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ECM Terminal And Input/Output signal

Fig 1: Identifying ECM Connector Terminals
G10716974Courtesy of KIA MOTORS AMERICA, INC.

ECM Terminal Function 

CONNECTOR (E100-A) PIN REFERENCE

Pin No. Description Connected to
1 -  
2 -  
3 -  
4 -  
5 Power ground Chassis Ground
6 Power ground Chassis Ground
7 -  
8 -  
9 2nd CAN [High] Multi-Purpose Check Connector
10 CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
11 -  
12 -  
13 -  
14 Sensor power (+5V) Accelerator Position Sensor (APS) 1
15 Sensor power (+5V) A/C Pressure Transducer (APT)
Rail Pressure Sensor (RPS)
16 -  
17 -  
18 -  
19 -  
20 -  
21 Brake Switch 2 signal input Brake Switch
22 -  
23 -  
24 Alternator (FR) Alternator
25 -  
26 -  
27 -  
28 Rail Pressure Sensor (RPS) signal input Rail Pressure Sensor (RPS)
29 -  
30 Power ground Chassis Ground
31 -  
32 -  
33 -  
34 2nd CAN [Low] Multi-Purpose Check Connector
35 CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
36 -  
37 Sensor ground Rail Pressure Sensor (RPS)
38 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
39 -  
40 -  
41 -  
42 -  
43 Brake Switch 1 signal input Brake Switch
44 -  
45 -  
46 -  
47 -  
48 -  
49 -  
50 -  
51 -  
52 Battery power (B+) Battery
53 -  
54 -  
55 Power ground Chassis Ground
56 -  
57 -  
58 -  
59 Sensor ground Accelerator Position Sensor (APS) 2
60 Sensor ground Accelerator Position Sensor (APS) 1
61 -  
62 -  
63 Sensor ground A/C Pressure Transducer (APT)
64 -  
65 -  
66 -  
67 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
68 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
69 -  
70 Engine speed signal output Power Distribution Module (PDM)
71 Cooling Fan (PWM) Control output Cooling Fan Control Module
72 Alternator (COM) Alternator
73 -  
74 Immobilizer communication line Smart Key Control Module
75 Battery power (B+) Main Relay
76 -  
77 Battery power (B+) Battery
78 Fuel pump resistor relay control output Fuel pump resistor relay
79 -  
80 Power ground Chassis Ground
81 -  
82 -  
83 -  
84 -  
85 -  
86 -  
87 LIN (Local Interconnect Network) Serial Bus Line Battery Sensor
88 -  
89 -  
90 Sensor power (+5V) Accelerator Position Sensor (APS) 2
91 -  
92 -  
93 Starter Relay control output Starter Relay
94 Main Relay control output Main Relay
95 Fuel pump Relay control output Fuel pump Relay
96 -  
97 -  
98 -  
99 Battery power (B+) Main Relay
100 Battery power (B+) Main Relay
CONNECTOR (C100-B) PIN REFERENCE

Pin No. Description Connected to
1 -  
2 -  
3 -  
4 -  
5 Sensor power (+5V) Camshaft Position Sensor (CMPS) [Bank 1/Intake]
Camshaft Position Sensor (CMPS) [Bank 2/Exhaust]
6 Sensor power (+5V) Throttle Position Sensor (TPS)
7 -  
8 Crank request signal output Power Distribution Module (PDM)
9 Barometric Pressure Sensor (BPS) signal input Barometric Pressure Sensor (BPS)
10 CVVT Oil Temperature Sensor (OTS) signal input CVVT Oil Temperature Sensor (OTS)
11 -  
12 Throttle Position Sensor (TPS) 1 signal input Throttle Position Sensor (TPS) 1
13 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
14 Intake Air Temperature Sensor (IATS) signal input Intake Air Temperature Sensor (IATS)
15 Vehicle speed signal input Power Distribution Module (PDM) [With Button Engine Start System]
ABS/ESP Control Module [Without Button Engine Start System]
16 Knock Sensor (KS) [Bank 2] [High] signal input Knock Sensor (KS) [Bank 2]
17 Knock Sensor (KS) [Bank 1] [High] signal input Knock Sensor (KS) [Bank 1]
18 Crankshaft Position Sensor (CKPS) [High] signal input Crankshaft Position Sensor (CKPS)
19 Sensor ground CVVT Oil Temperature Sensor (OTS)
20 -  
21 Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input Camshaft Position Sensor (CMPS) [Bank 2/Intake]
22 -  
23 -  
24 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1)
25 -  
26 -  
27 -  
28 -  
29 -  
30 -  
31 Sensor ground Throttle Position Sensor (TPS) 1
32 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Intake]
Camshaft Position Sensor (CMPS) [Bank 2/Exhaust]
33 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
34 Throttle Position Sensor (TPS) 2 signal input Throttle Position Sensor (TPS) 2
35 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
36 -  
37 -  
38 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
39 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
40 Sensor Shield Crankshaft Position Sensor (CKPS)
Knock Sensor (KS) #1 [Bank 1]
Knock Sensor (KS) #2 [Bank 2]
41 Knock Sensor (KS) [Bank 2] [Low] signal input Knock Sensor (KS) [Bank 2]
42 Knock Sensor (KS) [Bank 1] [Low] signal input Knock Sensor (KS) [Bank 1]
43 Crankshaft Position Sensor (CKPS) [Low] signal input Crankshaft Position Sensor (CKPS)
44 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
Camshaft Position Sensor (CMPS) [Bank 2/Intake]
45 -  
46 Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input Camshaft Position Sensor (CMPS) [Bank 2/Exhaust]
47 -  
48 Sensor power (+5V) Barometric Pressure Sensor (BPS)
Manifold Absolute Pressure Sensor (MAPS)
49 Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3)
50 -  
51 -  
52 -  
53 -  
54 -  
55 -  
56 Sensor ground Barometric Pressure Sensor (BPS)
Manifold Absolute Pressure Sensor (MAPS)
Engine Coolant Temperature Sensor (ECTS)
57 -  
58 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
59 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
60 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
61 -  
62 -  
63 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
64 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
65 Variable Intake Solenoid (VIS) Valve #1 control output Variable Intake Solenoid (VIS) Valve #1
66 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)
67 -  
68 -  
69 Variable Intake Solenoid (VIS) Valve #2 control output Variable Intake Solenoid (VIS) Valve #2
70 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
71 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Camshaft Position Sensor (CMPS) [Bank 1/Intake]
72 -  
73 Sensor Power (+5V) Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
Camshaft Position Sensor (CMPS) [Bank 2/Intake]
74 Ignition Coil (Cylinder #5) control output Ignition Coil (Cylinder #5)
75 -  
76 -  
77 -  
78 -  
79 -  
80 ETC Motor [+] control output ETC Motor
81 ETC Motor [-] control output ETC Motor
82 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
83 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
84 Fuel Pressure Control Valve (FPCV) control output Injector Drive Box (IDB)
85 Injector (Cylinder #2) control output Injector Drive Box (IDB)
86 Injector (Cylinder #5) control output Injector Drive Box (IDB)
87 Injector (Cylinder #3) control output Injector Drive Box (IDB)
88 Injector (Cylinder #6) control output Injector Drive Box (IDB)
89 Injector (Cylinder #4) control output Injector Drive Box (IDB)
90 Injector (Cylinder #1) control output Injector Drive Box (IDB)
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
92 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
93 CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 2/Exhaust]
94 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
95 CVVT Oil Control Valve (OCV) [Bank 2/Intake] control output CVVT Oil Control Valve (OCV) [Bank 2/Intake]
96 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output CVVT Oil Control Valve (OCV) [Bank 1/Intake]
97 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2)
98 Ignition Coil (Cylinder #6) control output Ignition Coil (Cylinder #6)
99 Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4)
100 -  

ECM Terminal Input/Output Signal 

CONNECTOR (E100-A) PIN REFERENCE

Pin No. Description Condition Type Level
1 -      
2 -      
3 -      
4 -      
5 Power ground Idle DC Max. 0.1V
6 Power ground Idle DC Max. 0.1V
7 -      
8 -      
9 2nd CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
10 CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
11 -      
12 -      
13 -      
14 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.9 ~ 5.1V
15 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.9 ~ 5.1V
16 -      
17 -      
18 -      
19 -      
20 -      
21 Brake Switch 2 signal input Brake OFF DC Battery Voltage
Brake ON Max. 0.5V
22 -      
23 -      
24 Alternator (FR) Idle PWM High: Battery Voltage
Low: Max. 2.0V
133
5
25 -      
26 -      
27 -      
28 Rail Pressure Sensor (RPS) signal input Idle DC 1.0 ~ 2.0V
29 -      
30 Power ground Idle DC Max. 0.1V
31 -      
32 -      
33 -      
34 2nd CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 0.5 ~ 2.25V
35 CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 0.5 ~ 2.25V
36 -      
37 Sensor ground Idle DC Max. 0.1V
38 Accelerator Position Sensor (APS) 1 signal input C.T Analog 0.7 ~ 0.8V
W.O.T 3.85 ~ 4.35V
39 -      
40 -      
41 -      
42 -      
43 Brake Switch 1 signal input Brake OFF DC Max. 0.5V
Brake ON Battery Voltage
44 -      
45 -      
46 -      
47 -      
48 -      
49 -      
50 -      
51 -      
52 Battery power (B+) Always (Without Ignition key) DC Battery Voltage
53 -      
54 -      
55 Power ground Idle DC Max. 0.1V
56 -      
57 -      
58 -      
59 Sensor ground Idle DC Max. 0.1V
60 Sensor ground Idle DC Max. 0.1V
61 -      
62 -      
63 Sensor ground Idle DC Max. 0.1V
64 -      
65 -      
66 -      
67 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.5 ~ 4.5V
68 Accelerator Position Sensor (APS) 2 signal input C.T Analog 0.29 ~ 0.46V
W.O.T 1.93 ~ 2.18V
69 -      
70 Engine speed signal output Engine Running Pulse High: Battery Voltage
Low: Max. 1.1V
0
47.5
71 Cooling Fan (PWM) Control output A/C ON Pulse High: Battery Voltage
Low: Max. 1.1V
72 Alternator (COM) IG ON PWM High: Min. 4.0V
Low: Max. 2.0V
Frequency = 125Hz
73 -      
74 Immobilizer communication line Transmitting DC High: Min. Vbatt X 80%
Low: Max. Vbatt X 20%
Receiving High: Min. Vbatt X 70%
Low: Max. Vbatt X 30%
75 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
76 -      
77 Battery power (B+) Always (Without Ignition key) DC Battery Voltage
78 Fuel pump resistor relay control output Relay OFF DC Battery Voltage
Relay ON Max.1.1V
79 -      
80 Power ground Idle DC Max. 0.1V
81 -      
82 -      
83 -      
84 -      
85 -      
86 -      
87 LIN (Local Interconnect Network) Serial Bus Line Transmitting DC High: Min. Vbatt X 80%
Low: Max. Vbatt X 20%
Receiving High: Min. Vbatt X 70%
Low: Max. Vbatt X 30%
88 -      
89 -      
90 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
91 -      
92 -      
93 Starter Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.1V
94 Main Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.7V
95 Fuel Pump Relay control output Relay OFF DC Battery Voltage
Relay ON Max 1.1V
96 -      
97 -      
98 -      
99 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
100 Battery power (B+) IG OFF DC Battery Voltage
IG ON Max. 1.0V
CONNECTOR (C100-B) PIN REFERENCE

Pin No. Description Condition Type Level
1 -      
2 -      
3 -      
4 -      
5 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
6 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
7 -      
8 Crank request signal output S/W OFF DC Max. 1.0V
S/W ON Battery Voltage
9 Barometric Pressure Sensor (BPS) signal input IG ON Analog Approx. 4.0V
10 CVVT Oil Temperature Sensor (OTS) signal input IG ON Analog 3.2V at -40°C(-40°F)
0.1V at 150°C(302°F)
11 -      
12 Throttle Position Sensor (TPS) 1 signal input C.T Analog 0.25 ~ 0.9V
W.O.T Min. 4.0V
13 Manifold Absolute Pressure Sensor (MAPS) signal input IG ON Analog Approx. 4.44V
Idle Approx. 0.75V
14 Intake Air Temperature Sensor (IATS) signal input IG ON Analog 3.2V at -40°C(-40°F)
0.05V at 125°C(257°F)
15 Vehicle speed signal input Vehicle Running Pulse High: Battery Voltage
Low: Max. 0.5V
0.7(1kph)
44
16 Knock Sensor (KS) [Bank 2] [High] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
17 Knock Sensor (KS) [Bank 1] [High] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
18 Crankshaft Position Sensor (CKPS) [High] signal input Idle SINE 0.4
Wave 55
19 Sensor ground Idle DC Max. 0.1V
20 -      
21 Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
22 -      
23 -      
24 Ignition Coil (Cylinder #1) control output Engine Running Pulse Vpeak = 400V
0
25 -      
26 -      
27 -      
28 -      
29 -      
30 -      
31 Sensor ground Idle DC Max. 0.1V
32 Sensor ground Idle DC Max. 0.1V
33 Sensor ground Idle DC Max. 0.1V
34 Throttle Position Sensor (TPS) 2 signal input C.T Analog Min. 4.0V
W.O.T 0.25 ~ 0.9V
35 Engine Coolant Temperature Sensor (ECTS) signal input IG ON Analog 3.22V at -40°C(-40°F)
0.29V at 125°C(257°F)
36 -      
37 -      
38 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
39 Sensor ground Idle DC Max. 0.1V
40 Sensor Shield Idle DC Max. 0.1V
41 Knock Sensor (KS) [Bank 2] [Low] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
42 Knock Sensor (KS) [Bank 1] [Low] signal input Knocking Variable -0.3 ~ 0.3V
Normal Frequency 0V
43 Crankshaft Position Sensor (CKPS) [Low] signal input Idle SINE 0.4
Wave 55
44 Sensor ground Idle DC Max. 0.1V
45 -      
46 Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
47 -      
48 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
49 Ignition Coil (Cylinder #3) control output Engine Running Pulse Vpeak = 400V
0
50 -      
51 -      
52 -      
53 -      
54 -      
55 -      
56 Sensor ground Idle DC Max. 0.1V
57 -      
58 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
59 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
60 Sensor ground Idle DC Max. 0.1V
61 -      
62 -      
63 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] signal input RICH Analog Min. 0.8V
LEAN Max. 0.1V
64 Sensor ground Idle DC Max. 0.1V
65 Variable Intake Solenoid (VIS) Valve #1 control output Engine Running PWM High: Battery Voltage
Low: Max. 1.1V
66 Purge Control Solenoid Valve (PCSV) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
67 -      
68 -      
69 Variable Intake Solenoid (VIS) Valve #2 control output Engine Running PWM High: Battery Voltage
Low: Max. 1.1V
70 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
71 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: 3.2 ~ Vcc
Low: Max. 0.7V
0
72 -      
73 Sensor Power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
74 Ignition Coil (Cylinder #5) control output Engine Running Pulse Vpeak = 400V
0
75 -      
76 -      
77 -      
78 -      
79 -      
80 ETC Motor [+] control output Engine Running PWM High: Battery Voltage
Low: Max.1.0V
1, 500
0
81 ETC Motor [-] control output Engine Running PWM High: Battery Voltage
Low: Max.1.0V
1, 500
0
82 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
83 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
84 Fuel Pressure Control Valve (FPCV) control output      
85 Injector (Cylinder #2) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
86 Injector (Cylinder #5) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
87 Injector (Cylinder #3) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
88 Injector (Cylinder #6) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
89 Injector (Cylinder #4) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
90 Injector (Cylinder #1) control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
0
47
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
92 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output Engine Running PWM High: Battery Voltage
Low: Max. 1.15V
0
93 CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
94 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
95 CVVT Oil Control Valve (OCV) [Bank 2/Intake] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
96 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Engine Running PWM High: Battery Voltage
Low: Max. 1.0V
Frequency = 128Hz
0
97 Ignition Coil (Cylinder #2) control output Engine Running Pulse Vpeak = 400V
0
98 Ignition Coil (Cylinder #6) control output Engine Running Pulse Vpeak = 400V
0
99 Ignition Coil (Cylinder #4) control output Engine Running Pulse Vpeak = 400V
0
100 -