Kia Cee'd: Engine Control System / Engine Control Module (ECM) Schematic diagrams

Kia Cee'd JD Service Manual / Fuel System / Engine Control System / Engine Control Module (ECM) Schematic diagrams

ECM (Engine Control Module)
ECM Harness Connector

ECM Terminal Function
Connector [C200-A]
 
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
-

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
-

27
-

28
-
　
29
-

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
-

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
-

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

Connector [C200-K]
 
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
-

13
Sensor ground
Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
14
Throttle Position Sensor (TPS) 1 signal input
Throttle Position Sensor (TPS) 1
15
-
　
16
-
　
17
-

18
Sensor power (+5V) 
Accelerator Position Sensor (APS) 2
19
Sensor power (+5V) 
Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
Crankshaft Position Sensor (CKPS) [With ISG]
20
Sensor power (+5V) 
Rail Pressure Sensor (RPS)
A/C Pressure Transducer (APT)
21
ISG OFF switch signal input
ISG OFF Switch [With ISG] 
22
Wiper switch signal input
Wiper switch
23
Neutral switch signal input
Neutral switch [With ISG]
24
Alternator PWM signal output
Alternator
25
-
　
26
-
　
27
ISG OFF Lamp signal output
ISG OFF Switch [With ISG] 
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
Brake Booster Vacuum Pressure Sensor (BBVPS) signal input
Brake Booster Vacuum Pressure Sensor (BBVPS) [With ISG]
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)
42
Sensor power (+5V) 
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust]
43
-

44
-

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] 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
Alternator [COM] signal output
Alternator
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
CCP-CAN [Low]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
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) 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
-
　
82
-
　
83
Immobilizer communication line
Smart Key Control Module [With Button Engine Start System]
Immobilizer Control Module [Without Button Engine Start System]
84
CCP-CAN [High]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
85
CAN [High]
Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
86
Sensor ground
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
87
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
Camshaft Position Sensor (CMPS) [Bank 1 / Intake]
88
-

89
Crankshaft Position Sensor (CKPS) signal input
Crankshaft Position Sensor (CKPS)
90
Fuel pump relay control output (With Immobilizer)
Fuel pump relay
91
-
　
92
-
　
93
Main relay control output
Main relay
94
Start relay (Low) control output
Start relay

ECM Terminal Input/Output Signal
Connector [C200-A]
 
Pin No.
Description
Condition
Type
Level
1
Injector (Cylinder #3) [High] control output
Relay ON/OFF
DC voltage
71V
2
Injector (Cylinder #4) [High] control output
Relay ON/OFF
DC voltage
71V
3
Injector (Cylinder #2) [Low] control output
Relay OFF
DC voltage
71V
Relay ON
Max. 1.0V
4
-
　
　
　
5
Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor 1] heater control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.65V
6
-



7
-



8
-
　
　
　
9
-
　
　
　
10
-
　
　
　
11
-
　
　
　
12
-
　
　
　
13
-
　
　
　
14
Cooling fan relay [High] control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.76V
15
CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
Idle
Pulse
High: Battery voltage
Low: Max. 1.65V
16
Injector (Cylinder #2) [High] control output
Relay ON/OFF
DC voltage
71V
17
Injector (Cylinder #1) [High] control output
Relay ON/OFF
DC voltage
71V
18
Injector (Cylinder #3) [Low] control output
Relay OFF
DC voltage
71V
Relay ON
Max. 1.0V
19
-
　
　
　
20
Heated Oxygen Sensor  (HO2S) [Bank 1/Sensor2] heater control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.65V
21
-
　
　
　
22
-
　
　
　
23
Engine Coolant Temperature Sensor (ECTS) signal input
Idle
Analog
0.270 ~ 4.77V
24
Sensor ground
Idle
DC voltage
Max. 50mV
25
-
　
　
　
26
-



27
-



28
-
　
　
　
29
-



30
-
　
　
　
31
Ignition coil (Cylinder #3) control output
Idle
Pulse
1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
32
Ignition coil (Cylinder #1) control output
Idle
Pulse
1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
33
Injector (Cylinder #1) [Low] control output
Relay OFF
DC voltage
71V
Relay ON
Max. 1.0V
34
Fuel Pressure Control Valve (FPCV) [High] control output
Relay ON/OFF
DC voltage
16V
35
ETC motor [-] control output
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
36
-
　
　
　
37
Knock Sensor (KS) signal input
Knocking
Variable
　
Normal
Frequency
　
38
Sensor ground
Knocking
Variable
　
Normal
Frequency
　
39
-
　
　
　
40
Brake Light switch signal input
ON
DC voltage
Battery voltage
OFF
Max. 2.25V
41
-
　
　
　
42
-
　
　
　
43
-
　
　
　
44
-
　
　
　
45
CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
Idle
Pulse
High: Battery voltage
Low: Max. 1.65V
46
Ignition coil (Cylinder #4) control output
Idle
Pulse
1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
47
Ignition coil (Cylinder #2) control output
Idle
Pulse
1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
48
Injector (Cylinder #4) [Low] control output
Relay OFF
DC voltage
71V
Relay ON
Max. 1.0V
49
Fuel Pressure Control Valve (FPCV) [Low] control output
Relay OFF
DC voltage
16V
Relay ON
Max. 1.0V
50
ETC motor [+] control output
Idle
Pulse
High: Battery voltage
Low: Max. 1.0V
51
-
　
　
　
52
-
　
　
　
53
Brake Test switch signal input
ON
DC voltage
Battery voltage
OFF
Max. 2.25V
54
-
　
　
　
55
Clutch switch signal input
　
　
　
56
Electric load signal input [Defrost]
ON
DC voltage
Battery voltage
OFF
Max. 2.25V
57
-



58
Engine speed signal output
Idle
Pulse
High: Battery voltage
Low: Max. 0.6V
59
Cooling fan relay [Low] control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.76V
60
Variable Intake Solenoid (VIS) valve control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.65V

Connector [C200-K]
 
Pin No.
Description
Condition
Type
Level
1
ECM ground
Idle
DC voltage
Max. 50mV
2
ECM ground
Idle
DC voltage
Max. 50mV
3
ECM ground
Idle
DC voltage
Max. 50mV
4
Battery power (B+)
IG OFF
DC voltage
Max. 1.0V
IG ON
Battery voltage
5
Battery power (B+)
IG OFF
DC voltage
Max. 1.0V
IG ON
Battery voltage
6
Battery power (B+)
IG OFF
DC voltage
Max. 1.0V
IG ON
Battery voltage
7
Battery power (B+)
IG OFF
DC voltage
Max. 1.0V
IG ON
Battery voltage
8
Sensor ground
Idle
DC voltage
Max. 50mV
9
Accelerator Position Sensor (APS) 1 signal input
Idle
Analog
0.674 ~ 4.379 V
10
Sensor ground
Idle
DC voltage
Max. 50mV
11
 -
　
　
　
12
-



13
Sensor ground
Idle
DC voltage
Max. 50mV
14
Throttle Position Sensor (TPS) 1 signal input
Idle
Analog
0.33 ~ 4.72 V
15
 -
　
　
　
16
 -
　
　
　
17
-



18
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
19
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
20
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
21
ISG OFF switch signal input
　
　
　
22
Wiper switch signal input
ON
DC voltage
Battery voltage
OFF
Max. 2V
23
Neutral switch signal input
　
　
　
24
Alternator PWM signal output
Idle
Pulse
High: Battery voltage
Low: Max. 1.5V
25
 -
　
　
　
26
 -
　
　
　
27
ISG OFF Lamp signal output

　
　
28
-
　
　
　
29
Ignition switch signal input
IG OFF
DC voltage
Max. 1.0V
IG ON
Battery voltage
30
Heated Oxygen Sensor  (HO2S) [Bank 1 / Sensor 2] signal input
Engine
Analog
Rich: 0.6 ~ 1.0V
Running
Lean: Max. 0.4V
31
Accelerator Position Sensor (APS) 2 signal input
Idle
Analog
0.261 ~ 2.204 V
32
Sensor ground
Idle
DC voltage
Max. 50mV
33
 -
　
　
　
34
 -
　
　
　
35
Sensor ground
Idle
DC voltage
Max. 50mV
36
Throttle Position Sensor (TPS) 2 signal input
Idle
Analog
0.55 ~ 4.37 V
37
 -
　
　
　
38
Brake Booster Vacuum Pressure Sensor (BBVPS) signal input
　
　
　
39
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
40
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
41
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
42
Sensor power (+5V)
IG OFF
DC voltage
Max. 0.5V
IG ON
4.9 ~ 5.1V
43
-
　
　
　
44
-
　
　
　
45
A/C Pressure Transducer (APT) signal input
A/C ON
Analog
0.348 ~ 4.63 V
46
Vehicle speed signal input
Idle
Pulse
High: Min. 5.4V
Low: Max. 2.25V
47
Start relay [High] output
　
　
　
48
Cruise ON lamp
　
　
　
49
 -
　
　
　
50
-
　
　
　
51
 -
　
　
　
52
VS-/IP- (Common Ground for VS, IP)
Idle
DC voltage
Max. 50mV
53
Rc/Rp (Pump Cell Voltage)
Idle
Analog
0 ~ 5.1V
54
 -
　
　
　
55
 -
　
　
　
56
-



57
Alternator [COM] signal output
Idle
Pulse
High: Battery voltage
Low : Max. 0.6V
58
Rail Pressure Sensor (RPS) signal input
Idle
Analog
0.43 ~ 3.46V
59
-
　
　
　
60
Start signal input
ON
DC voltage
Battery voltage
OFF
Max. 2V
61
LIN communication signal input
RECESSIVE
Pulse
Max 5.6V (at 14V)
DOMINANT
Min 8.4V (at 14V)
62
CCP-CAN [Low]
RECESSIVE
Pulse
2.0 ~ 3.0V
DOMINANT
0.5 ~ 2.25V
63
C-CAN [Low]
RECESSIVE
Pulse
2.0 ~ 3.0V
DOMINANT
0.5 ~ 2.25V
64
Sensor ground
Idle
DC voltage
Max. 50mV
65
Camshaft Position Sensor (CMPS) [Bank 1 / Exhaust] signal input
Idle
Pulse
High: min. 4.8V
Low: Max. 0.6V
66
 -
　
　
　
67
Sensor ground
Idle
DC voltage
Max. 50mV
68
 -
　
　
　
69
 -
　
　
　
70
 -
　
　
　
71
-
　
　
　
72
Purge Control Solenoid Valve (PCSV) control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.76V
73
 -
　
　
　
74
VS+ (NERNST Cell Voltage)
Idle
Analog
0 ~ 5.1V
75
Rc (Compensative Resistance)
Idle
Analog
0 ~ 5.1V
76
Sensor ground
Idle
DC voltage
-
77
Sensor ground
Idle
DC voltage
Max. 50mV
78
Sensor ground
Idle
DC voltage
Max. 50mV
79
Intake Air Temperature Sensor (IATS) signal input
Idle
Analog
0.209 ~ 4.756V
80
Manifold Absolute Pressure Sensor (MAPS) signal input
Idle
Analog
0.6683 ~ 4.346V
81
 -
　
　
　
82
 -
　
　
　
83
Immobilizer communication line
When transmitting
Pulse
High: Min. 8.4V(at 14V)
Low: Max. 6.44V(at 14V)
84
CCP-CAN [High]
RECESSIVE
Pulse
2.0 ~ 3.0V
DOMINANT
2.75 ~ 4.5V
85
C-CAN [High]
RECESSIVE
Pulse
2.0 ~ 3.0V
DOMINANT
2.75 ~ 4.5V
86
Sensor ground
Idle
DC voltage
Max. 50mV
87
Camshaft Position Sensor (CMPS) [Bank 1 / Intake] signal input
Idle
Pulse
High: min. 4.8V
Low: Max. 0.6V
88
-
　
　
　
89
Crankshaft Position Sensor (CKPS) signal input
Idle
Pulse
Vp_p: Min. 1.0V
90
Fuel pump relay control output (With Immobilizer)
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.44V
91
 -
　
　
　
92
 -
　
　
　
93
Main relay control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 1.7V
94
Start relay (Low) control output
Relay OFF
DC voltage
Battery voltage
Relay ON
Max. 2.64V

Circuit Diagram

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 Coolan ...

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

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