Hyundai Sonata: Engine Control Module (ECM). Schematic Diagrams - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: Engine Control Module (ECM). Schematic Diagrams

ECM Terminal And Input/Output signal

ECM Terminal Function
Connector [CHG-AG]
Pin
No.
Description
Connected to
1
Ignition Coil (Cylinder #2) control output
Ignition Coil (Cylinder #2)
2
-
 
3
-
 
4
-
 
5
ETC Motor [+] control output
ETC Motor
6
ETC Motor [-] control output
ETC Motor
7
-
 
8
-
 
9
-
 
10
-
 
11
-
 
12
Sensor power (+5V)
Rail Pressure Sensor (RPS)
A/C Pressure Transducer (APT)
Power Steering Pressure Sensor (PSPS)
Fuel Tank Pressure Sensor (FTPS)
13
-
 
14
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
15
-

16
-
 
17
-
 
18
-
 
19
-
 
20
Fuel Tank Pressure Sensor (FTPS) signal input
Fuel Tank Pressure Sensor (FTPS)
21
-
 
22
Ignition Coil (Cylinder #4) control output
Ignition Coil (Cylinder #4)
23
-
 
24
-
 
25
-
 
26
-
 
27
-
 
28
-
 
29
-
 
30
-
 
31
-
 
32
-
 
33
Sensor power (+5V)
Throttle Position Sensor (TPS) 1,2
34
-
 
35
Sensor ground
Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
36
Ground
Cruise Control Switch
37
-
 
38
-
 
39
Rail Pressure Sensor (RPS) signal input
Rail Pressure Sensor (RPS)
40
-
 
41
Sensor ground
Fuel Tank Pressure Sensor (FTPS)
42
-
 
43
Shield
Ignition Coil (Cylinder #1,2,3,4)
44
-
 
45
-
 
46
-
 
47
-
 
48
-
 
49
-
 
50
-
 
51
-
 
52
-
 
53
-
 
54
Sensor ground
Throttle Position Sensor (TPS) 1,2
55
Sensor ground
Accelerator Position Sensor (APS) 2
56
Sensor ground
Accelerator Position Sensor (APS) 1
57
Immobilizer communication line
Smart Key Control Module [With Button Engine Start System]
Immobilizer Control Module [Without Button Engine Start System]
58
-
 
59
Intake Air Temperature Sensor (IATS) signal input
Intake Air Temperature Sensor (IATS)
60
Sensor ground
Rail Pressure Sensor (RPS)
61
Sensor ground
Manifold Absolute Pressure Sensor (MAPS)
Intake Air Temperature Sensor (IATS)
62
Sensor ground
Engine Coolant Temperature Sensor (ECTS)
63
Engine Coolant Temperature Sensor (ECTS) signal input
Engine Coolant Temperature Sensor (ECTS)
64
Ignition Coil (Cylinder #3) control output
Ignition Coil (Cylinder #3)
65
-
 
66
-
 
67
-
 
68
-
 
69
-
 
70
-
 
71
-
 
72
-
 
73
-
 
74
-
 
75
Throttle Position Sensor (TPS) 2 signal input
Throttle Position Sensor (TPS) 2
76
Accelerator Position Sensor (APS) 2 signal input
Accelerator Position Sensor (APS) 2
77
Accelerator Position Sensor (APS) 1 signal input
Accelerator Position Sensor (APS) 1
78
-

79
-
 
80
Sensor ground
A/C Pressure Transducer (APT)
81
-
 
82
Manifold Absolute Pressure Sensor (MAPS) signal input
Manifold Absolute Pressure Sensor (MAPS)
83
Rc/Rp (Pump Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]
84
VS-/IP- (Common Ground for VS, IP)
Heated Oxygen Sensor [Bank 1/Sensor 1]
85
Ignition Coil (Cylinder #1) control output
Ignition Coil (Cylinder #1)
86
-
 
87
-
 
88
-
 
89
-
 
90
-
 
91
-
 
92
-
 
93
-
 
94
-
 
95
-
 
96
Throttle Position Sensor (TPS) 1 signal input
Throttle Position Sensor (TPS) 1
97
Sensor power (+5V)
Accelerator Position Sensor (APS) 2
98
Sensor power (+5V)
Accelerator Position Sensor (APS) 1
99
-

100
-
 
101
A/C Pressure Transducer (APT) signal input
A/C Pressure Transducer (APT)
102
-
 
103
Sensor power (+5V)
Manifold Absolute Pressure Sensor (MAPS)
104
Rc (Compensative Resistance)
Heated Oxygen Sensor [Bank 1/Sensor 1]
105
VS+ (NERNST Cell Voltage)
Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [CHG-BG]
    Pin
    No.
    Description
    Connected to
    1
    ECM ground
    Chassis ground
    2
    ECM ground
    Chassis ground
    3
    Battery power (B+)
    Main Relay
    4
    ECM ground
    Chassis ground
    5
    Battery power (B+)
    Main Relay
    6
    Battery power (B+)
    Main Relay
    7
    -

    8
    Crankshaft Position Sensor (CKPS) signal input
    Crankshaft Position Sensor (CKPS)
    9
    -
     
    10
    Brake Switch 2 signal input
    Brake Switch
    11
    -
     
    12
    -
     
    13
    -
     
    14
    -
     
    15
    Electrical load signal input
    Alternator
    16
    Alternator PWM signal output
    Alternator
    17
    -

    18
    Cooling Fan Relay [High] control output
    Cooling Fan Relay [High]
    19
    Immobilizer Lamp control output
    Immobilizer Lamp [Without Button Engine Start System]
    20
    -
     
    21
    -
     
    22
    Injector (Cylinder #2) [High] control output
    Injector (Cylinder #2)
    23
    Injector (Cylinder #2) [Low] control output
    Injector (Cylinder #2)
    24
    -

    25
    Sensor ground
    Crankshaft Position Sensor (CKPS)
    26
    -
     
    27
    Brake Switch 1 signal input
    Brake Switch
    28
    -
     
    29
    Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
    Camshaft Position Sensor (CMPS) [Bank 1/Intake]
    30
    Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
    Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
    31
    -
     
    32
    LIN communication signal input
    Battery Sensor
    33
    Cooling Fan Relay [Low] control output
    Cooling Fan Relay [Low]
    34
    -

    35
    -
     
    36
    -
     
    37
    Malfunction Indicator Lamp (MIL) control output
    Malfunction Indicator Lamp (MIL)
    38
    -
     
    39
    Injector (Cylinder #3) [High] control output
    Injector (Cylinder #3)
    40
    Components and Components Location
    Components Location 1. Engine Control Module (ECM) 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) 4. Engine Coolant Temperature Sensor ...

    Engine Control Module (ECM). Repair procedures
    Removal When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below. ...

    See also:

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