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Home >> Hyundai >> 2021 >> Elantra Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal and Input/Output signal >> ECM Terminal Function
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ECM Terminal Function

CONNECTOR DESCRIPTION (A)

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

Pin No Description
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
8 -
9 -
10 -
11 -
12 Vehicle speed signal input
13 -
14 -
15 Accelerator Position Sensor (APS) 2 signal input
16 Sensor power (+5V) (APS #2)
17 Sensor power (+5V) (MAPS)
18 Sensor power (+5V) (APS #1)
19 Accelerator Position Sensor (APS) signal input
20 Sensor power (+5V) (FTPS, CKSP, APT)
21 -
22 -
23 -
24 Fuel Pump Relay control output
25 -
26 -
27 -
28 -
29 Fuel Pressure Control Valve [Low] control output
30 A/C Pressure Transducer (APT) signal input
31 -
32 Crankshaft Position Sensor (CKPS) signal input
33 -
34 -
35 -
36 -
37 Sensor ground (APS #2)
38 Manifold Absolute Pressure Sensor (MAPS) signal input
39 Intake Air Temperature Sensor (IATS) signal input
40 Sensor ground (MAPS)
41 Sensor ground (APS #1)
42 -
43 -
44 Mass Air Flow Sensor (MAFS) signal input
45 Sensor ground (MAFS)
46 Engine Control Relay control output
47 Variable Force Solenoid (VFS) [Bank 1/Intake] control output
48 Canister Close Valve (CCV) control output
49 -
50 -
51 Battery power (B+) (Ignition Switch)
52 -
53 -
54 Sensor ground (CKPS)
55 P-CAN [High]
56 H-CAN [High]
57 -
58 Immobilizer communication line
59 -
60 Engine Coolant Temperature Sensor (ECTS) signal input [Water Temperature Control Assembly]
61 Sensor ground (ECTS)
62 Fuel Level Sender (FLS) signal input
63 -
64 Ignition Coil (Cylinder #3) control output [With Smart key]
Ignition Coil (Cylinder #2) control output [Without Smart key]
65 Ignition Coil (Cylinder #2) control output [With Smart key]
Ignition Coil (Cylinder #3) control output [Without Smart key]
66 -
67 -
68 Cooling Fan Relay control output
69 -
70 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output
71 -
72 -
73 Battery power (B+) (Battery)
74 -
75 Sensor ground (APT)
76 -
77 P-CAN [Low]
78 H-CAN [Low]
79 -
80 -
81 -
82 -
83 Fuel Tank Pressure Sensor (FTPS) signal input
84 Sensor ground (FTPS)
85 -
86 Ignition Coil (Cylinder #1) control output [With Smart key]
Ignition Coil (Cylinder #4) control output [Without Smart key]
87 Ignition Coil (Cylinder #4) control output [With Smart key]
Ignition Coil (Cylinder #1) control output [Without Smart key]
88 -
89 -
90 -
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor1] Heater control output
92 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] Heater control output
93 Purge Control Solenoid Valve (PCSV) control output
94 -