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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L (Except HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output signal >> Connector [A]
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Connector [A]

Pin No. Description Connected to
1 Injector (Cylinder #3) [High] control output Injector (Cylinder #3)
2 Injector (Cylinder #4) [High] control output Injector (Cylinder #4)
3 Injector (Cylinder #2) [Low] control output Injector (Cylinder #2)
4 EWGA Motor Control (+) Electric WGT Control Actuator
5 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
6 Battery Sensor ground Battery Sensor
7 -  
8 -  
9 EWGA Sensor Ground (-) Electric Waste Gate Actuator (EWGA)
10 -  
11 -  
12 -  
13 -  
14 -  
15 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
16 Injector (Cylinder #2) [High] control output Injector (Cylinder #2)
17 Injector (Cylinder #1) [High] control output Injector (Cylinder #1)
18 Injector (Cylinder #3) [Low] control output Injector (Cylinder #3)
19 EWGA Motor Control (-) Electric Waste Gate Actuator (EWGA)
20 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
21 -  
22 -  
23 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
24 Sensor ground Engine Coolant Temperature Sensor (ECTS)
25 -  
26 -  
27 Fuel pump relay control output (NON-Smart key type) Fuel pump relay
28 -  
29 A/C compressor relay control output A/C compressor relay
30 -  
31 Ignition coil (Cylinder #3) control output Ignition coil (Cylinder #3)
32 Ignition coil (Cylinder #1) control output Ignition coil (Cylinder #1)
33 Injector (Cylinder #1) [Low] control output Injector (Cylinder #1)
34 Fuel Pressure Control Valve (FPCV) [High] control output Fuel Pressure Control Valve (FPCV)
35 ETC motor [-] control output ETC motor
36 -  
37 Knock Sensor (KS) signal input Knock Sensor (KS)
38 Sensor ground Knock Sensor (KS)
39 Blower Switch Max. Signal input Heater control module
40 Brake Light switch signal input Brake switch
41 -  
42 -  
43 -  
44 -  
45 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output CVVT Oil Control Valve (OCV) [Bank 1/Intake]
46 Ignition coil (Cylinder #4) control output Ignition coil (Cylinder #4)
47 Ignition coil (Cylinder #2) control output Ignition coil (Cylinder #2)
48 Injector (Cylinder #4) [Low] control output Injector (Cylinder #4)
49 Fuel Pressure Control Valve (FPCV) [Low] control output Fuel Pressure Control Valve (FPCV)
50 ETC motor [+] control output ETC motor
51 -  
52 EWGA sensor feed back signal input Electric Waste Gate Actuator (EWGA)
53 Brake Test switch signal input Brake switch
54 -  
55 Clutch switch signal input Clutch switch
56 Electric load signal input [Defrost] Alternator
57 Alternator COM signal output Alternator
58 Engine speed signal output Cluster
59 Cooling fan relay [PWM] control output Cooling fan relay
60 -  


Pin No. Description Condition Type Level
1 Injector (Cylinder #3) [High] control output Relay ON/OFF DC voltage 71V
2 Injector (Cylinder #4) [High] control output Relay ON/OFF DC voltage 71V
3 Injector (Cylinder #2) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
4 EWGA Motor Control (+)      
5 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
6 -      
7 -      
8 -      
9 EWGA Sensor Ground (-)      
10 -      
11 -      
12 -      
13 -      
14 -      
   
15 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
16 Injector (Cylinder #2) [High] control output Relay ON/OFF DC voltage 71V
17 Injector (Cylinder #1) [High] control output Relay ON/OFF DC voltage 71V
18 Injector (Cylinder #3) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
19 EWGA Motor Control (-)      
20 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor2] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
21 -      
22 -      
23 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.270 - 4.77V
24 Sensor ground Idle DC voltage Max. 50mV
25 -      
26 -      
27 Fuel pump relay control output (NON-Smart key type) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
28 -      
29 A/C compressor relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.0V
30 -      
31 Ignition coil (Cylinder #3) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
32 Ignition coil (Cylinder #1) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
33 Injector (Cylinder #1) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
34 Fuel Pressure Control Valve (FPCV) [High] control output Relay ON/OFF DC voltage 16V
35 ETC motor [-] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
36 -      
37 Knock Sensor (KS) signal input Knocking Variable  
Normal Frequency  
38 Sensor ground Knocking Variable  
Normal Frequency  
39 Blower switch Max. signal input      
40 Brake Light switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
41 -      
42 -      
43 -      
44 -      
45 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
46 Ignition coil (Cylinder #4) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
47 Ignition coil (Cylinder #2) control output Idle Pulse 1st voltage: 370 - 430V
ON voltage: Max. 2.2V
48 Injector (Cylinder #4) [Low] control output Relay OFF DC voltage 71V
Relay ON Max. 1.0V
49 Fuel Pressure Control Valve (FPCV) [Low] control output Relay OFF DC voltage 16V
Relay ON Max. 1.0V
50 ETC motor [+] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
51 -      
52 EWGA sensor feed back signal input      
53 Brake Test switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
54 -      
55 Clutch switch signal input      
56 Electric load signal input [Defrost] ON DC voltage Battery voltage
OFF Max. 2.25V
57 Alternator COM signal output Idle Pulse High: Battery voltage
Low: Max. 0.6V
58 Engine speed signal output      
59 Cooling fan relay [PWM] control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
60 -