LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L (Except HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Function >> Connector [A]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Connector [A]

Terminal Description Connected to
1 -  
2 -  
3 -  
4 -  
5 Electric Waste Gate Actuator (EWGA) DC Motor output (-) Electric Waste Gate Actuator (EWGA)
6 Electric Waste Gate Actuator (EWGA) DC Motor output (+) Electric Waste Gate Actuator (EWGA)
7 -  
8 -  
9 -  
10 -  
11 -  
12 -  
13 -  
14 -  
15 Electric Waste Gate Actuator (EWGA) Feedback signal Electric Waste Gate Actuator (EWGA)
16 CVVT Oil Temperature Sensor (OTS) signal input CVVT Oil Temperature Sensor (OTS)
17 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
18 Boost Pressure Sensor (BPS) signal input Boost Pressure Sensor (BPS)
19 Alternator target voltage data signal output (COM) Alternator
20 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2)
21 Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3)
22    
23 -  
24 -  
25 -  
26 -  
27 -  
28 -  
29 -  
30 -  
31 -  
32 -  
33 -  
34 -  
35 -  
36 Sensor ground Electric Waste Gate Actuator (EWGA)
37 Sensor ground Engine Coolant Temperature Sensor (ECTS)
38 Sensor ground Rail Pressure Sensor (RPS)
39 Rail Pressure Sensor (RPS) signal input Rail Pressure Sensor (RPS)
40 -  
41 Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4)
42 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1)
43 VCM motor [+] control output VCM motor
44 VCM motor [-] control output VCM motor
45 -  
46 -  
47 -  
48 -  
49 Sensor ground Crankshaft Position Sensor (CKPS)
50 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
51 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1/Intake]
52 -  
53 -  
54 Sensor ground VCM motor
55 -  
56 Sensor ground CVVT Oil Temperature Sensor (OTS)
57 -  
58 Sensor ground Manifold Absolute Pressure Sensor (MAPS) #2
59 Sensor ground Throttle Position Sensor (TPS) 1, 2
60 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
Intake Temperature Sensor (IATS)
61 Sensor Shield Knock Sensor (KS)
62 Sensor ground Knock Sensor (KS)
63 Knock Sensor (KS) signal input Knock Sensor (KS)
64 -  
65 E-CVVT motor [-] control output E-CVVT motor
66 E-CVVT motor [+] control output E-CVVT motor
67 E-CVVT Relay power E-CVVT Relay
68 -  
69 -  
70 -  
71 -  
72 -  
73 -  
74 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
75 Alternator electric load signal input [FR] Alternator
76 -  
77 Feedback signal input VCM motor
78 -  
79 -  
80 Throttle Position Sensor (TPS) 2 signal input Throttle Position Sensor (TPS) 2
81 Intake Temperature Sensor (IATS) signal input Intake Temperature Sensor (IATS)
82 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
83 Rc/Rp (Pumping Cell Voltage) Heated Oxygen Sensor [Bank 1/Sensor 1]
84 VS-/IP- (Common Ground for VS, IP) Heated Oxygen Sensor [Bank 1/Sensor 1]
85 -  
86 E-CVVT motor [-] control output E-CVVT motor
87 E-CVVT motor [+] control output E-CVVT motor
88 E-CVVT Relay power E-CVVT Relay
89 ETC motor [+] control output ETC motor
90 ETC motor [-] control output ETC motor
91 -  
92 -  
93 -  
94 -  
95 Crankshaft Position Sensor (CKPS) signal input Crankshaft Position Sensor (CKPS)
96 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Camshaft Position Sensor (CMPS) [Bank 1/Intake]
97 -  
98 -  
99 Sensor power (+5V) Electric Waste Gate Actuator (EWGA)
VCM motor
Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
100 Throttle Position Sensor (TPS) 1 signal input Throttle Position Sensor (TPS) 1
101 Sensor power (+5V) Throttle Position Sensor (TPS) 1, 2
102 Sensor power (+5V) Rail Pressure Sensor (RPS) Manifold Absolute Pressure Sensor (MAPS)#1, #2
103 Sensor power (+5V) Crankshaft Position Sensor (CKPS)
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
104 Rc (Compensated Resistance) Heated Oxygen Sensor [Bank 1/Sensor1]
105 VS + (NERNST Cell Voltage) Heated Oxygen Sensor [Bank 1/Sensor 1]