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Home >> Hyundai >> 2018 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Function
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ECM Terminal Function

Connector [A] 

Pin No Description Connected to
1 Injector (Cylinder #3) [Low] control output Injector (Cylinder #3)
2 Injector (Cylinder #4) [High] control output Injector (Cylinder #4)
3 Injector (Cylinder #3) [Low] control output Injector (Cylinder #3)
4 Vehicle speed signal output Cluster
5 EGR valve (motor -) EGR valve
6 Sensor power (+5V) Throttle Position Sensor (TPS) 1, 2
7 Sensor power (+5V) EGR valve
8 Knock Sensor (KS) signal input Knock Sensor (KS)
9 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
10 -  
11 Brake Switch [test] signal input Brake Switch
12 Brake Switch [lamp] signal input Brake Switch
13 -  
14 -  
15 -  
16 Injector (Cylinder #3) [High] control output Injector (Cylinder #3)
17 Injector (Cylinder #1) [High] control output Injector (Cylinder #1)
18 Injector (Cylinder #1) [Low] control output Injector (Cylinder #1)
19 -  
20 EGR valve (motor +) EGR valve
21 Sensor shield Knock Sensor (KS)
22 Sensor ground Knock Sensor (KS)
23 -  
24 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
25 -  
26 Wake up signal input Body cotrol module (BCM)
27 -  
28 -  
29 -  
30 -  
31 Injector (Cylinder #2) [High] control output Injector (Cylinder #2)
32 -  
33 ETC Motor [-] control output ETC Motor
34 Sensor ground Throttle Position Sensor (TPS) 1, 2
35 Throttle Position Sensor (TPS) 1 signal input Throttle Position Sensor (TPS) 1
36 Sensor ground Rail Pressure Sensor (RPS)
37 Rail Pressure Sensor (RPS) signal input Rail Pressure Sensor (RPS)
38 -  
39 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Camshaft Position Sensor (CMPS) [Bank 1/Intake]
40 -  
41 -  
42 -  
43 VS-/IP- (Common Ground for VS, IP) Heated Oxygen Sensor [Bank 1/Sensor 1]
44 Rc (Compensative Resistance) Heated Oxygen Sensor [Bank 1/Sensor 1]
45 Sensor ground Heated Oxygen Sensor [Bank 1/Sensor 2]
46 Injector (Cylinder #2) [Low] control output Injector (Cylinder #2)
47 -  
48 ETC Motor [+] control output ETC Motor
49 -  
50 Throttle Position Sensor (TPS) 2 signal input Throttle Position Sensor (TPS) 2
51 Sensor power (+5V) Rail Pressure Sensor (RPS)
52 Electrical load signal input Wiper Motor
53 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Intake]
54 Sensor ground EGR valve
55 EGR valve (Feedback signal) EGR valve
56 -  
57 -  
58 VS+ (NERNST Cell Voltage) Heated Oxygen Sensor [Bank 1/Sensor 1]
59 Rc/Rp (Pump Cell Voltage) Heated Oxygen Sensor [Bank 1/Sensor 1]
60 Heated Oxygen Sensor [Bank 1/Sensor 2] signal input Heated Oxygen Sensor [Bank 1/Sensor 2]

Connector [K] 

Pin No Description Connected to
1 ECM ground Chassis Ground
2 Battery power (B+) Main Relay
3 ECM ground Chassis Ground
4 Battery power (B+) Main Relay
5 ECM ground Chassis Ground
6 Battery power (B+) Main Relay
7 Fuel Pressure Control Valve [High] control output Fuel Pressure Control Valve
8 -  
9 -  
10 Engine Coolant Temperature Sensor (ECTS) signal [EGR Cooler Tube] Engine Coolant Temperature Sensor (ECTS) [EGR Cooler Tube]
11 Sensor ground Engine Coolant Temperature Sensor (ECTS) [EGR Cooler Tube]
12 Vehicle speed signal input Integrated brake actuation unit
Smart key Control Module
13 -  
14 -  
15 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
16 Sensor power (+5V) Accelerator Position Sensor (APS) 2
17 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS)
18 Sensor power (+5V) Accelerator Position Sensor (APS) 1
19 Accelerator Position Sensor (APS) signal input Accelerator Position Sensor (APS) 1
20 Sensor power (+5V) Crankshaft Position Sensor (CKPS)
Fuel Tank Pressure Sensor (FTPS)
Evaporation Leak Check Module (ELCM)
A/C Pressure Transducer (APT)
21 -  
22 Fuel Tank Isolation Valve (FTIV) relay control Fuel Tank Isolation Valve (FTIV)
23 Evaporation Leak Check Module (ELCM) negative pressure pump ground Evaporation Leak Check Module (ELCM)
24 Fuel Pump Relay control output Fuel Pump Relay
25 -  
26 Evaporation Leak Check Module (ELCM) change over valve ground Evaporation Leak Check Module (ELCM)
27 -  
28 -  
29 Fuel Pressure Control Valve [Low] control output Fuel Pressure Control Valve
30 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
31 -  
32 Crankshaft Position Sensor (CKPS) signal input Crankshaft Position Sensor (CKPS)
33 -  
34 -  
35 -  
36 -  
37 Sensor ground Accelerator Position Sensor (APS) 2
38 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
39 Intake Air Temperature Sensor (IATS) signal input Intake Air Temperature Sensor (IATS)
40 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
41 Sensor ground Accelerator Position Sensor (APS) 1
42 -  
43 -  
44 Mass Air Flow Sensor (MAFS) signal input Mass Air Flow Sensor (MAFS)
45 Sensor ground Mass Air Flow Sensor (MAFS)
46 Engine Control Relay control output Main Relay
47 CVVT Oil control solenoid (OCS) [Bank 1/Intake] control output CVVT Oil control solenoid (OCS) [Bank 1/Intake]
48 -  
49 -  
50 -  
51 Battery power (B+) Ignition Switch
52 -  
53 Sensor ground Fuel Tank Pressure Sensor (FTPS)
54 Sensor ground Crankshaft Position Sensor (CKPS)
55 P-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
56 H-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
57 -  
58 Immobilizer communication line Smart key Control Module
59 -  
60 Engine Coolant Temperature Sensor (ECTS) signal input [Water Temperature Control Assembly] Engine Coolant Temperature Sensor (ECTS) [Water Temperature Control Assembly]
61 Sensor ground Engine Coolant Temperature Sensor (ECTS) [Water Temperature Control Assembly]
62 Fuel Level Sender (FLS) signal input Fuel Level Sender (FLS)
63 -  
64 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2)
65 Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3)
66 -  
67 -  
68 Cooling Fan Relay control output Cooling Fan Relay
69 -  
70 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
71 -  
72 -  
73 Battery power (B+) Battery
74 -  
75 Sensor ground A/C Pressure Transducer (APT)
76 LIN communication signal input Battery Sensor
77 P-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78 H-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
79 -  
80 -  
81 -  
82 Fuel Tank Pressure Sensor (FTPS) signal input Fuel Tank Pressure Sensor (FTPS)
83 Evaporation Leak Check Module (ELCM) signal input (High Pressure) Evaporation Leak Check Module (ELCM)
84 Sensor ground Evaporation Leak Check Module (ELCM)
85 -  
86 Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4)
87 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1)
88 -  
89 -  
90 -  
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
92 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
93 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)
94 -