Pin
No.
|
Description
|
Connected to
|
1
|
Power Ground
|
Chassis Ground
|
2
|
Battery voltage supply after ignition switch
|
Ignition Switch
|
3
|
Power Ground
|
Chassis Ground
|
4
|
Battery voltage supply after main relay
|
Main Relay
|
5
|
ECM Ground
|
Chassis Ground
|
6
|
Battery Power
|
Battery
|
7
|
Ignition Coil (Cylinder #1,4) control output
|
Ignition Coil (Cylinder #1,4)
|
8
|
Shield
|
Ignition Coil
|
9
|
Sensor ground
|
Mass Air Flow Sensor (MAFS)
|
10
|
Mass Air Flow Sensor signal input
|
Mass Air Flow Sensor (MAFS)
|
11
|
-
|
|
12
|
Ground
|
Immobilizer Control Module
|
13
|
A/C Pressure Transducer signal input
|
A/C Pressure Transducer (APT)
|
14
|
Sensor ground
|
Engine Coolant Temperature Sensor (ECTS)
|
15
|
Engine Coolant Temperature Sensor signal input
|
Engine Coolant Temperature Sensor (ECTS)
|
16
|
-
|
|
17
|
-
|
|
18
|
Intake Air Temperature Sensor signal input
|
Intake Air Temperature Sensor (IATS)
|
19
|
-
|
|
20
|
-
|
|
21
|
Sensor ground
|
Knock Sensor (KS)
|
22
|
Knock Sensor signal input
|
Knock Sensor (KS)
|
23
|
Sensor power (+5V)
|
Throttle Position Sensor (TPS)
|
24
|
-
|
|
25
|
Injector (Cylinder #1) control output
|
Injector (Cylinder #1)
|
26
|
Injector (Cylinder #3) control output
|
Injector (Cylinder #3)
|
27
|
Injector (Cylinder #4) control output
|
Injector (Cylinder #4)
|
28
|
Injector (Cylinder #2) control output
|
Injector (Cylinder #2)
|
29
|
Ignition Coil (Cylinder #2,3) control output
|
Ignition Coil (Cylinder #2,3)
|
30
|
-
|
|
31
|
-
|
|
32
|
-
|
|
33
|
Fuel Tank Pressure Sensor signal input
|
Fuel Tank Pressure Sensor (FTPS)
|
34
|
Sensor ground
|
Fuel Tank Pressure Sensor (FTPS)
|
35
|
-
|
|
36
|
-
|
|
37
|
Sensor ground
|
CVVT Oil Temperature Sensor (OTS)
|
38
|
Heated Oxygen Sensor (B1/S2) signal input
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
|
39
|
Sensor ground
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
|
40
|
CVVT Oil Temperature Sensor signal input
|
CVVT Oil Temperature Sensor (OTS)
|
41
|
Throttle Position Sensor signal input
|
Throttle Position Sensor (TPS)
|
42
|
Sensor ground
|
Throttle Position Sensor (TPS)
|
43
|
VS+ (NERNST Cell Voltage)
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
|
44
|
VS-/IP- (Common Ground for VS,IP)
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
|
45
|
Rc/Rp (Pump Cell Voltage)
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
|
46
|
Rc (Compensative Resistavce)
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
|
47
|
Sensor power (+5V)
|
A/C Pressure Transducer (APT)
|
48
|
Sensor power (+5V)
|
Fuel Tank Pressure Sensor (FTPS)
|
49
|
-
|
|
50
|
-
|
|
51
|
-
|
|
52
|
-
|
|
53
|
Vehicle speed
signal input
|
ABS/ESP Control Module [With ABS/ESC]
|
54
|
-
|
|
55
|
Wheel Speed Sensor [A] signal input
|
Wheel Speed Sensor (WSS)[Without ABS/ESC]
|
56
|
Wheel Speed Sensor [B] signal input
|
Wheel Speed Sensor (WSS)[Without ABS/ESC]
|
57
|
Sensor ground
|
A/C Pressure Transducer (APT)
|
58
|
-
|
|
59
|
-
|
|
60
|
A/C switch "ON" signal input
|
A/C Switch
|
61
|
-
|
|
62
|
A/C thermal switch signal input
|
A/C Thermal Switch
|
63
|
Fuel consumption signal output
|
Trip Computer
|
64
|
Main Relay control output
|
Main Relay
|
65
|
Cooling Fan Relay [Low] control output
|
Cooling Fan Relay [Low]
|
66
|
CVVT Oil Control Valve control output
|
CVVT Oil Control Valve (OCV)
|
67
|
Purge Control Solenoid Valve control output
|
Purge Control Solenoid Valve (PCSV)
|
68
|
-
|
|
69
|
Immobilizer lamp control output
|
Immobilizer Lamp
|
70
|
Fuel Pump Relay control output
|
Fuel Pump Relay
|
71
|
-
|
|
72
|
-
|
|
73
|
Battery voltage supply after main relay
|
Main Relay
|
74
|
Alternator load signal input
|
Alternator
|
75
|
Immobilizer communication line
|
Immobilizer Control Module
|
76
|
-
|
|
77
|
CAN [HIGH]
|
Other control module
|
78
|
CAN [LOW]
|
Other control module
|
79
|
Sensor ground
|
Camshaft Position Sensor (CMPS)
|
80
|
Camshaft Position Sensor signal input
|
Camshaft Position Sensor (CMPS)
|
81
|
Sensor ground
|
Crankshaft Position Sensor (CKPS)
|
82
|
Crankshaft Position Sensor signal input
|
Crankshaft Position Sensor (CKPS)
|
83
|
-
|
|
84
|
Clutch Switch signal input
|
Clutch Switch
|
85
|
-
|
|
86
|
Engine speed signal output
|
Cluster (Tachometer)
|
87
|
A/C Compressor Relay control output
|
A/C Compressor Relay
|
88
|
Cooling Fan Relay [High] control output
|
Cooling Fan Relay [High]
|
89
|
Idle Speed Control Actuator [OPEN] control output
|
Idle Speed Control Actuator (ISCA)
|
90
|
Idle Speed Control Actuator [CLOSE] control output
|
Idle Speed Control Actuator (ISCA)
|
91
|
Canister Close Valve control output
|
Canister Close Valve (CCV)
|
92
|
Malfunction Indicator Lamp (MIL) control output
|
Cluster (Malfunction Indicator Lamp)
|
93
|
Heated Oxygen Sensor (B1/S1) Heater control output
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
|
94
|
Heated Oxygen Sensor (B1/S2) Heater control output
|
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
|
Hyundai Elantra HD: Engine Control Module (ECM). Schematic Diagrams
