Hyundai Veloster: Engine Control Module (ECM). Schematic Diagrams
Harness Connector

| ECM Terminal Function |
|
Pin No. |
Description |
Connected to |
|
1 |
Injector (Cylinder #3) [High] control output |
Injector (Cylinder #3) |
|
2 |
Injector (Cylinder #4) [High] control output |
Injector (Cylinder #4) |
|
3 |
Injector (Cylinder #2) [Low] control output |
Injector (Cylinder #2) |
|
4 |
- |
|
|
5 |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control
output |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] |
|
6 |
- |
|
|
7 |
- |
|
|
8 |
- |
|
|
9 |
- |
|
|
10 |
- |
|
|
11 |
- |
|
|
12 |
Immobilizer indication lamp control output |
Cluster |
|
13 |
- |
|
|
14 |
Cooling fan relay [High] control output |
Cooling fan relay [High] |
|
15 |
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output |
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] |
|
16 |
Injector (Cylinder #2) [High] control output |
Injector (Cylinder #2) |
|
17 |
Injector (Cylinder #1) [High] control output |
Injector (Cylinder #1) |
|
18 |
Injector (Cylinder #3) [Low] control output |
Injector (Cylinder #3) |
|
19 |
- |
|
|
20 |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control
output |
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] |
|
21 |
- |
|
|
22 |
- |
|
|
23 |
Engine Coolant Temperature Sensor (ECTS) signal input |
Engine Coolant Temperature Sensor (ECTS) |
|
24 |
Sensor ground |
Engine Coolant Temperature Sensor (ECTS) |
|
25 |
- |
|
|
26 |
Fuel Tank Pressure Sensor (FTPS) signal input |
Fuel Tank Pressure Sensor (FTPS) |
|
27 |
Fuel pump relay control output (Without Immobilizer) |
Fuel pump relay |
|
Canister Close Valve (CCV) control output (With Immobilizer) |
Canister Close Valve (CCV) |
|
|
28 |
- |
|
|
29 |
A/C compressor relay control output |
A/C compressor relay |
|
30 |
- |
|
|
31 |
Ignition coil (Cylinder #3) control output |
Ignition coil (Cylinder #3) |
|
32 |
Ignition coil (Cylinder #1) control output |
Ignition coil (Cylinder #1) |
|
33 |
Injector (Cylinder #1) [Low] control output |
Injector (Cylinder #1) |
|
34 |
Fuel Pressure Control Valve (FPCV) [High] control output |
Fuel Pressure Control Valve (FPCV) |
|
35 |
ETC motor [-] control output |
ETC motor |
|
36 |
- |
|
|
37 |
Knock Sensor (KS) signal input |
Knock Sensor (KS) |
|
38 |
Sensor ground |
Knock Sensor (KS) |
|
39 |
Blower switch Max. siganl input |
Heater control module |
|
40 |
Brake Light switch signal input |
Brake switch |
|
41 |
- |
|
|
42 |
- |
|
|
43 |
- |
|
|
44 |
- |
|
|
45 |
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output |
CVVT Oil Control Valve (OCV) [Bank 1/Intake] |
|
46 |
Ignition coil (Cylinder #4) control output |
Ignition coil (Cylinder #4) |
|
47 |
Ignition coil (Cylinder #2) control output |
Ignition coil (Cylinder #2) |
|
48 |
Injector (Cylinder #4) [Low] control output |
Injector (Cylinder #4) |
|
49 |
Fuel Pressure Control Valve (FPCV) [Low] control output |
Fuel Pressure Control Valve (FPCV) |
|
50 |
ETC motor [+] control output |
ETC motor |
|
51 |
- |
|
|
52 |
- |
|
|
53 |
Brake Test switch signal input |
Brake switch |
|
54 |
- |
|
|
55 |
Clutch switch signal input |
Clutch switch |
|
56 |
Electric load signal input [Defrost] |
Alternator |
|
57 |
Alternator COM signal output |
Alternator |
|
58 |
Engine speed signal output |
Cluster |
|
59 |
Cooling fan relay [Low] control output |
Cooling fan relay |
|
60 |
Variable Intake Solenoid (VIS) valve control output |
Variable Intake Solenoid (VIS) valve |
|
Pin No. |
Description |
Connected to |
|
1 |
ECM ground |
Chassis ground |
|
2 |
ECM ground |
Chassis ground |
|
3 |
ECM ground |
Chassis ground |
|
4 |
Battery power (B+) |
Main relay |
|
5 |
Battery power (B+) |
Battery |
|
6 |
Battery power (B+) |
Battery |
|
7 |
Battery power (B+) |
Main relay |
|
8 |
Sensor ground |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] |
|
9 |
Accelerator Position Sensor (APS) 1 signal input |
Accelerator Position Sensor (APS) 1 |
|
10 |
Sensor ground |
Accelerator Position Sensor (APS) 2 |
|
11 |
- |
|
|
12 |
Sensor ground |
Fuel Tank Pressure Sensor (FTPS) |
|
13 |
- |
|
|
14 |
Throttle Position Sensor (TPS) 1 signal input |
Throttle Position Sensor (TPS) 1 |
|
15 |
- |
|
|
16 |
- |
|
|
17 |
Fuel Level signal input |
Fuel Level Sender (FLS) |
|
18 |
Sensor power (+5V) |
Accelerator Position Sensor (APS) 2 |
|
19 |
- |
|
|
20 |
Sensor power (+5V) |
Rail Pressure Sensor (RPS) |
|
A/C Pressure Transducer (APT) |
||
|
21 |
- |
|
|
22 |
Wiper switch signal input |
Wiper switch |
|
23 |
- |
|
|
24 |
Alternator PWM signal output |
Alternator |
|
25 |
- |
|
|
26 |
- |
|
|
27 |
- |
|
|
28 |
- |
|
|
29 |
Ignition switch signal input |
|
|
30 |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] signal input |
Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] |
|
31 |
Accelerator Position Sensor (APS) 2 signal input |
Accelerator Position Sensor (APS) 2 |
|
32 |
Sensor ground |
Accelerator Position Sensor (APS) 1 |
|
33 |
- |
|
|
34 |
- |
|
|
35 |
Sensor ground |
Throttle Position Sensor (TPS) |
|
36 |
Throttle Position Sensor (TPS) 2 signal input |
Throttle Position Sensor (TPS) 2 |
|
37 |
- |
|
|
38 |
- |
|
|
39 |
Sensor power (+5V) |
Throttle Position Sensor (TPS) 1,2 |
|
40 |
Sensor power (+5V) |
Accelerator Position Sensor (APS) 1 |
|
41 |
Sensor power (+5V) |
Manifold Absolute Pressure Sensor (MAPS) |
|
Fuel Tank Pressure Sensor (FTPS) |
||
|
42 |
Sensor power (+5V) |
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] |
|
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
||
|
43 |
A/C switch input |
Heater & A/C control module |
|
44 |
A/C pressure switch |
Heater & A/C control module |
|
45 |
A/C Pressure Transducer (APT) signal input |
A/C Pressure Transducer (APT) |
|
46 |
Vehicle speed signal input |
Vehicle Speed Sensor |
|
47 |
Start relay (High) control output |
Start relay |
|
48 |
- |
|
|
49 |
- |
|
|
50 |
- |
|
|
51 |
- |
|
|
52 |
VS-/IP- (Common Ground for VS, IP) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
|
53 |
Rc/Rp (Pump Cell Voltage) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
|
54 |
- |
|
|
55 |
- |
|
|
56 |
- |
|
|
57 |
- |
|
|
58 |
Rail Pressure Sensor (RPS) signal input |
Rail Pressure Sensor (RPS) |
|
59 |
- |
|
|
60 |
Start signal input |
PDM module |
|
61 |
LIN communication signal input |
Battery sensor |
|
62 |
- |
|
|
63 |
CAN [Low] |
Other control module, Data Link Connector (DLC), Multi-Purpose Check
Connector |
|
64 |
Sensor ground |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
|
65 |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input |
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] |
|
66 |
- |
|
|
67 |
Crankshaft Position Sensor (CKPS) [B] signal input |
Crankshaft Position Sensor (CKPS) |
|
68 |
- |
|
|
69 |
- |
|
|
70 |
- |
|
|
71 |
- |
|
|
72 |
Purge Control Solenoid Valve (PCSV) control output |
Purge Control Solenoid Valve (PCSV) |
|
73 |
- |
|
|
74 |
VS+ (NERNST Cell Voltage) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
|
75 |
Rc (Compensative Resistance) |
Heated Oxygen Sensor [Bank 1/Sensor 1] |
|
76 |
Sensor ground |
Rail Pressure Sensor (RPS) |
|
77 |
Sensor ground |
A/C Pressure Transducer (APT) |
|
78 |
Sensor ground |
Manifold Absolute Pressure Sensor (MAPS) |
|
79 |
Intake Temperature Sensor (IATS) signal input |
Intake Temperature Sensor (IATS) |
|
80 |
Manifold Absolute Pressure Sensor (MAPS) signal input |
Manifold Absolute Pressure Sensor (MAPS) |
|
81 |
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