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Home >> Kia >> 2021 >> Rio LX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal (IVT) >> ECM Terminal Function (A/T)
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ECM Terminal Function (A/T)

Connector [A] 

Pin No Description
1 Ignition Coil (Cylinder #2) [High Energy Coil] feed back signal input
2 Ignition Coil (Cylinder #3) [High Energy Coil] feed back signal input
3 Ignition Coil (Cylinder #1) [High Energy Coil] feed back signal input
4 -
5 -
6 -
7 Fuel Tank Pressure Sensor (FTPS) ground
8 -
9 Thermal Management Module (TMM) ground
10 Engine Coolant Temperature Sensor (ECTS) #1 ground
11 Electric EGR Control Valve ground
12 Sensor ground [MAPS, IATS]
13 Engine Coolant Temperature Sensor (ECTS) #2 ground
14 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] ground
15 -
16 Throttle Position Sensor (TPS) 1, ground
17 Sensor power (+5V) (APT, Battery sensor)
18 Sensor power (+5V) (FTPS)
19 Sensor power (+5V) (MAPS, IATS, CKPS, EEGR)
20 Sensor power (+5V) (MAFS, TMM)
21 Sensor power (+5V) (CMPS [Bank 1/Intake, Exhaust])
22 Ignition Coil (Cylinder #4) [High Energy Coil] feed back signal input
23 -
24 -
25 -
26 -
27 -
28 Mass Air Flow Sensor (MAFS) ground
29 -
30 -
31 Camshaft Position Sensor (CMPS) [Bank 1/Intake] ground
32 -
33 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] VS+ (NERNST Cell Voltage)
34 -
35 Throttle Position Sensor (TPS) #2 signal input
36 Engine Coolant Temperature Sensor (ECTS) #1 signal input
37 -
38 Fuel Tank Pressure Sensor (FTPS) signal input
39 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
40 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] ground
41 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] VS-/IP- (Common ground)
42 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Rc (Compensative Resistance)
43 -
44 -
45 -
46 -
47 -
48 -
49 -
50 -
51 -
52 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
53 -
54 Crankshaft Position Sensor (CKPS) ground
55 -
56 Crankshaft Position Sensor (CKPS) signal input
57 -
58 -
59 Electric EGR Control Valve signal input
60 -
61 Knock Sensor (KS) ground
62 Knock Sensor (KS) signal input
63 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Rc/Rp (Pump Cell Voltage)
64 -
65 -
66 -
67 -
68 -
69 -
70 -
71 -
72 -
73 -
74 -
75 -
76 -
77 Throttle Position Sensor (TPS) 1 signal input
78 -
79 -
80 Ignition Coil (Cylinder #1) control output
81 -
82 -
83 Intake Air Temperature Sensor (IATS) signal input
84 -
85 -
86 -
87 -
88 -
89 -
90 Ignition Coil (Cylinder #4) control output
91 -
92 Ignition Coil (Cylinder #2) control output
93 -
94 -
95 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
96 -
97 -
98 -
99 Ignition Coil (Cylinder #3) control output
100 Thermal Management Module (TMM) signal input
101 Engine Coolant Temperature Sensor (ECTS) #2 signal input
102 -
103 Manifold Absolute Pressure Sensor (MAPS) signal input
104 -
105 Mass Air Flow Sensor (MAFS) signal input

Connector [B] 

Pin No Description
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8 -
9 -
10 -
11 -
12 A/C Pressure Transducer (APT) ground
13 Accelerator Position Sensor (APS) #1 ground
14 Accelerator Position Sensor (APS) #2 ground
15 -
16 Fuel Tank Level Sender signal input
17 Accelerator Position Sensor (APS) #1 signal input
18 -
19 -
20 Injector (Cylinder #3-2) [Low] control output
21 Sensor power (+5V) (APS) #2
22 Sensor power (+5V) (APS) #1
23 Sensor power (+5V) (ETC Motor & TPS)
24 Thermal Management Module (TMM) Motor (-)
25 ETC Motor [+] control output
26 -
27 -
28 -
29 -
30 -
31 Accelerator Position Sensor (APS) #2 signal input
32 -
33 A/C Pressure Transducer (APT) signal input
34 -
35 -
36 -
37 -
38 -
39 Injector (Cylinder #3-1) [Low] control output
40 -
41 -
42 ETC Motor [-] control output
43 -
44 -
45 P-CAN [Low]
46 -
47 LIN (Local Interconnect Network) signal input
48 Fuel Pump Relay control output [Smart key]
Canister Close Valve (CCV) signal input [NON-Smart key]
49 -
50 -
51 -
52 -
53 -
54 -
55 -
56 -
57 Injector (Cylinder #1-1) [Low] control output
58 Thermal Management Module (TMM) Motor (+)
59 Electric EGR Control Valve Motor (+)
60 -
61 C-CAN [Low]
62 P-CAN [High]
63 -
64 -
65 -
66 -
67 -
68 Injector (Cylinder #4-2) [Low] control output
69 -
70 -
71 -
72 Injector (Cylinder #1-2) [Low] control output
73 -
74 Fuel Pump Relay control output [Smart key]
Canister Close Valve (CCV) signal input [NON-Smart key]
75 -
76 Electric EGR Control Valve Motor (-)
77 -
78 C-CAN [High]
79 -
80 Variable Force Solenoid (VFS) [Bank 1/Exhaust] control output
81 Injector (Cylinder #2-2) [Low] control output
82 Purge Control Solenoid Valve (PCSV) control output
83 Injector (Cylinder #2-1) [Low] control output
84 Injector (Cylinder #4-1) [Low] control output
85 -
86 -
87 Variable Force Solenoid (VFS) [Bank 1/Intake] control output
88 -
89 Variable Intake Solenoid (VIS) Valve control output
90 -
91 -
92 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output
93 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output