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Home >> Kia >> 2020 >> Sorento L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Input/Output Signal
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ECM Terminal Input/Output Signal

CONNECTOR TERMINAL DESCRIPTION (C100-A)

Pin No. Description Condition Type Level
1 -      
2 -      
3 -      
4 -      
5 -      
6 -      
7 -      
8 -      
9 -      
10 -      
11 -      
12 -      
13 -      
14 -      
15 -      
16 -      
17 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.5 ~ 4.5V (Idle: 1.02V)
18 -      
19 Alternator target voltage data signal output (COM) Idle Pulse High: Battery voltage (B+)
Low: Max. 1.5V
Frequency: 125Hz
20 Ignition Coil (Cylinder #2) control output Engine running Pulse Vpeak = 360 ~ 440V 125
(Idle: 333Hz)
21 Ignition Coil (Cylinder #3) control output Engine running Pulse Vpeak = 360 ~ 440V 125
(Idle: 333Hz)
22 -      
23 -      
24 -      
25 -      
26 -      
27 -      
28 -      
29 -      
30 -      
31 -      
32 -      
33 -      
34 Sensor ground Idle DC -0.3 ~ 0.5V
35 -      
36 -      
37 Sensor ground Idle DC -0.3 ~ 0.5V
38 Sensor ground Idle DC -0.3 ~ 0.5V
39 Rail Pressure Sensor (RPS) signal input Idle Analog -0.3 ~ 5.2V
40 -      
41 Ignition Coil (Cylinder #4) control output Engine running Pulse Vpeak = 360 ~ 440V 125
(Idle: 333Hz)
42 Ignition Coil (Cylinder #1) control output Engine running Pulse Vpeak = 360 ~ 440V 125
(Idle: 333Hz)
43 VCM motor [+] control output      
44 VCM motor [-] control output      
45 -      
46 -      
47 -      
48 -      
49 Sensor ground Idle DC -0.3 ~ 0.5V
50 Sensor ground Idle DC -0.3 ~ 0.5V
51 Sensor ground Idle DC -0.3 ~ 0.5V
52 -      
53 -      
54 Sensor ground Idle DC -0.3 ~ 0.5V
55 -      
56 -      
57 -      
58 -      
59 Sensor ground Idle DC -0.3 ~ 0.5V
60 Sensor ground Idle DC -0.3 ~ 0.5V
61 Sensor Shield Idle DC -0.3 ~ 0.5V
62 Sensor ground Idle DC -0.3 ~ 0.5V
63 Knock Sensor (KS) signal input Knocking Variable Frequency -0.3 ~ 0.3V
Normal 0V
64 -      
65 E-CVVT motor [-] control output      
66 E-CVVT motor [+] control output      
67 E-CVVT Relay power      
68 -      
69 -      
70 -      
71 -      
72 -      
73 -      
74 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Engine running Pulse High: 4.5 ~ 5.5V
Low: -0.3 ~ 0.5V
Frequency: 7Hz (Idle), 25Hz (3, 000 rpm)
75 Alternator electric load signal input [FR]      
76 -      
77 Feedback signal input      
78 -      
79 -      
80 Throttle Position Sensor (TPS) 2 signal input C.T Analog 4.2 ~ 5.0V
W.O.T 3.3 ~ 3.8V
81 Intake Temperature Sensor (IATS) signal input Idle Analog 0 ~ 5.0V (Idle: 2.55V)
82 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.8 ~ 1.6V
(Idle: 1.37V)
83 Rc/Rp (Pumping Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max. Normal+150 mV
Lean: Min Normal-150 mV
84 VS-/IP- (Common Ground for VS, IP) Idle Analog Reference for V_IP, V_N
85 -      
86 E-CVVT motor [-] control output      
87 E-CVVT motor [+] control output      
88 E-CVVT Relay power      
89 ETC motor [+] control output Engine running Pulse High: Battery voltage (B+)
Low: Max.1.0V
90 ETC motor [-] control output Engine running Pulse High: Battery voltage (B+)
Low: Max.1.0V
91 -      
92 -      
93 -      
94 -      
95 Crankshaft Position Sensor (CKPS) signal input Engine running Pulse High: 4.5 ~ 5.5V
Low: -0.3 ~ 0.5V
Frequency: 850Hz (Idle), 3, 000Hz (3, 000 rpm)
96 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Engine running Pulse High: 4.5 ~ 5.5V
Low: -0.3 ~ 0.5V
Frequency: 7Hz (Idle), 25Hz (3, 000 rpm)
97 -      
98 -      
99 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
100 Throttle Position Sensor (TPS) 1 signal input C.T Analog 0.3 ~ 0.9V
W.O.T 1.5 ~ 3.0V
101 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
102 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
103 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
104 Rc (Compensative Resistance) Idle Analog |Rc-Rc/Rp|<±0.1V
105 VS+ (NERNST Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max. Normal+150 mV
Lean: Min Normal-150 mV
CONNECTOR TERMINAL DESCRIPTION (C100-B)

Pin No. Description Condition Type Level
1 ECM ground Idle DC -0.3 ~ 0.5V
2 ECM ground Idle DC -0.3 ~ 0.5V
3 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery voltage (B+)
4 ECM ground Idle DC -0.3 ~ 0.5V
5 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery voltage (B+)
6 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery voltage (B+)
7 -      
8 FlexRay communication [High] signal input      
9 -      
10 Brake switch [Test] signal input Brake OFF DC Battery voltage (B+)
Brake ON Max. 0.5V
11 -      
12 -      
13 Electric load signal input Lamp OFF DC Battery voltage (B+)
Lamp ON -0.3 ~ 0.5V
14 Immobilizer communication line      
15 LDC converter signal input      
16 Main relay control output Relay OFF DC Battery voltage (B+)
Relay ON -0.3 ~ 1.2V
17 -      
18 Purge Control Solenoid Valve (PCSV) control output Inactive Active Pulse High: Battery voltage (B+)
Low: Max. 1.0V
Vpeak: 42.0 ~ 60.0V
Frequency: 20Hz
19 E-CVVT Relay control output      
20 -      
21 -      
22 Injector (Cylinder #2) [High] control output Engine running PWM
G12848510Courtesy of KIA MOTORS AMERICA, INC.
23 Injector (Cylinder #2) [Low] control output Engine running Pulse
G12848511Courtesy of KIA MOTORS AMERICA, INC.
24 -      
25 FlexRay communication [Low] signal input      
26 -      
27 Brake switch [Lamp] signal input Brake OFF DC Max. 0.5V
Brake ON Battery voltage (B+)
28 -      
29 -      
30 A/C Pressure Transducer (APT) signal input      
31 Fuel Tank Pressure Sensor (FTPS) signal input Idle Analog -0.3 ~ 5.2V
32 LIN communication signal input      
33 Fuel pump relay control output Relay OFF DC Battery voltage (B+)
Relay ON -0.3 ~ 1.2V
34 Start control output Relay OFF DC Battery voltage (B+)
Relay ON -0.3 ~ 1.2V
35 Cooling fan relay [High] control output Relay OFF DC Battery voltage (B+)
Relay ON Max. 1.0V
36 -      
37 -      
38 Canister Close Valve (CCV) control output Inactive Active Pulse High: Battery voltage (B+)
Low: Max. 1.0V
Vpeak: 42.0 ~ 60.0V
39 Injector (Cylinder #3) [High] control output Engine running PWM
G12848512Courtesy of KIA MOTORS AMERICA, INC.
40 Injector (Cylinder #3) [Low] control output Engine running Pulse
G12848513Courtesy of KIA MOTORS AMERICA, INC.
41 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery voltage (B+)
42 -      
43 -      
44 Sensor ground Idle DC -0.3 ~ 0.5V
45 -      
46 Sensor ground Idle DC -0.3 ~ 0.5V
47 Sensor ground Idle DC -0.3 ~ 0.5V
48 Sensor ground Idle DC -0.3 ~ 0.5V
49 -      
50 Sensor ground Idle DC -0.3 ~ 0.5V
51 Start relay control output Relay OFF DC Battery voltage (B+)
Relay ON -0.3 ~ 1.2V
52 -      
53 -      
54 Engine speed signal output Engine running Frequency High: Battery voltage (B+)
Low: -0.3 ~ 1.0V
Frequency: 21Hz (Idle), 100Hz (3, 000 rpm)
55 -      
56 Injector (Cylinder #4) [High] control output Engine running PWM
G12848514Courtesy of KIA MOTORS AMERICA, INC.
57 Injector (Cylinder #4) [Low] control output Engine running Pulse
G12848515Courtesy of KIA MOTORS AMERICA, INC.
58 Heated Oxygen Sensor [Bank 1/Sensor 2] signal input Idle DC Rich: 0.6 ~ 1.0V
Lean: Max. 0.4V
59 CCP-CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
60 CAN [Low] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75~4.5V
61 starter signal input S/W OFF DC -0.3 ~ 0.5V
S/W ON Battery voltage (B+)
62 -      
63 -      
64 Accelerator Position Sensor (APS) 2 signal input C.T Analog Max. 1.0V
W.O.T 1.5 ~ 3.0V
65 Accelerator Position Sensor (APS) 1 signal input C.T Analog Max. 1.0V
W.O.T Min. 4.0V
66 -      
67 -      
68 -      
69 -      
70 -      
71 Cooling fan relay [Low] control output Relay OFF DC Battery voltage (B+)
Relay ON -0.3 ~ 1.2V
72 Variable Intake Solenoid Valve (VIS) control output Active DC Max. 1.0V
Inactive Battery voltage (B+)
73 Injector (Cylinder #1) [High] control output Engine running PWM
G12848516Courtesy of KIA MOTORS AMERICA, INC.
74 Injector (Cylinder #1) [Low] control output Engine running Pulse
G12848517Courtesy of KIA MOTORS AMERICA, INC.
75 Battery power (B+) IG OFF DC Max. 1.0V
IG ON Battery voltage (B+)
76 CCP-CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
77 CAN [High] Recessive Pulse 2.0 ~ 3.0V
Dominant 2.75 ~ 4.5V
78 Vehicle signal input      
79 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
80 -      
81 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
82 Sensor power (+5V) IG OFF DC Max. 0.5V
IG ON 4.75 ~ 5.25V
83 -      
84 Fuel Level Sender      
85 -      
86 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Idle Pulse High: Battery voltage (B+)
Low: -0.3 ~ 1.0V
Frequency: 300Hz
87 -      
88 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Engine running Pulse High: Battery voltage (B+)
Low: -0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty: 0 ~ 100%
89 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Engine running Pulse High: Battery voltage (B+)
Low: -0.3 ~ 1.0V
Frequency: 8 ~ 10Hz
Duty: 0 ~ 100%
90 Fuel Pressure Regulator Valve [High] control output Engine running PWM
G12848518Courtesy of KIA MOTORS AMERICA, INC.
91 Fuel Pressure Regulator Valve [Low] control output Engine running Pulse
G12848519Courtesy of KIA MOTORS AMERICA, INC.
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