake Solenoid (VIS) Valve 1 control output Engine Running PWM High: Battery Voltage
Low: Max. 1.1V
66 Purge Control Solenoid Valve (PCSV) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
67 -      
68 -      
69 Variable Intake Solenoid (VIS) Valve 2 control output Engine Running PWM High: Battery Voltage
Low: Max. 1.1V
70 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
71 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
72 -      
73 Sensor Power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
74 Ignition Coil (Cylinder #5) control output Engine Running Pulse Vpeak = 400V
0
75 -      
76 -      
77 -      
78 -      
79 -      
80 ETC Motor [+] control output Engine Running PWM High: Battery Voltage
Low: Max.1.0V
1, 500
0
81 ETC Motor [-] control output Engine Running PWM High: Battery Voltage
Low: Max.1.0V
1, 500
0
82 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
83 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
84 Fuel Pressure Control Valve (FPCV) control output      
85 Injector (Cylinder #2) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
86 Injector (Cylinder #5) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
87 Injector (Cylinder #3) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
88 Injector (Cylinder #6) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
89 Injector (Cylinder #4) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
90 Injector (Cylinder #1) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
92 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
93 CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
94 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
95 CVVT Oil Control Valve (OCV) [Bank 2/Intake] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
96 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
97 Ignition Coil (Cylinder #2) control output Engine Running Pulse Vpeak = 400V
0
98 Ignition Coil (Cylinder #6) control output Engine Running Pulse Vpeak = 400V
0
99 Ignition Coil (Cylinder #4) control output Engine Running Pulse Vpeak = 400V
0
100 -