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Home >> Kia >> 2021 >> Forte EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Function
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ECM Terminal Function

Connector [A] 

Pin No. Description Connected to
1 -  
2 ETC Motor [+] control output ETC Motor
3 -  
4 Motor [-] control output Variable Charge Motion Actuator (VCMA)
5 -  
6 -  
7 -  
8 -  
9 -  
10 Clutch switch signal input [M/T] Clutch switch
11 -  
12 -  
13 -  
14 -  
15 Sensor ground Engine Coolant Temperature Sensor (ECTS)
16 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
17 Throttle Position Sensor (TPS) 2 signal input Throttle Position Sensor (TPS) 2 [ETC Module]
18 -  
19 -  
20 -  
21 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS)
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
22 -  
23 ETC Motor [-] control output ETC Motor [ETC Module]
24 -  
25 Motor [+] control output Variable Charge Motion Actuator (VCMA)
26 -  
27 -  
28 -  
29 -  
30 -  
31 Electrical load signal input (FR) Alternator
32 -  
33 -  
34 -  
35 -  
36 -  
37 Sensor ground Throttle Position Sensor (TPS) 1, 2 [ETC Module]
38 Throttle Position Sensor (TPS) 1 signal input Throttle Position Sensor (TPS) 1 [ETC Module]
39 -  
40 Alternator PWM control output Alternator
41 -  
42 Sensor power (+5V) Throttle Position Sensor (TPS) 1, 2 [ETC Module]
43 -  
44 -  
45 -  
46 -  
47 -  
48 -  
49 -  
50 -  
51 -  
52 -  
53 -  
54 VCMA Feedback ground Variable Charge Motion Actuator (VCMA)
55 -  
56 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
57 -  
58 -  
59 -  
60 -  
61 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
62 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
63 Sensor power (+5V) Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
Variable Charge Motion Actuator (VCMA)
65 -  
66 -  
67 -  
68 -  
69 -  
70 -  
71 -  
72 -  
73 -  
74 Sensor ground Crankshaft Position Sensor (CKPS)
75 -  
76 VCMA Feedback signal input Variable Charge Motion Actuator (VCMA)
77 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
78 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Intake]
79 -  
80 -  
81 -  
82 -  
83 VG (Virtual Ground) Heated Oxygen Sensor [Bank 1/Sensor 1]
84 VRC (Current Adjust) Heated Oxygen Sensor [Bank 1/Sensor 1]
85 -  
86 -  
87 -  
88 -  
89 -  
90 -  
91 -  
92 -  
93 -  
94 -  
95 Crankshaft Position Sensor (CKPS) signal input Crankshaft Position Sensor (CKPS)
96 -  
97 -  
98 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Camshaft Position Sensor (CMPS) [Bank 1/Intake]
99 Sensor ground Knock Sensor (KS)
100 Knock Sensor (KS) signal input Knock Sensor (KS)
101 Intake Air Temperature Sensor (IATS) signal input Intake Air Temperature Sensor (IATS)
102 -  
103 -  
104 VN (NERNST Cell Voltage) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
105 VIP (Current Pump) Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [B] 

Pin No. Description Connected to
1 Power ground Chassis Ground
2 Power ground Chassis Ground
3 Battery power (B+) Main Relay
4 Power ground Chassis Ground
5 Battery power (B+) Main Relay
6 Battery power (B+) Main Relay
7 Wheel speed sensor signal input (+) Wheel speed sensor [Non-ESC]
8 FLEX-RAY (High) Other control module, Data Link Connector (DLC)
9 -  
10 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
11 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
12 -  
13 -  
14 Sensor power (+5V) A/C Pressure Transducer (APT)
Fuel Tank Pressure Sensor (FTPS)
15 -  
16 Sensor power (+5V) Accelerator Position Sensor (APS) 2
17 Sensor power (+5V) Accelerator Position Sensor (APS) 1
18 Main Relay control output Main Relay
19 Fuel Pump Relay control output Fuel Pump Relay
20 -  
21 -  
22 Injector (Cylinder #2) control output Injector (Cylinder #3)
23 Injector (Cylinder #3) control output Injector (Cylinder #3)
24 Wheel speed sensor signal input (-) Wheel speed sensor [Non-ESC]
25 FLEX-RAY (Low) Other control module, Data Link Connector (DLC)
26 Electrical signal input [Blower Max. Switch] Heater & A/C Control module
27 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
28 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
29 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
30 Fuel Tank Pressure Sensor signal input Fuel Tank Pressure Sensor (FTPS)
31 -  
32 -  
33 -  
34 Start Motor relay control output Start Motor relay
35 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
36 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #1 control output CVVT Oil Control Valve (OCV) [Bank 1/Intake] #1
37 -  
38 A/C Relay control output A/C Relay
39 Injector (Cylinder #4) control output Injector (Cylinder #3)
40 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2) [NON-Immobilizer type]
Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3) [Immobilizer type]
41 Battery power (B+) Ignition Switch
42 -  
43 -  
44 -  
45 Sensor ground Accelerator Position Sensor (APS) 1
46 Sensor ground Accelerator Position Sensor (APS) 2
47 Sensor ground Fuel Tank Pressure Sensor (FTPS)
48 -  
49 -  
50 Sensor ground A/C Pressure Transducer (APT)
51 -  
52 -  
53 -  
54 Canister Close Valve (CCV) control output Canister Close Valve (CCV)
55 CVVT Oil Control (OCV) Valve [Bank 1/Intake] #2 control output CVVT Oil Control Valve (OCV) [Bank 1/Intake] #2
56 Injector (Cylinder #1) control output Injector (Cylinder #1)
57 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1) [Immobilizer type]
Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4) [NON-Immobilizer type]
58 -  
59 -  
60 C-CAN [Low] Other control module, Data Link Connector (DLC)
61 Fuel Tank Level Sensor signal input Fuel Tank Level Sensor (FLS)
62 -  
63 -  
64 -  
65 Brake Light Switch signal input Brake Switch
66 Start signal input Ignition Switch
67 Engine speed signal output Power Distribution Module (PDM)
68 Immobilizer communication line Immobilizer control module
69 -  
70 -  
71 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)
72 Electronic Thermo Sensor signal input Electronic Thermo Sensor
73 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
74 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2) [NON-Immobilizer type]
Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3) [Immobilizer type]
75 Memory power (B+) Engine Room Fuse & Relay Box (EMS ECU)
76 -  
77 C-CAN [High] Other control module, Data Link Connector (DLC)
78 -  
79 Vehicle speed signal input ABS/ESC Control Unit
80 Electrical load signal input [Wiper] Wiper [High] Relay
81 -  
82 -  
83 Brake Test Switch signal input Brake Switch
84 -  
85 LIN communication Battery Sensor
86 Cooling Fan Relay [Low] control output Cooling Fan Relay [Low]
87 Cooling Fan Relay [High] control output Cooling Fan Relay [High]
88 Variable Intake Solenoid (VIS) Valve control output Variable Intake Solenoid (VIS) Valve
89 -  
90 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
91 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1) [NON-Immobilizer type]
Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4) [Immobilizer type]