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Home >> Kia >> 2017 >> Optima EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L (Except HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> Connector [A]
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Connector [A]

Terminal Description Connected to
1 - -
2 - -
3 - -
4 - -
5 - -
6 - -
7 - -
8 - -
9 - -
10 - -
11 - -
12 - -
13 - -
14 - -
15 - -
16 - -
17 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
18 - -
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 - -
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 - -
57 - -
58 - -
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) 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)
103 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS)
- - Crankshaft Position Sensor (CKPS)
- - Camshaft Position Sensor (CMPS) [Bank 1/Intake]
104 Rc (Compensative Resistance) Heated Oxygen Sensor [Bank 1/Sensor 1]
105 VS+ (NERNST Cell Voltage) Heated Oxygen Sensor [Bank 1/Sensor 1]


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 - - - -
- Ignition Coil (Cylinder #4) control output Engine running Pulse Vpeak = 360 - 440V
41 - - - 125 (Idle: 333Hz)
- Ignition Coil (Cylinder #1) control output Engine running Pulse Vpeak = 360 - 440V
42 - - - 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), 25 Hz (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: 850 Hz (Idle), 3, 000 Hz (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: 7 Hz (Idle), 25 Hz (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