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Home >> Hyundai >> 2014 >> Genesis Coupe 2.0T, Standard 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
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ECM Terminal Input/ Output signal

Connector [CHG-K] 

Pin No. Description Condition Type Level
1 Power ground Idle DC - 0.3 ~ 0.5V
2 Battery power (B+) IG OFF DC Max. 0.5V
IG ON Battery Voltage (8 ~ 16V)
3 Power ground Idle DC
4 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery Voltage (8 ~ 16V)
5 Power ground Idle DC - 0.3 ~ 0.5V
6 Battery power (B+) Always (Without Ignition key) DC Battery Voltage (8 ~ 16V)
7 -      
8 Fuel Level Sensor (FLS) [MIDDLE] signal input
9 Fuel Level Sensor (FLS) [TOTAL] signal input      
10 Boost Pressure Sensor (BPS) signal input Idle Analog - 0.3 ~ 5.2V
11 Sensor ground Idle DC - 0.3 ~ 0.5V
12 Knock Sensor (KS) signal input Knocking Variable 0.18 ~ 0.3V
Normal Frequency 0V
13 Sensor ground Idle DC - 0.3 ~ 0.5V
14 Sensor ground Idle DC - 0.3 ~ 0.5V
15 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse (Digital) HI: 4.5 ~ 5.5V
LO: - 0.3 ~ 0.5V
FREQ: 7Hz (850 RPM) 25Hz (300 RPM)
16 Sensor ground Idle DC - 0.3 ~ 0.5V
17 Crankshaft Position Sensor (CKPS) signal input Idle Pulse (Digital) HI: 4.5 ~ 5.5V
LO: - 0.3 ~ 0.5V
FREQ: 7Hz (850 RPM) 25Hz (300 RPM)
18 Rc/Rp (Pump Cell Voltage) signal input Idle Analog - 0.3 ~ 5.2V
19 VS+ (NERNST Cell Voltage) signal input Idle Analog - 0.3 ~ 5.2V
20 VS-/IP- (Common Ground for VS, IP) signal input Idle Analog - 0.3 ~ 5.2V
21 -      
22 Electric Waste Gate Actuator (EWGA) Feed beck signal Idle Analog - 0.3 ~ 5.2V
23 -      
24 Start Relay Control (Signal output) IG ON DC - 0.3V ~ 1.2V
IG OFF Battery voltage
IG ON/ OFF Voltage peak: 42 ~ 60V
25 Injector (Cylinder #1) control output [signal output] Idle Pulse HI: Battery Voltage
LO: Max. 1.0V
Voltage peak: Max. 55V
Frequency: 2kHz
Dwell Time: 2.0ms
26 Injector (Cylinder #3) control output [signal output] Idle Pulse HI: Battery Voltage
LO: Max. 1.0V
Voltage peak: Max. 55V
Frequency: 2kHz
Dwell Time: 2.0ms
27 Injector (Cylinder #4) control output [signal output] Idle Pulse HI: Battery Voltage
LO: Max. 1.0V
Voltage peak: Max. 55V
Frequency: 2kHz
Dwell Time: 2.0ms
28 Injector (Cylinder #2) control output [signal output] Idle Pulse HI: Battery Voltage
LO: Max. 1.0V
Voltage peak: Max. 55V
Frequency: 2kHz
Dwell Time: 2.0ms
29 -      
30 Sensor power (+5V) [signal output] IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
31 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog - 0.3 ~ 5.2V
32 Throttle Position Sensor (TPS) 2 signal input C.T Analog - 0.3 ~ 5.2V
W.O.T
33 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog - 0.3 ~ 5.2V
34 Sensor ground Idle DC - 0.3 ~ 0.5V
35 Accelerator Position Sensor (APS) 2 signal input C.T Analog - 0.3 ~ 5.2V
W.O.T
36 Sensor power (+5V) [signal output] IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
37 Sensor ground Idle DC - 0.3 ~ 5.2V
38 -      
39 Sensor ground Idle DC - 0.3 ~ 5.2V
40 Vehicle speed signal input Vehicle Run Frequency (Digital) HI: Min. 4.0 ~ 5.2V
LO: Max. - 0.3 ~ 1.0V
Frequency (Drive 60km/h)
- ABS ECU type: About 499Hz)
- Gear box type: About 43Hz)
Duty(-): 40 ~ 60%
41 -      
42 Rc (Compensative Resistance) signal input Idle Analog - 0.3 ~ 5.2V
43 Sensor power (+5V) [signal input] IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
44 -      
45 -      
46 -      
47 -      
48 RCV Control Solenoid Valve control (Signal output) IG ON DC - 0.3 ~ 1.2V
IG OFF Battery voltage
IG ON/OFF Voltage peak: 42 ~ 60V
49 -      
50 -      
51 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery power (B+)
52 Sensor ground      
53 Intake Air Temperature Sensor (IATS) signal input Idle Analog 0 ~ 5.0V
54 A/C Pressure Transducer (APT) signal input Idle Analog - 0.3 ~ 5.2V
55 -      
56 -      
57 Sensor ground Idle DC - 0.3 ~ 5.2V
58 CVVT Oil Temperature Sensor (OTS) signal input Idle Analog - 0.3 ~ 5.2V
59 Sensor ground Idle DC - 0.3 ~ 0.5V
60 Sensor power (+5V) [signal input] IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
61 Sensor ground Idle DC - 0.3 ~ 0.5V
62 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse (Digital) HI: 4.5 ~ 5.0V
LO: 0.3 ~ 0.5V
Frequency: 7Hz (850 RPM) 25Hz (300 RPM)
63 Sensor power (+5V) [signal input] IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
64 Main Relay control output [signal input] Relay OFF DC Battery Voltage
Relay ON - 0.3 ~ 1.2V
Relay ON/OFF Voltage peak: 4.2 ~ 6.0V
65 Cooling Fan Relay [Low] control output [signal input] A/C ON PWM HI: Battery Voltage
LO: 0 ~ 0.5V
66 CVVT Oil control (OCV) Valve [Bank 1/Intake] control output Idle PWM HI: Battery Voltage
LO: - 0.3 ~ 1.0V
Frequency: 300Hz
Duty(+): 0 ~ 100%
67 Purge control Solenoid Valve (PCSV) control output Inactive
Active		 PWM HI: Battery Voltage
LO: - Max. 1.0V
Voltage peak: 42 ~ 60V
Frequency: 20Hz
68 VVT Oil control (OCV) Valve [Bank 1/Exhaust] control output Idle PWM HI: Battery Voltage
LO: - 0.3 ~ 1.0V
Duty: 0 ~ 100%
Frequency: 300Hz
69 Immobilizer Lamp control output Lamp OFF DC HI: Battery Voltage
Lamp ON LO: Max. 2.0V
70 Fuel Pump Relay control output Relay OFF DC Battery Voltage
Relay ON - 0.3 ~ 1.2V
Relay ON/OFF Voltage peak: 42 ~ 60V
71 ETC Motor [+] control output [signal input] Idle PWM HI: Battery Voltage (OFF)
LO: - 0.3 ~ 1.0 (ON)
Frequency: 200Hz
Duty: 0 ~ 100%
72 ETC Motor [-] control output [signal input] Idle PWM HI: Battery Voltage (OFF)
LO: - 0.3 ~ 1.0 (ON)
Frequency: 200Hz
Duty: 0 ~ 100%
73 Fuel Tank Pressure Sensor (FTPS) signal input      
74 Sensor ground Idle DC - 0.3 ~ 0.5V
75 Immobilizer communication line During communicating Pulse HI: Min. 8.5V
LO: Max. 3.5V
76 -      
77 CAN [High] Recessive Pulse 2.0 ~ 3.0V (type: 2.5V)
Dominant 2.75~4.5V (type: 3.5V)
78 CAN [Low] Recessive Pulse 2.0 ~ 3.0V (type: 2.5V)
Dominant 2.75~4.5V (type: 3.5V)
79 Sensor ground Idle DC - 0.3 ~ 0.5V
80 Throttle Position Sensor (TPS) 1 signal input C.T Analog - 0.3 ~ 5.2V
W.O.T - 0.3 ~ 0.5V
81 -      
82 Accelerator Position Sensor (APS) 1 signal input C.T Analog - 0.3 ~ 5.2V
W.O.T
83 Sensor ground Idle DC - 0.3 ~ 5.2V
84 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Idle DC Rich: 0.6 ~ 1.0V
Lean: Max. 0.4V
85 Sensor ground Idle DC Max. 50 mV
86 Engine speed signal output Idle Pulse (Frequency) HI: Battery Voltage
LO: - 0.3 ~ 1.0V
Frequency: 26Hz (850 RPM) 106Hz (300 RPM)
Duty(+)
87 A//C Compressor Relay control output      
88 Cooling Fan Relay [High] control output Relay OFF DC HI: Battery Voltage
Relay ON LO: - 0.3 ~ 1.2V
89 -      
90 -      
91 Canister Close Valve (CCV) control output      
92 -      
93 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Engine Run PWM HI: Battery Voltage
LO: - 0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty(+): 0 ~ 100%
94 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Engine Run PWM HI: Battery Voltage
LO: - 0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty(+): 0 ~ 100%

Connector [CHG-A] 

Pin No. Description Condition Type Level
1 Ignition Coil (Cylinder #4) control output [with Immobilizer] Idle Pulse 1st Voltage: 360~440V
ON Voltage: Max. 1.6V
Ignition Coil (Cylinder #1) control output [without Immobilizer] Dwell Time: 1 ~ 8ms
2 Shield Idle DC - 0.3 ~ 0.5V
3 -      
4 -      
5 -      
6 -      
7 -      
8 -      
9 -      
10 -      
11 -      
12 -      
13 -      
14 Alternator "FR" PWM signal input Idle PWM Frequency: 60Hz or 125Hz or 200Hz
Duty: 0% ~ 100%
High: 3.3 ~ 3.7V
Low: 1.3 ~ 1.7V
15 Ground      
16 Ignition Coil (Cylinder #2) control output [with Immobilizer] Idle Pulse 1st Voltage: 360~440V
ON Voltage: Max. 1.6V
Ignition Coil (Cylinder #3) control output [without Immobilizer] Dwell Time: 1 ~ 1.8ms
17 -      
18 -      
19 -      
20 -      
21 -      
22 -      
23 -      
24 -      
25 -      
26 -      
27 -      
28 -      
29 Brake Switch 1 signal input Brake Switch ON DC Battery Voltage
Brake Switch OFF Max. 0.5 V
30 -      
31 Ignition Coil (Cylinder #1) control output [with Immobilizer] Idle Pulse 1st Voltage: 360~440V
ON Voltage: Max. 1.6V
Ignition Coil (Cylinder #4) control output [without Immobilizer] Dwell Time: 1 ~ 8ms
32 -      
33 -      
34 -      
35 -      
36 -      
37 -      
38 -      
39 -      
40 -      
41 -      
42 -      
43 Clutch Switch signal input Clutch Switch ON Digital - 0.3 ~ 0.5V
Clutch Switch OFF Battery Voltage
44 Brake Switch 2 signal input Brake Switch ON Digital - 0.3 ~ 0.5V
Brake Switch OFF Battery Voltage
45 EWGA DC Motor Control (+) [signal output] Idle PWM High: Battery voltage [OFF]
Low: - 0.3 ~ 1.0V [ON]
Frequency: 1000Hz
46 Ignition Coil (Cylinder #3) control output [with Immobilizer] Idle Pulse 1st Voltage: 300~400V
ON Voltage: Max. 2.0V
Ignition Coil (Cylinder #2) control output [without Immobilizer] Frequency
Dwell Time
47 -      
48 -      
49 -      
50 -      
51 -      
52 -      
53 -      
54 -      
55 -      
56 -      
57 -      
58 Power Steering Switch signal input Power Steering Switch OFF Digital High: Battery voltage
Power Steering Switch ON Low: - 0.3 ~ 0.5V
59 -      
60 EWGA DC Motor Control (-) [signal output] Idle PWM High: Battery voltage [OFF]
Low: - 0.3 ~ 1.0V [ON]
Frequency: 1000Hz
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