Hyundai Sonata: Engine Control Module (ECM). Schematic Diagrams
ECM Terminal And Input/Output signal
ECM Terminal Function |
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] |
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:
Indicator symbols on the instrument cluster
Seat belt warning light
High beam indicator
Turn signal indicator
ESC indicator (ESC malfunction
indicator)
ESC OFF indicator
ABS warning light
Parking brake & Brake fluid warning
...
Fuel Filler Door Release Actuator. Repair procedures
Inspection
1.
Remove the trunk room left side trim.
(Refer to the BD group - "Interior trim")
2.
Open the fuel filler door an ...
Rear Glass Defogger Switch. Repair procedures
Inspection
1.
The rear glass defogger switch inputs can be checked using the
GDS.
2.
To check the input value of rear glass defogger switc ...